Table Of Contents - Lenovo ThinkCentre M70a Gen 2 Hardware Maintenance Manual
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Also See for ThinkCentre M70a Gen 2:
- Hardware maintenance manual (100 pages) ,
- User manual (50 pages) ,
- User manual (82 pages)
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Contents
About this manual . . . . . . . . . . . . iii
information . . . . . . . . . . . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . . 3
devices . . . . . . . . . . . . . . . . . . . 4
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multi-lingual translations) . . . . . . 4
information . . . . . . . . . . . . . . . 27
Strategy for replacing FRUs . . . . . . . . . .
solid-state drive . . . . . . . . . . . . .
board . . . . . . . . . . . . . . . . .
How to use error codes . . . . . . . . . .
and standard models. . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification . . . . . . . . . . . .
Chapter 3. Product overview . . . . . 29
Front . . . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . . .
symptom-to-FRU index . . . . . . . . 33
Service checkout . . . . . . . . . . . . . .
Problem determination tips . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
Hard disk drive boot error . . . . . . . . .
Power supply problems . . . . . . . . . .
Beep symptoms . . . . . . . . . . . . .
POST error codes . . . . . . . . . . . .
Miscellaneous error conditions . . . . . . .
diagnostics, and recovery . . . . . . . 41
problems . . . . . . . . . . . . . . . . .
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Startup problems . . . . . . . . . . . .
Screen problems . . . . . . . . . . . .
Audio problems . . . . . . . . . . . . .
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Network problems . . . . . . . . . . . .
Performance problems . . . . . . . . . .
Storage drive problems . . . . . . . . . .
CD or DVD problems . . . . . . . . . . .
Serial connector problems . . . . . . . . .
Software problems . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . .
Lenovo diagnostic tools . . . . . . . . . .
UEFI diagnostic program . . . . . . . . .
Recovery . . . . . . . . . . . . . . . . .
point . . . . . . . . . . . . . . . . .
Restore your files from a backup . . . . . .
Reset your computer . . . . . . . . . . .
Use advanced options . . . . . . . . . .
Windows automatic recovery. . . . . . . .
Update the device driver . . . . . . . . .
installation . . . . . . . . . . . . . . . 55
Handling static-sensitive devices . . . . . . . .
Service tool kit . . . . . . . . . . . . . . .
Major FRUs and CRUs . . . . . . . . . . . .
System board . . . . . . . . . . . . . . .
External options . . . . . . . . . . . . .
Computer stand . . . . . . . . . . . . .
Rear cover . . . . . . . . . . . . . . .
Optical drive . . . . . . . . . . . . . .
Optical drive holder . . . . . . . . . . .
System board shield . . . . . . . . . . .
VESA mount bracket cover . . . . . . . .
VESA mount bracket . . . . . . . . . . .
Hard disk drive and bracket . . . . . . . .
M.2 solid-state drive . . . . . . . . . . .
Memory module . . . . . . . . . . . . .
System fan . . . . . . . . . . . . . . .
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Bump cover . . . . . . . . . . . . . .
Microprocessor . . . . . . . . . . . . .
Cable cover . . . . . . . . . . . . . .
Wi-Fi card . . . . . . . . . . . . . . .
Coin-cell battery . . . . . . . . . . . . .
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