The product-specific section includes service, reference, and product-specific parts information. Important: This manual is intended only for trained servicers who are familiar with Lenovo IdeaPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a Lenovo IdeaPad product, make sure to read all the information under “Safety information”...
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an IdeaPad U160/U165 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
IdeaPad U160/U165 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. Make sure that you can stand safely without slipping. 2.
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.
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IdeaPad U160/U165 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 IdeaPad alterations. Use good judgment as to the safety of any non-Lenovo IdeaPad 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.
IdeaPad U160/U165 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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IdeaPad U160/U165 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. Use only the battery in the appropriate parts listing.
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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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IdeaPad U160/U165 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. Si le panneau d’affichage à...
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IdeaPad U160/U165 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.
IdeaPad U160/U165 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad 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.
System Disassembly/Reassembly videos that show the FRU removals or ® replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/. Advise customers to contact the Customer Support Center at 800-426-7378 if they need assistance in obtaining or installing any software fixes, drivers, and BIOS downloads.
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. •...
Product definition Dynamic Configure To Order (CTO) This provides the ability for a customer to configure a Lenovo solution from an eSite, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label, Product Entitlement Warehouse (PEW), eSupport, and the HMM will load these products as the 4-digit MT and 3-digit model, where model = “CTO”...
Important service information For the Remaining FRUs (the complete list of FRUs at the MT Model level) • Support can be used to view the complete list of FRUs for a machine type and model. • To view the complete list of FRUs, Enter the machine type and model (Example: 1829-CTO) under QUICK PATH.
FRU part numbers. Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo’s requirements and schedule in the EU. Products sold in 2005 and 2006 will contain some RoHS compliant FRUs.
General checkout General checkout This chapter presents the following information: • “What to do first” on page 22 • “Power system checkout” on page 23 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer.
IdeaPad U160/U165 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.
Replace the system board. • If the problem continues, go to “Lenovo IdeaPad U160/U165” on page 29. Note: Noise from the AC adapter does not always indicate a defect. 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.
IdeaPad U160/U165 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.
System.In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Rescue System and run Restore to factory default.
The recovery process might take up to 2 hours. Passwords As many as two passwords may be needed for any Lenovo IdeaPad computer: the power-on password (POP) and the supervisor password (SVP). If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.
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 mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
IdeaPad U160/U165 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. To cause the computer to enter hibernation mode, follow the steps below: •...
• “FRU replacement notices” on page 35 • “Removing and replacing an FRU” on page 39 • “Locations” on page 66 • “Parts list” on page 68 Specifications The following table lists the specifications of the Lenovo IdeaPad U160/U165 : Table 1. Specifications Feature Description Processor •...
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IdeaPad U160/U165 Hardware Maintenance Manual Table 1. Specifications (continued) Feature Description I/O port • External monitor connector • Stereo headphone jack • Microphone jack • RJ45 x 1 (on planar) • USB2.0 x 2 (on planar) • eSATA/USB combo port x 1 •...
Lenovo IdeaPad U160/U165 Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Meaning White: Caps Lock mode is enabled. You can enter all Caps lock alphabetic characters (A-Z) in uppercase without pressing the Shift key. To enable or disable Caps Lock mode, press the CapsLk key.
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IdeaPad U160/U165 Hardware Maintenance Manual Table 2. Status indicators (continued) Indicator Meaning Battery status Blinking amber: (500ms off/1s on) The remaining power of the battery is less than 5% of its capacity. Blinking amber: (100ms off/3.2s on) The battery is being charged with the remaining power between 5% and 20% of its capacity.
Lenovo IdeaPad U160/U165 FRU tests The following table shows the test for each FRU. Table 3. FRU tests Applicable test 1. Diagnostics --> CPU/Coprocessor System board 2. Diagnostics --> Systemboard LCD unit 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video Keyboard 1.
IdeaPad U160/U165 Hardware Maintenance Manual Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 4. Fn key combinations Key combination Description Fn + Esc: Turn on/off the integrated camera. Fn + F1: Enter sleep mode.
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 IdeaPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...
Before replacing the system board, save the original serial number by doing the following: 1. Install the CE Utility Diskette for Lenovo IdeaPad notebooks, and restart the computer. 2. From the main menu, select 1. Set System Identification.
When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the CE Utility Diskette for Lenovo IdeaPad notebooks, and restart the computer. 2. From the main menu, select 4. Assign UUID.
To check what ECAs have been previously applied to the machine, enable the ECA Information Read/Write function on the CE Utility Diskette for Lenovo IdeaPad notebooks. 1. Insert the CE Utility Diskette for Lenovo IdeaPad notebooks, and restart the computer. 2. From the main menu, select 6. Set ECA Information.
Lenovo IdeaPad U160/U165 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified.
IdeaPad U160/U165 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 battery release lever .
Lenovo IdeaPad U160/U165 1020 Dummy card For access, remove this FRU: • “1010 Battery pack” on page 40 Figure 2. Removal steps of dummy card Open the memory card slot cover in the direction shown by arrow . Remove the dummy card in the direction shown by arrow...
IdeaPad U160/U165 Hardware Maintenance Manual 1030 SIM card For access, remove this FRU: • “1010 Battery pack” on page 40 Figure 3. Removal steps of SIM card Push the SIM card in until you hear a click, and then pull the SIM card out in the direction shown by arrow...
Lenovo IdeaPad U160/U165 1040 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 40 Figure 4. Removal steps of keyboard Remove three screws Step Screw (quantity) Color Torque M2 × 2 mm, flat-head, nylok-coated (3) Black 1.6 kgfcm...
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IdeaPad U160/U165 Hardware Maintenance Manual Figure 4. Removal steps of keyboard (continued) Lift the keyboard a little, detach the connector in the direction shown by arrows , and then remove the keyboard When installing: Make sure that the FPC connector is attached firmly.
Lenovo IdeaPad U160/U165 1050 Base cover For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1040 Keyboard” on page 43 Figure 5. Removal steps of base cover Remove two screws and one screw Step...
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IdeaPad U160/U165 Hardware Maintenance Manual Figure 5. Removal steps of base cover (continued) Remove eight screws on the bottom. Remove the base cover in the direction shown by arrow Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylok-coated (8) White 1.6 kgfcm...
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Lenovo IdeaPad U160/U165 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
IdeaPad U160/U165 Hardware Maintenance Manual 1060 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 •...
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Lenovo IdeaPad U160/U165 Figure 6. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Remove two cards in the direction shown by arrows 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.
IdeaPad U160/U165 Hardware Maintenance Manual 1070 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
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Lenovo IdeaPad U160/U165 Figure 7. Removal steps of LCD unit (continued) Swing the LCD hinges in the direction shown by arrows Remove the LCD unit in the direction shown by arrow...
IdeaPad U160/U165 Hardware Maintenance Manual 1080 Hard disk drive (HDD) For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
Lenovo IdeaPad U160/U165 1090 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 Figure 9. Removal steps of DIMM...
IdeaPad U160/U165 Hardware Maintenance Manual 1100 Fan assembly and heat sink assembly For access, remove this FRU: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
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Lenovo IdeaPad U160/U165 Figure 10. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow Be careful not to damage the connector. When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, to the...
IdeaPad U160/U165 Hardware Maintenance Manual 1110 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 IdeaPad U160/U165 Figure 11. Removal steps of system board Detach two FPC connectors and one connector in the direction shown by arrows Remove three screws , detach the speakers connector in the direction shown by arrow When installing: Make sure that all the connectors are attached firmly.
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IdeaPad U160/U165 Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Remove the system board in the direction shown by arrow...
Lenovo IdeaPad U160/U165 1120 Speakers For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 48 •...
IdeaPad U160/U165 Hardware Maintenance Manual 1130 Bluetooth card For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
Lenovo IdeaPad U160/U165 1140 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
IdeaPad U160/U165 Hardware Maintenance Manual 1150 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
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Lenovo IdeaPad U160/U165 Figure 15. Removal steps of LCD panel, LCD cable and hinges (continued) Remove four screws , detach the integrated camera connector in the direction shown by arrow , and then remove the LCD panel in the direction...
IdeaPad U160/U165 Hardware Maintenance Manual 1160 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
Lenovo IdeaPad U160/U165 1170 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 40 • “1020 Dummy card” on page 41 • “1040 Keyboard” on page 43 • “1050 Base cover” on page 45 •...
IdeaPad U160/U165 Hardware Maintenance Manual Locations Front view Integrated camera Built-in microphone Wireless module antennas System status indicators Note: For the description of each indicator, see “Status indicators” on page 31. Power button OneKey Rescue System button Touchpad IdeaPad lighting logo...
Lenovo IdeaPad U160/U165 Right-side view Headphone jack Microphone jack Integrated wireless device switch HDMI port USB port Kensington slot RJ-45 port Bottom and Left-side view Memory card slot Fan louvers eSATA/USB combo port VGA port AC power adapter jack Battery latch - manual...
CRU. A single asterisk (*) means that the part is a Self-service CRU; two asterisks (**) means that the part is an Optional-service CRU. Lenovo IdeaPad computers contain the following types of CRUs: Self-service CRUs These CRUs are unplugged or held by no more than two screws.
Lenovo IdeaPad U160/U165 Keyboard Table 7. Parts list—Keyboard Language Bulgarian 25010563 International English 25010564 Swiss 25010565 Slovenian 25010566 Slovak 25010567 Icelandic 25010568 Belgian 25010569 Four Nordic countries 25010570 Hungarian 25010571 Hebrew 25010572 Greek 25010573 Dutch 25010574 Czech 25010575 Japanese 25010576...
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IdeaPad U160/U165 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language Brazilian 25010588 Arabic 25010589 German 25010590 French 25010591 Russian 25010592 Traditional Chinese 25010593 Korean 25010594 French&English 25010595 Chicony White (continued) (continued) Latin 25010596 Portuguese 25010597 Thai 25010598 Turkish 25010599 Spanish 25010600 Italian...
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Lenovo IdeaPad U160/U165 Table 7. Parts list—Keyboard (continued) Language U.K. English 25010634 Black (continued) English 25010635 Bulgarian 25010739 International English 25010740 Swiss 25010741 Slovenian 25010658 Slovak 25010659 Icelandic 25010660 Belgian 25010661 Four Nordic countries 25010662 Hungarian 25010663 Hebrew 25010664 Greek...
IdeaPad U160/U165 Hardware Maintenance Manual Miscellaneous parts Table 8. Parts list—Miscellaneous parts System miscellaneous parts: • ( a ) LU16 HDD BRACKET 31044111 • ( b ) LU16 LCD SCREW RUBBER 31044123 Cable miscellaneous parts: • ( c ) LU16 BLUETOOTH CABLE 31044106 Note: Italicized letters in parentheses are references to the exploded view in “Overall”...
IdeaPad U160/U165 Hardware Maintenance Manual Power cords A Lenovo IdeaPad power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region 145000602 • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m 145000600 •...
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Lenovo IdeaPad U160/U165 Table 10. 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 Indian 145000560 • Longwell LP-67+BIS+LS-18 1m...
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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 either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo ®...