Supervisor password ........24 Power management .......... 25 Screen blank state ........25 Putting the computer to sleep or shutting it down ............. 25 Lenovo Flex 14/Flex 14D/Flex 15/ Flex 15D ............27 Specifications ............. 27 Status indicators ..........29 Hotkeys ............... 31...
This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under “Safety information” on page 1 and “Important service information”...
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1.
Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations.
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Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations.
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Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation.
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Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S.
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Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.
To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://support.lenovo.com. 2. Enter the serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download.
Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. •...
Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.
General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.
4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D” on page 27. Note: Noise from the AC adapter does not always indicate a defect.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.
1. Insert the bootable Start Recovery Disc into the optical drive. 2. Start the computer. When the Lenovo logo comes up, immediately press F12; on the boot sequence menu, select the optical drive as the first boot-up device.
Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. Passwords As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the supervisor password (SVP).
Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer: • Open the charms bar, then select Settings →...
• “Removing and replacing an FRU” on page 33 • “Locations” on page 62 • “Parts list” on page 66 Specifications The following table lists the specifications of the Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D: Table 1. Specifications Feature Description...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 1. Specifications (continued) Feature Description I/O ports HDMI port × 1 USB 2.0 × 2, USB 3.0 × 1 2 in 1 slot × 1 (MMC, SD) Audio Combo audio jack × 1 Speaker ×...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Status indicators The system status indicators below show the computer status:...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 2. Status indicators Symbol Indicator status Meaning On (solid white) The computer is powered on. Blinking The computer is in sleep mode. The computer is powered off. On (solid white) The battery has more than 20% charge.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hotkeys The hotkeys are located in the function key row of the keyboard.By pressing the appropriate hotkey, you can change system settings instantly. The following describes the function of each hotkey. Table 3. Hotkeys Enables/disables airplane Mutes/unmutes the sound.
This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...
Before touching it, establish personal grounding by touching a ground point with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons. Note: The illustrations used in this section are of the Lenovo Ideapad Flex 15, unless otherwise stated.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1010 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the manual battery latch .
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 1. Removal steps of battery pack (continued) Open two rubber foot pads with a screw driver in the direction shown by arrows , then remove two screws , five screws , nine screws...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1020 Hard disk drive For access, remove this FRU: • “1010 Battery pack” on page 34 Attention: • Do not drop the hard disk drive or apply any physical shock to it.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 2. Removal steps of hard disk drive (continued) Remove the frame fixing screws Step Screw (quantity) Color Torque M2.5 × 3.0 mm, flat-head, nylok-coated Black 3.0+/-0.4 kgfcm (4) (Flex 14) M2.5 × 3.0 mm, flat-head, nylok-coated Black 3.0+/-0.3 kgfcm...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1030 DIMM For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 3. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D 1040 PCI Express Mini Card for wireless LAN/WAN and SSD card For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN/WAN and SSD...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Figure 4. Removal steps of PCI Express Mini Card for wireless LAN/WAN and SSD card (continued) Remove the card in the direction shown by arrow When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 4. Removal steps of PCI Express Mini Card for wireless LAN/WAN and SSD card (continued) Flex 15: Remove the card in the direction shown by arrow...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1050 Dummy card (Option) Figure 5. Removal steps of dummy cards Remove the dummy card in the direction shown by arrows...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D 1060 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 6. Removal steps of keyboard Remove screws Step Screw (quantity) Color Torque M2.0 × 2.5 mm, flat-head, Silver 1.85+/-0.15 kgfcm 90203947...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Figure 6. Removal steps of keyboard (continued) Lift the keyboard a little , and then detach the connector in the direction shown by arrows When installing: Make sure that the FPC connector is attached firmly.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D 1070 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Figure 7. Removal steps of system board (continued) Remove five screws and screw Step Screw (quantity) Color Torque M2.5 × 3 mm, flat-head, nylok-coated (5) Black 3.0+/-0.4 kgfcm (Flex 14) M2.0 × 5.0 mm, flat-head, nylok-coated (4) Silver 1.85+/-0.15 kgfcm...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 7. Removal steps of system board (continued) Unplug sensor board and camera connector in the direction , detach function board, volume board and touch pad connector in the direction , unplug DC- IN cable connector in the direction...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1080 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1040 PCI Express Mini Card for wireless LAN/WAN and SSD card” on page 39 •...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 8. Removal steps of fan assembly and heat sink assembly (continued) Unplug the fan connector in the direction shown by arrow Flex 15/Flex 15D: When installing: Make sure that the fan connector is attached firmly to the system board.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1090 LCD unit For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 9. Removal steps of LCD unit Remove six screws Step Screw (quantity) Color Torque M2.5 × 4 mm, flat-head, nylok- Black 3.5+/-0.3 kgfcm...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 9. Removal steps of LCD unit (continued) Detach the LCD unit from the upper case.
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1100 Speakers, base cover, function board, DC-IN board, volume board, LED board and battery transfer board For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 DIMM” on page 38 •...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 10. Speakers, base cover, function board, DC-IN board, volume board, LED board and battery transfer board (continued) Remove the DC-IN board in the direction shown by arrow When installing: Make sure that the power connector is attached firmly.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Figure 10. Speakers, base cover, function board, DC-IN board, volume board, LED board and battery transfer board (continued) When installing: When attaching the audio board to the base cover, adjust the placement of the USB and headphone jacks as shown , and make sure that both of the USB and the headphone jacks are attached to the holes on the base cover.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Figure 10. Speakers, base cover, function board, DC-IN board, volume board, LED board and battery transfer board (continued) Remove screws to lift the battery transfer board in the direction shown by arrow...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover. For labels which are not shipped with the new base cover, peel them from the replaced base cover and adhere them to the new one.
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Flex 15/Flex 15D: The following letter shows the correct location of each label. Not all labels are attached on the part you are servicing. Rating label Rating label for print Win8 label Indonesia label...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1110 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 DIMM” on page 38 • “1040 PCI Express Mini Card for wireless LAN/WAN and SSD card” on page 39 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D 1120 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 DIMM” on page 38 • “1040 PCI Express Mini Card for wireless LAN/WAN and SSD card” on page 39 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual 1130 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 DIMM” on page 38 • “1040 PCI Express Mini Card for wireless LAN/WAN and SSD card” on page 39 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D 1140 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 DIMM” on page 38 • “1040 PCI Express Mini Card for wireless LAN/WAN and SSD card” on page 39 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Bottom and Left-side view USB 3.0 port HDMI port RJ-45 port Ventilation slots AC power adapter jack Battery latch -manual Battery latch -spring loaded Battery pack Ventilation slots Speakers...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Right-side view Volume up button Volume down button Combo audio jack Memory card slot USB ports Novo button Power button...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 67 • “LCD FRUs” on page 73 • “Keyboard” on page 75 • “Miscellaneous parts” on page 79 •...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D LCD FRUs In Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D, there are following types of LCDs. • “14.0 -in. HD TFT” • “15.6 -in. HD TFT”...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Keyboard Table 7. Parts list—Keyboard Language Indian 25211139 Czechoslovakian 25211137 Bulgarian 25211138 International English 25211136 Swiss 25211135 Slovenian 25211134 Icelandic 25211133 Belgian 25211132 Four Nordic countries 25211131 Hungarian 25211130 Hebrew 25211129 Greek 25211128 Dutch...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language Arabic 25211154 German 25211153 French 25211152 Russian 25211151 Traditional Chinese 25211150 Korean 25211149 Canadian English&French 25211148 Sunrex Latin 25211147 (continued) Portuguese 25211146 Thai 25211145 Turkish...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Table 7. Parts list—Keyboard (continued) Language Indian 25211049 Bulgarian 25211048 Czechoslovakian 25211047 International English 25211046 Swiss 25211045 Slovenian 25211044 Icelandic 25211043 Belgian 25211042 Four Nordic countries 25211041 Hungarian 25211040 Hebrew 25211039 Greek 25211038 Dutch...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language Arabic 25211064 German 25211063 French 25211062 Russian 25211061 Traditional Chinese 25211060 Korean 25211059 Canadian English&French 25211058 Sunrex Latin 25211057 (continued) Portuguese 25211056 Thai 25211055 Turkish...
Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 11. Parts list—3-pin power cords Region 145000600 • LINETEK PC323+RVV300/300+LS15 1m Argentina 145000599 •...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 11. Parts list—3-pin power cords (continued) Region Brazil 145000564 • Longwell LP-46+H03VV-F+LS-18 1m Israel 145000563 • Longwell LP-41+H03VV-F+LS-18 1m 145000562 • Longwell LP-30B+SPT-2 18AWG+LS-18 1m 145000561 • Longwell LP-61L+H03VV-F+LS-18 1m...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Table 11. Parts list—3-pin power cords (continued) Region Brazil 145000527 • VOLEX CH10S3+H03VV-F+VAC5S 1m Israel 145000526 • VOLEX SI16S3+H03VV-F+VAC5S 1m 145000525 • VOLEX M2511+H03VV-F+VAC5S 1m Switzerland 145000524 • VOLEX MP232+H03VV-F+VAC5S 1m 145000605 • VOLEX MP5004+H03VV-F+VAC5S 1m...
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Lenovo Flex 14/Flex 14D/Flex 15/Flex 15D Hardware Maintenance Manual Table 12. Parts list—power cords Region CRU ID 145500000 • lux 0031+H03VV-F 0.75/3C+0011 1m Europe 145500001 • lux 0033+H03VV-F 0.75/3C+0011 1m 145500002 • lux 0014+SPT-2 60°C 18/3C+0016 1m China 145500003 •...
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Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo IdeaPad...