Dell Dimension E520 Service Manual

Hide thumbs Also See for Dimension E520:

Quick setup manual (2 pages)

Owner's manual (162 pages)

Reviewer's manual (26 pages)

Table Of Contents

Table of Contents

Quick Links

Summary of Contents for Dell Dimension E520

Page 1 Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Inc.; Intel, Pentium, and SpeedStep are registered trademarks of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.
Page 2: Before You Begin
Turning Off Your Computer Before Working Inside Your Computer. You have read the safety information in your Dell™ Product Information Guide. A component can be replaced by performing the removal procedure in reverse order. Recommended Tools The procedures in this document may require the following tools:...
Page 3 NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs;...
Page 4: About Your Computer
Back View of the Computer Back Panel Connectors Front View of the Computer Service Use the Service Tag to identify your computer when you access the Dell Support website or contact support. cover Use this latch to remove the cover.
Page 5: Back View Of The Computer
About Your Computer: Dell Dimension E520 Service Manual drive vents For adequate cooling, do not block any of the vents. NOTICE: Ensure that there is a minimum of two inches of space between all vents and any objects near the vents.
Page 6: Back Panel Connectors
About Your Computer: Dell Dimension E520 Service Manual 1 power Insert the power cable. connector 2 back I/O Plug USB, network, VGA monitor, and audio devices into the appropriate connectors connectors (see Back Panel Connectors). 3 card slots (4) Access connectors for installed PCI or PCI Express cards.
Page 7 About Your Computer: Dell Dimension E520 Service Manual Use the network adapter connector to attach your computer to a network or broadband device. Connect one end of a network cable to either a network jack or your network or broadband device, and then connect the other end of the network cable to the network adapter connector on your computer.
Page 8 About Your Computer: Dell Dimension E520 Service Manual 12 VGA connector Use the integrated video connector to attach your video monitor (optional). On computers with a video card, use the connector on the card. Back to Contents Page file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM]...
Page 9: Technical Overview
Technical Overview: Dell Dimension E520 Service Manual Back to Contents Page Technical Overview Dell™ Dimension™ E520 Service Manual Inside View of Your Computer System Board Components Power Supply DC Connector Pin Assignments Inside View of Your Computer 1 power supply...
Page 10: Power Supply Dc Connector Pin Assignments
Technical Overview: Dell Dimension E520 Service Manual CPU fan connector processor and heat sink connector processor power connector memory module battery socket (BATTERY) SATA Connectors connectors SATA0 and SATA1 front panel I/O main power connector SATA connectors connector SATA4 and SATA5...
Page 11: Dc Power Connector P1
Technical Overview: Dell Dimension E520 Service Manual DC Power Connector P1 Pin Number Signal Name Color Wire Gauge +3.3 VDC Orange 18-AWG +3.3 VDC Orange 18-AWG Black 18-AWG +5 VDC 18-AWG Black 18-AWG +5 VDC 18-AWG Black 18-AWG Gray 18-AWG...
Page 12: Dc Power Connector P2
Technical Overview: Dell Dimension E520 Service Manual +12 VB DC White 18-AWG +12VB DC White 18-AWG +3.3 VDC Orange 18-AWG +3.3 VDC Orange 18-AWG -12 VDC Blue 18-AWG Black 18-AWG PS-ON Green 18-AWG Black 18-AWG Black 18-AWG Black 18-AWG 18-AWG...
Page 13: Dc Power Connector P7
Technical Overview: Dell Dimension E520 Service Manual Black +12 VB DC White DC Power Connector P7 Pin Number Signal Name 18-AWG Wire +5 VDC Black Black +12 A VDC Yellow DC Power Connector P10 Pin Number Signal Name 18-AWG Wire...
Page 14: Specifications
Specifications: Dell Dimension E520 Service Manual Back to Contents Page Specifications Dell™ Dimension™ E520 Service Manual Processor Processor type Intel® Pentium® 4 Intel® Pentium® D Intel® Core™ 2 Duo NOTE: Not all Pentium 4 processors support Hyper-Threading technology. Level 1 (L1) cache...
Page 15 Specifications: Dell Dimension E520 Service Manual BIOS chip (NVRAM) 4 MB integrated network interface capable of 10/100 communication System clock 533-MHz, 800-MHz, or 1066-MHz data rate Video Type integrated Intel® Graphics Media Accelerator X3000 (Intel® GMA X3000) PCI Express Audio...
Page 16 Specifications: Dell Dimension E520 Service Manual Internally accessible: two bays for 1-inch high serial ATA hard drives Connectors External connectors: Video 15-hole connector Network adapter RJ-45 connector two front-panel and six back-panel USB 2.0-compliant connectors Audio six connectors for 7.1 support...
Page 17 Specifications: Dell Dimension E520 Service Manual Maximum heat dissipation 1040 BTU/hr Voltage (see the safety instructions Manually selectable: 90 to 135 V and 180 located in the Product Information to 265 V at 50/60 Hz Guide for important voltage setting...
Page 18: Advanced Troubleshooting
Advanced Troubleshooting: Dell Dimension E520 Service Manual Back to Contents Page Advanced Troubleshooting Dell™ Dimension™ E520 Service Manual Power Lights Diagnostic Lights Beep Codes System Messages Dell Diagnostics Drivers Resolving Software and Hardware Incompatibilities Power Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 19: Diagnostic Lights
Suggested Resolution The computer is in a Plug the computer into a working electrical outlet (see Power Lights). If the problem persists, contact Dell (see "Contacting Dell" in your normal "off" condition or a possible pre-BIOS Owner's Manual). failure has occurred.
Page 20: Beep Codes
1-3-1 through 2-4-4 Memory not being properly identified or used 4-3-1 Memory failure above address 0FFFFh If you experience any of the following non-memory related beep code errors, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. Code...
Page 21: System Messages
Advanced Troubleshooting: Dell Dimension E520 Service Manual 3-1-1 Slave DMA register failure 3-1-2 Master DMA register failure 3-1-3 Master interrupt mask register failure 3-1-4 Slave interrupt mask register failure 3-2-2 Interrupt vector loading failure 3-2-4 Keyboard Controller Test failure 3-3-1 NVRAM power loss...
Page 22: Starting The Dell Diagnostics
Advanced Troubleshooting: Dell Dimension E520 Service Manual information in the system System Setup), verify the system configuration, setup program is incorrect and then restart the computer. CMOS or the battery charge may Checksum Failure be low. CMOS System Options Not...
Page 23: Dell Diagnostics Main Menu
The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in system setup. 4. At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).
Page 24: What Is A Driver
Advanced Troubleshooting: Dell Dimension E520 Service Manual (Custom The Dell Diagnostics obtains configuration information for all devices from system setup, memory, and Test various internal tests, and it displays the information in the device list in the left pane of the screen.
Page 25: Using Windows Xp Device Driver Rollback
Advanced Troubleshooting: Dell Dimension E520 Service Manual NOTICE: The Dell Support website at support.dell.com provides approved drivers for your Dell™ computer. If you install drivers obtained from other sources, your computer may not function properly. Using Windows XP Device Driver Rollback If a problem occurs on your computer after you install or update a driver, use Windows XP Device Driver Rollback to replace the driver with the previously installed version.
Page 26 Advanced Troubleshooting: Dell Dimension E520 Service Manual If a device is not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter to resolve the incompatibility. To resolve incompatibilities using the Hardware Troubleshooter: 1.
Page 27: Entering System Setup
Entering System Setup 1. Turn on (or restart) your computer. 2. When the DELL logo appears, press <F2> immediately. NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release <F2>...
Page 28: System Setup Options
System Setup: Dell Dimension E520 Service Manual to highlight an option. Press <Enter> to make that selection active. Options List — This field appears on the left side of the system setup window. The field is a scrollable list containing features that define the configuration of your computer, including installed hardware, power conservation, and security features.
Page 29 System Setup: Dell Dimension E520 Service Manual Identifies and defines the SATA controller settings for RAID. You can set the SATA controller to RAID SATA Autodetect/ATA or RAID On. Operation Onboard Devices You can set the NIC to On (default), Off, or On w/PXE. When the On w/PXE setting is active (available only for the future boot process), the computer prompts you to press <Ctrl><Alt><b>.
Page 30: Boot Sequence
System Setup: Dell Dimension E520 Service Manual Power Management Recovery Determines what happens when AC power is restored to the computer. Sets the computer to automatically turn on. Choices are every day or every Monday through Friday. Auto The default setting is Off.
Page 31: Changing Boot Sequence For The Current Boot
Front View of the Computer). 2. Turn on (or restart) your computer. 3. When the DELL logo appears, press <F12> immediately. NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release <F12>...
Page 32: Clearing Forgotten Passwords
System Setup: Dell Dimension E520 Service Manual NOTE: Write down your current boot sequence in case you want to restore it. 3. Press the up- and down-arrow keys to move through the list of devices. 4. Press the spacebar to enable or disable a device. Enabled devices have a number assigned to them; disabled devices have no number assigned.
Page 33: Clearing Cmos Settings
The BIOS may require flashing when an update is available or when replacing the system board. 1. Turn on the computer. 2. Locate the BIOS update file for your computer at support.dell.com. 3. Click Download Now to download the file.
Page 34 System Setup: Dell Dimension E520 Service Manual The file downloads to your desktop. 7. Click Close when the Download Complete window appears. The file icon appears on your desktop and is titled the same as the download BIOS update file.
Page 35: Removing And Installing Parts
Turning Off Your Computer Before Working Inside Your Computer. You have read the safety information in your Dell™ Product Information Guide. A component can be installed by performing the removal procedure in reverse order. You have the tools listed in Recommended Tools.
Page 36: Inside View Of Your Computer
Removing and Installing Parts: Dell Dimension E520 Service Manual cover latch release computer cover back of computer bottom hinges 4. Locate the three hinge tabs on the bottom edge of the computer. 5. Grip the sides of the computer cover and pivot the cover up, using the bottom hinges as leverage points.
Page 37: System Board Components
Removing and Installing Parts: Dell Dimension E520 Service Manual floppy drive CD or DVD drive power supply system board processor shroud and heat sink processor fan hard drive System Board Components file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM]...
Page 38 Removing and Installing Parts: Dell Dimension E520 Service Manual processor fan connector processor connector (CPU) power connector (CPUFAN) (POWER12V) memory module memory module connectors battery socket connectors (2,4) (1,3) (BATTERY) SATA connector (SATA1) SATA connector (SATA0) front-panel connector (FRNTPANEL) 10 power connector (POWER)
Page 39: Ddr2 Memory Overview
Removing and Installing Parts: Dell Dimension E520 Service Manual Memory You can increase your computer memory by installing memory modules on the system board. Your computer supports DDR2 memory. For additional information on the type of memory supported by your computer, see Memory.
Page 40: Addressing Memory With 4-Gb Configurations
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly.
Page 41: Removing Memory
Removing and Installing Parts: Dell Dimension E520 Service Manual cutouts (2) memory module notch crossbar NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module.
Page 42: Installing A Pci Card
You can do so by touching an unpainted metal surface on the computer chassis. Your Dell™ computer provides the following slots for PCI and PCI Express cards: Two PCI card slots...
Page 43 Removing and Installing Parts: Dell Dimension E520 Service Manual release tab card retention door 3. Gently push the release tab on the card retention door from the inside to pivot the door open. The door is hinged and will remain in the open position.
Page 44 Removing and Installing Parts: Dell Dimension E520 Service Manual alignment bar fully seated card not fully seated card alignment guide bracket within slot bracket caught outside of slot 8. Before you close the card retention door, ensure that: The tops of all cards and filler brackets are flush with the alignment bar.
Page 45: Removing A Pci Card
Removing and Installing Parts: Dell Dimension E520 Service Manual NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment. 10. On a new card, connect any cables that are part of the installation. See the documentation for the card for information about the card's cable connections.
Page 46: Installing A Pci Express Card
Removing and Installing Parts: Dell Dimension E520 Service Manual 8. Remove any drivers required for the card as described in the card documentation. 9. If you removed a sound card: Setup), select Audio Controller, and then change the setting to On.
Page 47 Removing and Installing Parts: Dell Dimension E520 Service Manual 4. If your computer includes a card retention mechanism to secure the x16 card in place from the top: a. Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from the two tab slots holding it in place.
Page 48 Removing and Installing Parts: Dell Dimension E520 Service Manual alignment bar fully seated card not fully seated card alignment guide bracket within slot bracket caught outside of slot 10. Ensure that: The tops of all cards and filler brackets are flush with the alignment bar.
Page 49: Removing A Pci Express Card
Removing and Installing Parts: Dell Dimension E520 Service Manual 13. Reconnect the computer and devices to electrical outlets, and then turn them on. 14. If you installed a sound card: Setup), select Audio Controller, and then change the setting to Off.
Page 50: Removing The Drive Panel
Removing and Installing Parts: Dell Dimension E520 Service Manual a. Enter system setup (see System Setup), select Integrated NIC, and then change the setting to On. b. Connect the network cable to the integrated connector on the back panel of the computer.
Page 51: Removing The Drive-Panel Insert
Removing and Installing Parts: Dell Dimension E520 Service Manual 5. Set the drive panel aside. Removing the Drive-Panel Insert drive panel drive-panel insert tab drive-panel insert 1. Press the drive-panel insert tab towards the center of the drive-panel insert to disengage the insert from the drive panel.
Page 52: Installing The Drive Panel
Removing and Installing Parts: Dell Dimension E520 Service Manual Installing the Drive Panel 1. Follow the procedures in Before You Begin. sliding plate lever sliding plate drive panel 2. Align the drive panel tabs with the side door hinges. 3. Rotate the drive panel toward the computer until it snaps into place on the front panel.
Page 53: Connecting Drive Cables
Removing and Installing Parts: Dell Dimension E520 Service Manual 1 CD/DVD 2 FlexBay for optional floppy drive or optional Media Card 3 hard drive Reader drive Connect serial ATA hard drives to connectors labeled "SATA0" or "SATA1" on the system board.
Page 54: Removing A Hard Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual the board or card. interface cable interface connector Hard Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Page 55: Installing A Hard Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual serial ATA data cable power cable 4. Press in on the blue tabs on each side of the drive and slide the drive up and out of the computer. tabs (2) hard drive 5.
Page 56 Removing and Installing Parts: Dell Dimension E520 Service Manual NOTE: If your replacement hard drive does not have the hard drive bracket attached, remove the bracket from the old drive by unsnapping it from the drive. Snap the bracket onto the new drive.
Page 57: Adding A Second Hard Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual SATA 0 through 5, set the SATA ports to the correct configuration. See the documentation that came with the drive for instructions on installing any software required for drive operation. Adding a Second Hard Drive...
Page 58: Removing A Floppy Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual and under SATA 0 through 5, set the SATA port to "ON" for the hard drive you just installed to enable the drive. See the documentation that came with the drive for instructions on installing any software required for drive operation.
Page 59: Installing A Floppy Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual drive release latch sliding plate floppy drive 7. If you are not replacing the drive, reinstall the drive panel insert (see Installing the Drive-Panel Insert). 8. If you are not replacing the drive, be sure to reflect these changes in system setup. When you restart your computer,...
Page 60 Removing and Installing Parts: Dell Dimension E520 Service Manual floppy drive shoulder screws (4) 5. Gently slide the drive into place until you feel a click or feel the drive securely installed. 6. Attach the power and data cables to the floppy drive.
Page 61: Removing A Media Card Reader
Removing and Installing Parts: Dell Dimension E520 Service Manual 11. Connect your computer and devices to their electrical outlets, and then turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.
Page 62: Installing A Media Card Reader
Removing and Installing Parts: Dell Dimension E520 Service Manual drive release latch sliding plate Media Card Reader 5. Pull the sliding plate to the right, then slide the drive out the front of the computer. 6. Replace the drive panel insert, as needed (see Installing the Drive-Panel Insert).
Page 63 Removing and Installing Parts: Dell Dimension E520 Service Manual Reader. Media Card Reader screws (4) 7. Gently slide the Media Card Reader into place until you feel a click or feel the drive securely installed. Ensure that the Media Card Reader is installed before the FlexBay cable is connected.
Page 64: Removing A Cd/Dvd Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual CD/DVD Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Page 65: Installing A Cd/Dvd Drive
Removing and Installing Parts: Dell Dimension E520 Service Manual drive release latch sliding plate CD/DVD drive Installing a CD/DVD Drive 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Computer Cover). 3. If you are installing a new drive, unpack the drive and prepare it for installation.
Page 66 Removing and Installing Parts: Dell Dimension E520 Service Manual CD/DVD drive screws (3) 6. Connect the power cable to the drive. 7. Connect the CD/DVD data cable to the drive and to the SATA4 connector on the system board (see System Board Components).
Page 67: Replacing The Battery
Removing and Installing Parts: Dell Dimension E520 Service Manual 9. Replace the drive panel (see Installing the Drive Panel). 10. Replace the computer cover (see Replacing the Computer Cover). NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
Page 68: Removing The Power Supply
Removing and Installing Parts: Dell Dimension E520 Service Manual battery release lever battery (positive side) 7. Replace the computer cover (see Replacing the Computer Cover). NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
Page 69: Installing The Power Supply
Removing and Installing Parts: Dell Dimension E520 Service Manual release tab power supply screws (4) AC power connector Installing the Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 70: Removing The Processor
Removing and Installing Parts: Dell Dimension E520 Service Manual NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer.
Page 71 (2) NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink when you install your new processor.
Page 72: Installing The Processor
Removing and Installing Parts: Dell Dimension E520 Service Manual Leave the release lever extended in the release position so that the socket is ready for the new processor. Installing the Processor NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
Page 73 If you are not installing a processor upgrade kit from Dell, reuse the original heat sink assembly when you replace the processor. If you installed a processor replacement kit from Dell, return the original heat sink assembly and processor to Dell in the same package in which your replacement kit was sent.
Page 74: I/O-Panel Components
Removing and Installing Parts: Dell Dimension E520 Service Manual operation. Be sure that they have had sufficient time to cool before you touch them. I/O-Panel Components 1 USB port 2 diagnostic, hard drive activity, and network 3 headphone lights connector...
Page 75: Installing The I/O Panel
Removing and Installing Parts: Dell Dimension E520 Service Manual mounting screw I/O panel Installing the I/O Panel Follow the removal procedure (Removing the I/O Panel) in reverse order. If the old I/O panel has a jumper block, move it to the new I/O panel, unless the new one comes with a jumper block.
Page 76 Removing and Installing Parts: Dell Dimension E520 Service Manual a. Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from the two tab slots holding it in place. b. Set the retention mechanism aside.
Page 77: Installing The Processor Fan
Removing and Installing Parts: Dell Dimension E520 Service Manual 9. Ensure that all cables have been removed from the routing clips on the top of the system fan assembly. fan release lever fan release lever tab processor fan 10. The fan has two release levers. One on the side facing the hard disk and a smaller one on the opposite side next to the bottom cover.
Page 78: Installing The System Board
Removing and Installing Parts: Dell Dimension E520 Service Manual NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
Page 79: Replacing The Computer Cover
Removing and Installing Parts: Dell Dimension E520 Service Manual 6. Reconnect all cables to their connectors at the back of the computer. 7. Replace the computer cover (see Replacing the Computer Cover). NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.

Dell Dimension E520 Service Manual

Quick Links

Related Manuals for Dell Dimension E520

Summary of Contents for Dell Dimension E520

Table of Contents