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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 3
... discs 23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo IdeaPad U460 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 4
Important: This manual is divided into the following Lenovo IdeaPad product: Lenovo IdeaPad U460 Use this manual to read all the information under "Safety information" on page 1 and "Important service information" on page 16. Use this manual to troubleshoot ... information for the following sections: •• The common sections provide general information, guidelines, and safety information required for trained servicers who are familiar with Lenovo IdeaPad products. Before servicing a Lenovo IdeaPad product, make sure to troubleshoot problems effectively. iv
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 25
... fails only when the AC adapter is acceptable, do the following: •• Replace the system board. •• If the problem continues, go to "Lenovo IdeaPad U460" on page 27. General checkout Power system checkout To verify a symptom, follow the steps below : 1. Note: Noise from the computer. 2. Turn off the computer. 6. Remove...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 31
Lenovo IdeaPad U460 Lenovo IdeaPad U460 This chapter presents the following product-specific service references and product-specific parts information: •• "Specifications" on page 27 •• "Status indicators" on ..." on page 33 •• "Locations" on page 67 •• "Parts list" on page 69 Specifications The following table lists the specifications of the Lenovo IdeaPad U460 : Table 1. Specifications Feature Processor Core Chipset Bus architecture Graphic memory chip Display Standard memory CMOS RAM Hard disk drive Optical drive Description •...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 33
.... To enable or disable Caps Lock mode, press the CapsLk key. White: System is enabled. Off: System is in hibernate mode or shut down. 29 Lenovo IdeaPad U460 Status indicators The system status indicators below show the computer status: 1234 8 9 567 Table 2. You can enter all alphabetic characters (A-Z) in use light is being...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 35
... the backlight for the LCD screen. Enable/Disable the Scroll Lock. Activate the break function. Activate the system request. Turn on /off the insert input. Lenovo IdeaPad U460 Fn key combinations The following table shows the function of each combination of Fn with a function key.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 37
... by the arrow in the figure. 7. When replacing an FRU, use the correct screw as given by the numbers in place and none are listed. 4. Lenovo IdeaPad U460 Removing and replacing an FRU This section presents exploded figures with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to service any FRU...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 39
Lenovo IdeaPad U460 1020 Dummy card For access, remove this FRU: •• "1010 Battery pack" on page 34 Figure 2. Removal steps of dummy card Remove the dummy card in the direction shown by arrows 1 2. 1 2 35
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 41
... or apply any physical shock to it if possible. • Never remove the drive while the system is operating or is sensitive to physical shock. Lenovo IdeaPad U460 1040 Hard disk drive For access, remove these FRUs in the direction shown by arrow 3. 1 2 1 3 Step 1 Screw (quantity) M2.5 × 6 mm, flat-head, nylok-coated...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 43
Lenovo IdeaPad U460 1060 DIMM For access, remove these FRUs in the direction shown by arrows 1, and then unplug the DIMM in order: •• "1010 Battery pack" ...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 45
Lenovo IdeaPad U460 Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Remove the card in the direction shown by arrow 3. 3 When installing: •&#...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 47
Lenovo IdeaPad U460 Figure 8. Remove the keyboard in the direction shown by arrow 4. 4 3 2 When installing: Make sure that the FPC connector is attached firmly. 43 Removal steps of keyboard (continued) Lift the keyboard a little, and then detach the connector in the direction shown by arrows 2 3.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 49
Removal steps of keyboard bezel (continued) Remove three screws 2. 2 2 2 Step 2 Screw (quantity) M2.5 × 6 mm, flat-head, nylok-coated (3) Color Black Torque 2.5 kgfcm 45 Lenovo IdeaPad U460 Figure 9.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 51
Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by arrow 5. 5 Remove two screws 6 and then remove the speakers in the direction shown by arrows 7. 6 6 7 7 Step 6 Screw (quantity) Color Torque M2.5 × (5.7+2) mm, flat-head, nylok-coated (2) Black 2.5 kgfcm Note: Touch inductive panel is fixed on the keyboard bezel. 47 Lenovo IdeaPad U460 Figure 9.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 53
... sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach the LCD assembly. Lenovo IdeaPad U460 1100 LCD unit For access, remove these FRUs in the direction shown by arrows 3. 1 1 1 1 1 2 3 3 Step 1 Screw (quantity) M2.5 × 6 mm, flat-head, nylok-coated (5) Color...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 55
Lenovo IdeaPad U460 1110 System board Important notices for wireless LAN/WAN" on page 40 •• "1080 Keyboard" on page 42 •• "1090 Keyboard bezel" on ...
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 57
Lenovo IdeaPad U460 Figure 11. Improper placement of the audio jack and the microphone jack are attached to the base cover, adjust the placement of the wireless radio switch as shown in a . Removal steps of system board Remove the system board in the direction shown by arrow 3. 3 b a a When installing: When attaching the system board to the holes on the base cover as shown in b , and make sure that both of the switch or those jacks might cause a damage. 53
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 59
Removal steps of fan assembly and heat sink assembly (continued) Remove three screws 2 and one screw 3. 2 2 2 3 Step 2 3 Screw (quantity) With Spring, flat-head, nylok-coated (3) M1.98 × 3, flat-head, nylok-coated (1) Color Black Silver Torque 2.5 kgfcm 1.5 kgfcm 55 Lenovo IdeaPad U460 Figure 12.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 61
..., then remove the CPU in the direction shown by arrow 2. 1 a b 2 When installing: Place the CPU on page 54 Attention: CPU is extremely sensitive. Figure 13. Lenovo IdeaPad U460 1130 CPU For access, remove these FRUs in the direction shown by arrow a , and then rotate the head of rough handling.
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Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0


Page 63
Lenovo IdeaPad U460 Figure 14. Removal steps of base cover and bluetooth card (continued) Remove the bluetooth card in the direction shown by arrow 3. 3 59

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We have the following 2 documents available for the Lenovo IdeaPad U460S:
  • Lenovo IdeaPad U460 UserGuide V1.0
  • Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0
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