Undetermined problems – Lenovo ThinkPad Tablet 2 User Manual
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Table 1. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
0191
System Security - Invalid remote change requested.
The system configuration change has failed. Confirm
the operation and try again. To clear the error, enter the
ThinkPad Setup.
0199
System Security - Security password retry count
exceeded.
This message is displayed if you enter a wrong supervisor
password more than three times. Confirm the supervisor
password and try again. To clear the error, enter the
ThinkPad Setup.
2200
Machine Type and Serial Number are invalid.
Machine Type and Serial Number are invalid. Have the
computer serviced.
2201
Machine UUID is invalid.
Machine UUID is invalid. Have the computer serviced.
Undetermined problems
If the adapter or device that has failed, if wrong devices are installed, or if the system simply is not operating,
follow these procedures to isolate the failing FRU (do not isolate FRUs that have no defects).
Verify that all attached devices are supported by the computer.
Verify that the power supply being used at the time of the failure is operating correctly. See “Power system
checkout” on page 24.
1. Turn off the computer.
2. Visually check each FRU for damage. Replace any damaged FRU.
3. Remove or disconnect all of the following devices:
a. Non-ThinkPad devices
b. Devices attached to the docking station or the port replicator
c. Printer, mouse, and other external devices
d. Battery pack
e. Hard disk drive
f. External diskette drive or optical drive
g. Memory module
h. Optical disk in the built-in drive
i.
PC cards
4. Turn on the computer.
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly
.
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