Miscellaneous Error Conditions - Lenovo ThinkCentre M79 Hardware Maintenance Manual
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Also See for ThinkCentre M79:
- Hardware maintenance manual (186 pages) ,
- User manual (154 pages) ,
- Safety, warranty, and setup manual (2 pages)
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• Starts the video operation
• Verifies that the boot drive is working
If the POST detects a problem, an error message appears on the screen. A single problem can cause several
error messages to appear. When you correct the cause of the first error message, the other error messages
probably will not appear on the screen the next time you turn on the system.
Error code
0135
0211
0164
1762
1820
1962
Miscellaneous error conditions
Message/Symptom
Changing display colors
Computer will not power-off. See "Hard disk drive boot
error" on page 88.
Computer will not RPL from server
90
ThinkCentre M79 Hardware Maintenance Manual
POST error message
Fan failure
Keyboard not found
Memory size decreased
Configuration change has occurred
More than one external fingerprint
reader are attached. Power off and
remove all but the reader that you set
up within your main operating system.
No operating system found. Press
any key to repeat boot sequence.
FRU/Action
Display/Monitor
1. Power Switch
2. System Board
3. Riser card, if installed.
1. Ensure that network is in startup sequence as first
device or first device after diskette.
2. Ensure that network adapter is enabled for RPL.
3. Network adapter (Advise network administrator of
new MAC address)
Description/Action
The system might be overheating.
Press F10 to exit.
Note: If the problem is caused by the
microprocessor fan, press F10 will
not solve the problem.
When there is no keyboard detected,
the error message will be displayed.
Press F10 to exit.
This error message is displayed when
a hard disk drive or optical drive
change has been made.
Press F10 to exit.
If more than one external fingerprint
reader are connected to a computer,
this error message will be displayed
to inform you to remove all of the
fingerprint keyboards except the
one compatible with the fingerprint
application on your computer.
This error occurs only after the POST
is completed.
Press any key to repeat boot
sequence.
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Troubleshooting
