Table Of Contents - Lenovo 423363U Hardware Maintenance Manual

Contents
About this manual . . . . . . . . . . v
Safety information . . . . . . . . . . 1
General safety . . . .
Electrical safety . . .
Safety inspection guide .
Handling devices that are sensitive to electrostatic
discharge . . . . .
Grounding requirements .
Safety notices: multilingual translations .
Laser compliance statement .
Important service information . . . . . 17
Strategy for replacing FRUs .
Strategy for replacing a hard disk drive .
Important notice for replacing a system board .
How to use error message
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . .
Product definition .
FRU identification for CTO, CMV, and GAV
products . . . .
Important information about replacing RoHS
compliant FRUs . . .
General checkout . . . . . . . . . . 23
What to do first . . .
Checkout guide . . .
Diagnostics using PC-Doctor for DOS
PC-Doctor for Windows .
Power system checkout .
Checking the AC adapter .
Checking operational charging .
Checking the battery pack
Related service information . . . . . . 31
Restoring the factory contents by using Product
Recovery discs . . .
Passwords . . . . .
Power-on password
Hard-disk password
Supervisor password .
How to remove the hard-disk password .
Power management .
Screen blank mode .
Sleep (standby) mode .
Hibernation mode .
Symptom-to-FRU index .
Numeric error codes .
Error messages . .
No-beep symptoms .
LCD-related symptoms
Intermittent problems .
© Copyright Lenovo 2008, 2009
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Undetermined problems .
Lenovo 3000 N500 . . . . . . . . . . 43
Specifications .
. 2
Status indicators .
. 3
FRU tests . .
. 5
Fn key combinations .
FRU replacement notices .
. 6
Screw notices .
. 6
Retaining serial numbers .
. 7
Removing and replacing a FRU .
. 14
1010 Battery pack .
1020 Dummy cards .
1030 Hard disk drive (HDD) slot cover and HDD 56
. 17
1040 Optical drive .
. 18
1050 Thermal slot cover .
. 18
1060 DIMM .
. 18
1070 Fan assembly .
1080 Heat sink assembly .
. 19
1090 Wireless LAN card slot cover and PCI
. 19
Express Mini Card for wireless LAN .
1100 CPU .
. 19
1110 Keyboard cover and power board .
1120 Bluetooth daughter card (BDC-2.1) .
. 21
1130 Keyboard .
1140 LCD unit
1150 Keyboard bezel and LED board L .
. 24
1160 LED board R .
. 25
1170 System board and ExpressCard slot
. 26
assembly .
. 28
1180 Speakers and base cover .
. 29
2010 LCD front bezel .
. 29
2020 Inverter card .
. 29
2030 Integrated camera
. 30
2040 LCD panel, LCD cable, and hinges .
2050 Antenna assembly and LCD cover .
Locations . .
Front view .
. 31 Rear view .
. 32 Bottom view .
. 32 Parts list . .
. 32 Overall . .
. 33 LCD FRUs .
. 33
Keyboard . .
. 34 Miscellaneous parts .
. 34 AC adapters .
. 34 Power cords .
. 35 Recovery discs .
. 36 Common service tools
. 36
. 38
Notices . . . . . . . . . . . . . . 113
. 39
Trademarks . .
. 40
. 41
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