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Error code POST Error Message Description/Action
0135
Fan failure
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.
0211
Keyboard not found
When there is no keyboard detected,
the error message will be displayed.
0164 Memory size decreased Press F10 to exit.
1762
Conguration change has occurred
This error message is displayed when
a hard disk drive or optical drive
change has been made.
Press F10 to exit.
0662
Conguration change has occurred
This error message is displayed when
a oppy drive change has been made.
Press F10 to exit.
1820
More than one external ngerprint
reader are attached. Power off and
remove all but the reader that you set
up within your main operating system.
If more than one external ngerprint
reader are connected to a computer,
this error message will be displayed
to inform you to remove all of the
ngerprint keyboards except the
one compatible with the ngerprint
application on your computer.
1962
No operating system found. Press
any key to repeat boot sequence.
This error occurs only after the POST
is completed.
Press any key to repeat boot
sequence.
Miscellaneous error conditions
Message/Symptom FRU/Action
Changing display colors Display/Monitor
Computer will not power-off. See “Hard disk drive boot
error” on page 57.
1. Power Switch
2. System Board
3. Riser card, if installed.
Computer will not RPL from server
1. Ensure that network is in startup sequence as rst
device or rst device after diskette.
2. Ensure that network adapter is enabled for RPL.
3. Network adapter (Advise network administrator of
new MAC address)
76 ThinkCentre Edge Hardware Maintenance Manual