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Acer Aspire 4252/4552/4552G Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN...
Conventions The following conventions are used in this manual: SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT NOTE: This symbol where placed in the Service Guide designates a component that should be recycled according to the local regulations. Denotes actual messages that appear on screen.
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DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
• Up to 4 GB of DDR3 system memory, upgradable to 8 GB using two soDIMM modules Display • 14" HD 1366 x 768 pixel resolution, high-brightness (200-nit) Acer CineCrystal™ LED-backlit TFT • Mercury free, environment friendly • 16:9 aspect ratio...
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• Secure Digital™ (SD) Card and MultiMediaCard™ (MMC) Webcam • Acer Video Conference, featuring: • Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution ™ HD 5470 with up to 3579 MB of HyperMemory ® ™ 3.1, OpenCL ™...
Input and control • Keyboard • 86-/87-/91-key Acer FineTip keyboard with international language support • Touchpad • Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip • Media keys • Media control keys (printed on keyboard): play/pause, stop, previous, next, volume up,...
Your Acer Notebook tour Top View Icon Acer Crystal Eye webcam Display screen Power button Keyboard Touchpad Click buttons (left, and right) Microphone Chapter 1 Item Web camera for video communication. (only for certain models) Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model).
Icon Power indicator Battery indicator HDD indicator Communication indicator Palmrest Speaker Closed Front View Icon Rear view Icon Item Indicates the computer's power status. Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2.
Left View Icon Right View Icon Chapter 1 Item Kensington lock slot Connects to a Kensington-compatible computer security lock. Note: Wrap the computer security lock cable around an immovable object such as a table or handle of a locked drawer. Insert the lock into the notch and turn the key to secure the lock.
Icon Base View Icon Item Emergency eject Ejects the optical drive tray when the hole computer is turned off. Note: Insert a paper clip to the emergency eject hole to eject the optical drive tray when the computer is off. Item Battery bay Houses the computer's battery pack.
Indicators The computer has several easy-to-read status indicators. Icon Power Battery Communication indicator Chapter 1 Function Indicates the computer's power status. Indicates the computer's battery status. NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows green when in AC mode.
Touchpad Basics The following items show you how to use the Touchpad: • Move your finger across the Touchpad (1) to move the cursor. • Press the left (2) and right (3) buttons located beneath the Touchpad to perform selection and execution functions.
Using the Keyboard The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function and special keys. Lock Keys and embedded numeric keypad The keyboard has two lock keys which you can toggle on and off. Lock key Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase.
Windows Keys The keyboard has two keys that perform Windows-specific functions. Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: : Open or close the Start menu <...
Hot Keys The computer employs hotkeys or key combinations to access most of the computer’s controls like screen brightness, volume output and the BIOS utility. To activate hot keys, press and hold the <Fn> key before pressing the other key in the hotkey combination. Hotkey Icon <Fn>...
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North Bridge Chipset Item Chipset Package Features Southbridge Chipset Item Chipset SB820M Package SB820M 23 mm x 23 mm x 0.8 mm Pitch 605-FCBGA Features • • • • • • • • • • • • • • • •...
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CPU Fan True Value Table (CPU) Fan On (Celsius) Throttling 50%: On= 95°C; OFF=90°C OS shut down at 105°C; H/W shut down at 105°C CPU Fan True Value Table (GPU) Fan On (Celsius) Throttling 50%: On= 85°C; OFF=80°C OS shut down at 90°C; H/W shut down at 90°C System Memory Item Memory controller...
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• Suspend to RAM (S3)/Disk (S4) • Various hot-keys for system control • Support SMBIOS 2.3, PCI2.2. • Refer to Acer BIOS specification. • DMI utility for BIOS serial number configurable/asset tag • Support PXE • Support Y2K solution •...
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Memory Combinations Slot 1 1024MB 1024MB 1024MB 1024MB 2048MB 2048MB 2048MB 2048MB 2048MB 4096MB Wireless Module 802.11b/g/Draft-N Item Manufacturer Foxconn Model 43225 Supported Standards IEEE 802.11b/g/n LAN Interface Item Part Name Package Features Interface 3G Module (Not available with this model) Item Manufacturer Model...
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Bluetooth Interface Item Chipset Radio Technology Operating Frequency Channel Numbers Transmitter Output Power Receiver Sensitivity Maximum Receiver Signal Operating Voltage Interface Protocol Connector type Hard Disk Drive Interface Item Capacity (GB) Seagate ST9160314AS, Vendor & Model Name HGST HTS545016B9A300, Toshiba MK1665GSX, WD WD1600BEVT-22A23T0 Bytes per sector...
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Hard Disk Drive Interface (continued) Item Capacity (GB) Seagate ST9320310AS Vendor & Model Name HGST HTS545032B9A300 Toshiba MK3265GSX WD WD3200BPVT-22ZEST0 Bytes per sector Data heads Drive Format Disks Spindle speed (RPM) Performance Specifications Buffer size Interface Max. Media Transfer Rate (Mbytes/sec max.) Max.
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USB Port Item Chipset USB compliance level OHCI/EHCI Number of USB port(s) Location Serial port function control Audio Subsystem Item Audio Controller Audio on board or optional Mono or Stereo Resolution Audio Port Compatibility Sampling rate External Internal speaker/ quantity Video Interface Item Chipset...
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HDMI Port Item Compliance level Thoroughput Number of HDMI port(s) Location PCMCIA Port (Not available in this model) Item PCMCIA controller Supports card type Number of slots Access location Supports ZV (Zoomed Video) port Supports 32-bit CardBus IO Ports Item IO Support Keyboard Controller Item...
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Super-Multi Drive Module Item Vendor & model HLDS GT32N name Performance With CD Diskette Specification Transfer rate (MB/ Sustained: sec) 3.6 MB/s (24x) max. Buffer Memory 1 MB Interface SATA Applicable disc 4.7GB (Single Layer) 8.5GB (Dual formats Layer) DVD-R: 3.95GB (Ver. 1.0: read only) 4.7GB (Ver.
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Super-Multi Drive Module (continued) Item Vendor & model PLDS DS8A4SH name Performance With CD Diskette Specification Transfer rate (MB/ Sustained: sec) - CD-ROM inside 1.45 MB/s (min) - CD-ROM outside 3.5 MB/s (min) Buffer Memory 2 MB Interface SATA Applicable disc DVD-ROM, DVD-Video, DVD-Audio, formats DVD-RW...
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Super-Multi Drive Module (continued) Item Vendor & model name Performance Specification Transfer rate (MB/sec) Buffer Memory Interface Applicable disc formats Loading mechanism Input Voltage RTC Battery Item Part name Pack capacity Normal voltage Chapter 1 Specification Toshiba TSL633F With CD Diskette Sustained: - CD-ROM/R Read (Mode1) Max 3.6 MB/sec...
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Main Battery Item Vendor Simplo Simplo Part AS10D71 AS10D73 name Battery Type Pack capacity Normal 11.1V voltage Charge voltage Fast charge current Not available in this model LCD Inverter Item Vendor & model name Brightness conditions Input voltage (v) Input current (mA) Output voltage (V, RMS) Output current (mA, RMS) Output voltage frequency (KHz)
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Item Vendor/model name Screen Diagonal (mm) Display Area (mm) Display resolution (pixels) Pixel Pitch Display Mode Typical White Luminance (cd/m ) (also called Brightness) Contrast Ratio (typical) Response Time (Optical Rise Time/Fall Time) msec Weight Physical Size (mm) Electrical Interface Support Color Viewing Angle (up/down/ right/left)
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Card Reader Item Chipset Features System LED Indicator Item Drive Activity Primary Battery charging state AC Adapter Item Input rating Maximum input AC current Inrush current Efficiency Trusted Platform Module (TPM) (Not available with this model) Item Version Hardware controller System Power Management Item Initial...
System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/ Output System). Your computer is already properly configured and optimized, and you do not need to run this utility. However, if you encounter configuration problems, you may need to run Setup.
Information The Information screen displays a summary of your computer hardware information. Information Main C P U Ty p e : C P U S p e e d : I D E 0 M o d e l N a m e : I D E 0 S e r i a l N u m b e r : ATA P I M o d e l N a m e : S y s t e m B I O S Ve r s i o n :...
Main The Main screen allows the user to set the system time and date as well as enable and disable boot option and recovery. P h o e n i x S e c u r e C o r e ( t m ) S e t u p U t i l i t y Information Main S y s t e m T i m e :...
Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. Information Main S u p e r v i s o r P a s s w o r d I s : S u p e r v i s o r P a s s w o r d I s : U s e r P a s s w o r d I s : U s e r P a s s w o r d I s : H D D P a s s w o r d I s :...
Setting a Password Follow these steps as you set the user or the supervisor password: Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Supervisor Password box appears: C o n f i r m N e w P a s s w o r d Type a password in the “Enter New Password”...
Changing a Password Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Supervisor Password box appears. E n t e r C u r r e n t P a s s w o r d C o n f i r m N e w P a s s w o r d Type the current password in the Enter Current Password field and press Enter.
Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the USB diskette drives, the onboard hard disk drive and the DVD drive in the module bay. Information Main Security B o o t p r i o r i t y o r d e r : B o o t p r i o r i t y o r d e r :...
Exit The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility. Security Information Main E x i t S a v i n g C h a n g e s E x i t S a v i n g C h a n g e s E x i t D i s c a r d i n g C h a n g e s E x i t D i s c a r d i n g C h a n g e s L o a d S e t u p D e f a u l t s...
BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. • Chapter 2...
BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. • DOS Flash Utility Perform the following steps to use the DOS Flash Utility: Copy ZQ5v0.08.exe to a USB stick.
Remove HDD/BIOS Password Utilities This section provides you with details about removing HDD/BIOS password: Remove HDD Password: If you key in the wrong HDD password three times, an error is generated. To reset the HDD password, perform the following steps: On another computer, run HDD_PW.exe.
Removing BIOS Passwords: If you key in the wrong Supervisor Password three times, System Disabled displays on the screen as below. To reset the BIOS password, run BIOS_PW.EXE on a second machine as follows: 1. At a command prompt, type bios_pw 14452 0. 2.
Cleaning BIOS Passwords To clear the password, perform the following steps: From a DOS prompt, Execute clnpwd.exe Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether the function is successful or not. Chapter 2...
Miscellaneous Utilities Using Boot Sequence Selector Boot Sequence Selector allows the boot order to be changes without accessing the BIOS. To use Boot Sequence Selector, perform the following steps: Enter into DOS. Execute BS.exe to display the usage screen. Select the desired boot sequence by entering the corresponding sequence, for example, enter BS2 to change the boot sequence to HDD|CD ROM|LAN|Floppy.
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Manufacturer (Type1, Offset04h): Acer Product Name (Type1, Offset05h): NS41 xxxxx Serial Number (Type1, Offset07h): 01234567890123456789 UUID String (Type1, Offset08h): xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx Asset Tag (Type3, Offset04h): Acer Asstag Example 2: Write Product Name to EEPROM Input: dmitools /wp Gateway Example 3: Write Serial Number to EEPROM...
Machine Disassembly and Replacement IMPORTANT:The outside housing and color may vary from the mass produced model. This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: •...
Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3.
Disassembly Process The disassembly process is divided into the following stages: • External module disassembly • Main unit disassembly • LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
External Modules Disassembly Process IMPORTANT:The outside housing and color may vary from the mass produced model. External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
Removing the Battery Pack 1. Turn the computer over. Slide the battery lock in the direction shown. 2. Slide and hold the battery release latch to the release position (1), then lift out the battery pack from the main unit (2). NOTE: Please detach the battery and follow local regulations for disposal.
Removing the SD Dummy Card 1. See “Removing the Battery Pack” on page 51. 2. Push the SD dummy card all the way in to eject it. 3. Pull it out from the slot. Chapter 3...
Removing the Keyboard 1. See “Removing the Battery Pack” on page 51. 2. Turn the computer over and fully open the lid. There are five (5) securing clips that must be released in order to remove the keyboard. 3. Release each clip, working from one side to the other. 4.
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5. Unlock the keyboard FPC and disconnect the cable as shown. Lift the keyboard clear of the chassis. 6. Unlock and disconnect the Touchpad FPC from the mainboard: Chapter 3...
Removing the ODD Module 1. See “Removing the Battery Pack” on page 51. 2. Remove the one (1) screw securing the ODD module in place. Step ODD Bracket M2.0*3.0 Disassembly 3. Grasp the ODD by the bezel and slide it out of the chassis. Chapter 3 Size Quantity...
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4. Remove the ODD bezel by rotating the top edge downward. 5. Remove the two screws securing the ODD bracket. Step ODD Bracket M2.0*3.0 Disassembly 6. Remove the bracket from the ODD. Size Quantity Screw Type Chapter 3...
Removing the Lower Cover 1. See “External Modules Disassembly Process” on page 50. 2. Remove the twenty two (22) securing screws from the lower cover. Step Lower Cover M2.0*6.0 (red callout) Battery Bay M2.0*3.0 (green callout) Size Quantity Screw Type Chapter 3...
3. Grasp the ODD bay and the other hand on the other edge of the lower cover. Lift the lower cover from the device. Component Overview Main components are assembled on the mainboard as illustrated in the following graphic. Item RTC battery USB board DIMM modules...
Removing the DIMM Modules 1. See “Removing the Lower Cover” on page 58. 2. Push out the release latches on both sides of the DIMM socket to release the DIMM module. 3. Remove the DIMM module. 4. Repeat steps for the second DIMM module if present. Chapter 3...
Removing the WLAN Module 1. See “Removing the Lower Cover” on page 58. 2. Disconnect the two (2) cables from the WLAN board. 3. Remove the one (1) screw. Step WLAN Board M2.0*3.0 Disassembly Chapter 3 Size Quantity Screw Type...
4. Detach and remove the WLAN board from the WLAN socket. Removing the USB Board 1. See “Removing the Lower Cover” on page 58. 2. Unlock and disconnect the USB FFC from the USB board and mainboard connectors. Chapter 3...
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3. Remove the one (1) screw from the USB board. Step USB Board M2.0*2.0 Disassembly 4. Lift the USB board upward and away from the chassis. Chapter 3 Size Quantity Screw Type...
Removing the RTC Battery 1. See “Removing the Lower Cover” on page 58. 2. Disconnect the RTC battery cable from the mainboard. 3. Lift the RTC battery away from the mainboard. NOTE: The RTC battery has been highlighted with a yellow callout in the previous image. Please detach the RTC battery and follow local regulations for disposal.
Removing the Bluetooth Module 1. See “Removing the Lower Cover” on page 58. 2. Disconnect the Bluetooth cable from the mainboard. 3. Gently pry the Bluetooth module upwards and away from the mainboard. 4. Disconnect the Bluetooth cable from the Bluetooth module. Chapter 3...
Removing the HDD Module 1. See “Removing the USB Board” on page 62. 2. Remove the one (1) screw securing the HDD module to the mainboard. Step HDD Module M2.5*3.0 Ni 3. Using the pull-tab, slide the HDD module in the direction of the arrow to disconnect the interface. Size Quantity Screw Type...
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4. Remove HDD from the bay. 5. Remove the four (4) screws from the carrier. Step HDD Carrier M2.5*3.0 Ni Disassembly 6. Remove the carrier from the HDD. Chapter 3 Size Quantity Screw Type...
Removing the LCD Module 1. See “Removing the WLAN Module” on page 61. 2. Remove the adhesive ground wire from the fan housing. 3. Remove the WLAN antennas from the cable guides. 4. Unlock and disconnect the LVDS cable. Chapter 3...
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5. Remove the four (4) screws from the left and right hinges. Step LCD Module M2.5*6.0 Disassembly 6. Tilt the upper cover upwards slightly and separate it from the LCD module. Chapter 3 Size Quantity Screw Type...
Removing the Thermal Module 1. See “Removing the LCD Module” on page 68. 2. Disconnect the fan cable as shown. 3. Loosen the six (6) captive screws (in numerical order from 1 to 6) and remove the two (2) screws from the fan module.
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4. Carefully lift up the thermal module assembly and remove it from the mainboard. IMPORTANT:Place the thermal module on a clean, dry surface when it is not installed. Chapter 3...
Removing the CPU 1. See “Removing the Thermal Module” on page 70. 2. Using a slotted screw driver, rotate the CPU locking screw 90° counter-clockwise as shown. 3. Carefully lift the CPU clear of the socket. IMPORTANT:Place the CPU on a clean, dry surface when it is not installed. Chapter 3...
Removing the Mainboard 1. See “Removing the CPU” on page 72. 2. Disconnect the speaker cable from the mainboard connector. 3. Remove the one (1) securing screw from the mainboard. Step Mainboard M2.5*5.0 Ni Disassembly Chapter 3 Size Quantity Screw Type...
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4. Lift the mainboard away the lower cover. NOTE: The mainboard has been highlighted with a yellow callout in the previous image. Please detach the mainboard and follow local regulations for disposal. Chapter 3...
Removing the LCD Bezel 1. See “Removing the LCD Module” on page 68. 2. Remove the two (2) bezel screws from the LCD module. Step LCD Bezel M2.5*2.0 Disassembly 3. Pry the bezel upwards at the top of the LCD module releasing it from the latches. Size Quantity Screw Type...
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4. Continue separating the latches along the sides of the bezel towards the hinges. 5. Release the latches at the bottom of the LCD bezel. 6. Lift the Bezel clear of the LCD module. Chapter 3...
Removing the Camera Module 1. See “Removing the LCD Bezel” on page 76. 2. Lift the camera module from the LCD cover. 3. Disconnect the cable as shown. NOTE: Take care not to damage the cable. Chapter 3...
Removing the LCD Panel 1. See “Removing the LCD Bezel” on page 76. 2. Remove the six (6) securing screws from the LCD panel. Step LCD Panel M2.0*3.0 Disassembly 3. Remove the LVDS cable from the cable guides. Chapter 3 Size Quantity Screw Type...
4. Lift the LCD panel clear of the LCD cover as shown. Remove the LCD Hinges 1. See “Removing the LCD Panel” on page 79. 2. Remove the four (4) screws, 2 on each side. Separate the hinges from the LCD panel. Step LCD Hinge M2*2.0...
Removing the LVDS Cable 1. See “Removing the LCD Panel” on page 79. 2. Detach the camera cable from the back of the LCD panel. 3. Remove the yellow tape securing the LVDS cable. 4. Starting from the top, remove the clear mylar covering and disconnect the LVDS cable from the LCD panel. Chapter 3...
Removing the WLAN Antennas 1. See “Removing the LCD Panel” on page 79. 2. Remove the black and white WLAN antennas from the cable guides. 3. Remove the black antenna cable from the LCD cover. Repeat for the white antenna. Chapter 3...
LCD Module Assembly Process Replacing the WLAN Antennas 1. Place the black antenna cable onto the LCD cover as shown. Repeat for the white antenna. 2. Place the black and white WLAN antennas into the cable guides as shown. Chapter 3...
Replacing the LVDS Cable 1. Turn the LCD panel face down on a non-abrasive, clean surface. Ensure the panel face does not get damaged. Connect the LVDS cable to the LCD panel. Place the clear mylar tape over the connector and press firmly. 2.
Replacing the LCD Hinges 1. See “Removing the LCD Panel” on page 79. 2. Replace the four (4) screws, 2 on each side to secure the hinges. Step LCD Hinge M2*2.0 Disassembly Chapter 3 Size Quantity Screw Type...
Replacing the Camera Module 1. Connect the camera cable as shown. NOTE: Take care not to damage the cable. 2. Place the camera module onto the LCD cover. Apply gentle pressure to fix the adhesive. Chapter 3...
Replacing the LCD Bezel 1. Place the bezel hinge covers over the hinges. 2. Ensure the LVDS and WLAN antenna cable bundle are exiting the left hinge as shown. 3. Apply pressure to snap the latches together. Chapter 3...
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4. Apply pressure along the bottom of the bezel to attach the latches. 5. Apply pressure along the sides of the bezel to attach the latches. 6. Apply pressure along the top of the bezel to attach the latches. Chapter 3...
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7. Replace the two (2) bezel screws. Step Size Quantity Screw Type LCD Bezel M2.5*2.0 Disassembly Chapter 3...
Main Unit Assembly Process Replacing the Mainboard 1. Place the mainboard onto the upper cover as shown. 2. Replace the one (1) screw to secure the mainboard to the upper cover. Step Mainboard M2.5*5.0 Ni Disassembly Size Quantity Screw Type Chapter 3...
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3. Connect the speaker cable to the mainboard. Chapter 3...
Replacing the CPU IMPORTANT:The CPU has a Pin1 locator (1) that must be positioned corresponding to the marker (2) on the CPU socket. 1. Place the CPU into the CPU socket as shown, taking note of the Pin1 locator. 2. Using a slotted screw driver, rotate the CPU locking screw 90° clockwise as shown to secure it in the package. Chapter 3...
Replacing the Thermal Module IMPORTANT:Apply suitable thermal pads before replacing the thermal module The following thermal materials are approved for use: • Thermal grease compound • Eapus PSX-D • Thermal pad • Denka FSL-BS B6 1. Remove all traces of thermal material from the CPU and thermal module using a lint-free cloth or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent.
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5. Connect the fan cable as shown. Chapter 3...
Replacing the LCD Module 1. Place the upper cover onto the LCD module and lower into place. Lower the hinges so they are flush with the hinge plates on the upper cover. 2. Replace the four (4) screws to secure the left and right hinges. Step LCD Module M2.5*6.0...
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3. Connect and lock the LVDS cable. 4. Place the WLAN antenna bundle into the cable guides around the fan module. Chapter 3...
5. Place the adhesive ground wire attached to the WLAN antenna cable bundle onto the fan housing. Replacing the Bluetooth Module 1. Connect the Bluetooth cable to the Bluetooth board. 2. Place the connector edge of Bluetooth board into the guides as shown and then place the other end down onto the upper cover.
3. Connect the Bluetooth cable to the mainboard connector. Replacing the HDD Module 1. Place the carrier onto the HDD. Chapter 3...
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2. Replace the four (4) screws to secure the HDD carrier. Step HDD Carrier M2.5*3.0 Ni Disassembly 3. Place HDD in the HDD bay. 4. Using the pull-tab, slide the HDD module in the direction of the arrow to connect the interface. 5.
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Step Size Quantity Screw Type HDD Module M2.5*3.0 Ni Chapter 3...
Replacing the USB Board 1. Place the USB board onto the chassis. 2. Replace one (1) screw to secure the USB board. Step USB Board M2.0*2.0 Disassembly 3. Connect and lock the USB FFC to the USB board and mainboard connectors. Size Quantity Screw Type...
Replacing the WLAN Module 1. Insert the WLAN board into the WLAN socket. 2. Replace the one (1) screw. Step WLAN Board M2.0*3.0 Disassembly Chapter 3 Size Quantity Screw Type...
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3. Connect the two (2) antenna cables to the WLAN board as shown. NOTE: Cable placement is as follows: black (Main) to connector J1, white (AUX) to connector J2. Chapter 3...
Replacing the DIMM Modules 1. Insert the DIMM module into the DIMM connector. 2. Press down to lock the DIMM module in place. 3. Repeat steps 1 and 2 for the second DIMM module if present. Chapter 3...
Replacing the Lower Cover 1. Place the lower cover onto the device. 2. Replace the twenty two (22) screws to secure the lower cover to the device. Step Lower Cover M2.0*6.0 (red callout) Battery Bay M2.0*3.0 (green callout) Size Quantity Screw Type Chapter 3...
External Module Assembly Process Replacing the ODD Module 1. Place the ODD bracket onto the ODD module and replace the two (2) screws to secure it. Step ODD Bracket M2.0*3.0 Disassembly 2. Press the bezel into the tray, bottom edge first, to secure it to the ODD module. Chapter 3 Size Quantity...
3. Push the ODD module into the ODD bay until it is flush with the casing. 4. Replace the one (1) screw to secure the module. Step ODD Bracket M2.0*3.0 Disassembly Replacing the Keyboard 1. Connect and lock the Touchpad FFC to the mainboard connector. Size Quantity Screw Type...
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2. Place the keyboard face down on the upper cover. Connect the keyboard FPC to the mainboard and secure the locking latch. 3. Turn the keyboard over and slide the front edge into the upper cover, ensuring that the four locating tabs are correctly seated.
Replacing the SD dummy card 1. Insert the SD dummy card into the slot and push until the card clicks into place and is flush with the casing. Replacing the Battery Pack 1. Insert the battery pack and press down. 2.
Troubleshooting Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Gateway products. Non-Gateway products, prototype cards, or modified options can give false errors and invalid system responses. Obtain the failing symptoms in as much detail as possible. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.
Power On Issue If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Computer Shutsdown Intermittently If the system powers off at intervals, perform the following actions one at a time to correct the problem. Check the power cable is properly connected to the computer and the electrical outlet.
No Display Issue If the Display doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: No POST or Video If the POST or video doesn’t display, perform the following actions one at a time to correct the problem. Make sure that the internal display is selected.
Abnormal Video Display If video displays abnormally, perform the following actions one at a time to correct the problem. Reboot the computer. If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and should be replaced. See “Disassembly Process” on page 49. If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD is faulty and should be replaced.
LCD Failure If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs: Built-In Keyboard Failure If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Chapter 4...
Touchpad Failure If the Touchpad doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Chapter 4...
Sound Problems If sound problems are experienced, perform the following actions one at a time to correct the problem. Reboot the computer. Navigate to Start Control Panel the Device Manager to determine that: • The device is properly installed. • There are no red Xs or yellow exclamation marks.
HDD Not Operating Correctly If the HDD does not operate correctly, perform the following actions one at a time to correct the problem. Disconnect all external devices. Run a complete virus scan using up-to-date software to ensure the computer is virus free. Run the Windows 7 Startup Repair Utility: insert the Windows 7 Operating System DVD in the ODD and restart the computer.
ODD Failure If the ODD fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs: ODD Not Operating Correctly If the ODD exhibits any of the following symptoms it may be faulty: •...
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Double-click lDE ATA/ATAPI controllers. If a device displays a down arrow, right-click on the device and click Enable. Double-click DVD/CD-ROM drives. If the device displays a down arrow, right-click on the device and click Enable. Check that there are no yellow exclamation marks against the items in lDE ATA/ATAPI controllers. If a device has an exclamation mark, right-click on the device and uninstall and reinstall the driver.
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Double-click IDE ATA/ATAPI controllers, then right-click ATA Device 0. Click Properties and select the Advanced Settings tab. Ensure that the Enable DMA box is checked and click OK. Repeat for the other ATA Devices shown if applicable. Drive Not Detected If Windows cannot detect the drive, perform the following actions one at a time to correct the problem.
Wireless Function Failure If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs: Thermal Unit Failure If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Chapter 4...
External Mouse Failure If an external Mouse fails, perform the following actions one at a time to correct the problem. Try an alternative mouse. If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. See the mouse user manual.
Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: Run the advanced diagnostic test for the system board in loop mode at least 10 times.
Post Codes These tables describe the POST codes and descriptions during the POST. Code POST Routine Description Verify Real Mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values...
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Code Beeps 2-1-2-3 Che Code Beeps 52h T 2-2-3-1 59h Initial 64h Jump 70h Displ POST Routine Description Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization ck ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional)
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Code Beeps 85h Initial Code Beeps 90h Initial 91h Initial 92h Jump 9Ah Shad A8h Erase ACh Enter B9h Prep Chapter 4 POST Routine Description ize PC-compatible PnP ISA devices Re-initialize onboard I/O ports. Configure Motheboard Configurable Devices (optional) Initialize BIOS Data Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse...
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Code Beeps BEh Cle C1h Initial C2h Initial Code Beeps D2h Unkn Code Beeps E0h Initial E1h Initial E2h Initial E7h G E8h Set E9h Initial ECh Initialize EDh Initialize F2h Initial F6h Cle POST Routine Description ar screen (optional) Check virus and backup reminders Try to boot with INT 19 ize POST Error Manager (PEM)
Clearing Password Check and BIOS Recovery This section provide you the standard operating procedures of clearing password and BIOS recovery for Acer Aspire 4252/4552/4552G. Gateway provides one Hardware Open Gap on the main board for clearing password check, and one Hotkey for enabling BIOS Recovery.
BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed.
Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
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Malaysia P321G32Mnkk AS4552- Malaysia P322G32Mncc AS4552- Malaysia P322G32Mnkk AS4552- Indonesia P341G32Mncc AS4552- Malaysia P341G32Mncc AS4552- Indonesia P341G32Mnkk Appendix A Acer Part No BOM Name S2.R6202.001 AS4552_UMA Ckk_3 S2.R780C.001 AS4552_UMA Ccc_3 LX.R7A0C.001 AS4552_UMA Crr_3 S2.R6202.002 AS4552_UMA Ckk_3 LX.R620C.001 AS4552_UMA Ckk_3 LX.R620C.002...
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P342G32Mnkk AS4552G- CHINA P342G32Mnrr AS4552G- P344G50Mnkk AS4552G- P344G75Mnkk AS4552G- P344G75Mnkk AS4552G- P542G64Mnkk AS4552G- P542G64Mnkk Appendix A Acer Country Part No Thailand LX.R7C AS4552G-N954G75Mnrr EM W7HP64EMASTH4 02.001 MC PARK_XT512Crr_3V3 2*2G/750/BT/6L2.2/ 2R/CB_bgn_1.3C_HG_ES61 Thailand LX.R7C AS4552G-N954G75Mnrr EM W7HP64EMASTH3 02.002 MC PARK_XT512Crr_3V3 2*2G/750/BT/6L2.2/ 2R/CB_bgn_1.3C_HG_ES61 Thailand LX.R7C...
Test Compatible Components This computer’s compatibility is tested and verified by Acer’s internal testing department. All of its system functions are tested under Windows Refer to the following lists for components, adapter cards, and peripherals which have passed these tests.
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This section describes online technical support services available to help you repair your Acer Systems. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website. However some information sources will require a user i.d.