Lenovo ThinkCentre M70z Hardware Maintenance Manual (HMM) - Page 66

Miscellaneous error conditions, Error code, POST Error Message, Description/Action, Message/Symptom

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Error code 0210 0135 0211 0164 1762 0662 1820 1962 POST Error Message Stuck key Fan failure Description/Action When a key is kept pressed for a long time, the error message will be displayed during the POST. The system might be overheating. Press F10 to exit. Keyboard not found Memory size decreased Configuration change has occurred 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. Configuration change has occurred Press F10 to exit. This error message is displayed when a floppy drive change has been made. Press F10 to exit. 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. 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. 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 Changing display colors Computer will not power-off. See "Hard disk drive boot error" on page 41. Computer will not RPL from server 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) 60 ThinkCentre Hardware Maintenance Manual

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Error code
POST Error Message
Description/Action
0210
Stuck key
When a key is kept pressed for a
long time, the error message will be
displayed during the POST.
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
Configuration 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
Configuration change has occurred
This error message is displayed when
a floppy drive change has been made.
Press F10 to exit.
1820
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.
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.
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 41.
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 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)
60
ThinkCentre Hardware Maintenance Manual