Troubleshooting Charts
8-6
IBM ThinkPad 310E/310ED: User’s Guide
Troubleshooting Charts
POST Error Codes
POST error codes display on the screen if results during the POST (Power On Self Test) routines show an
error. The computer performs POST while the ThinkPad logo is being displayed on the screen.
Error Codes
Action
010
There is a memory error at MMMM:SSSS:OOOOh (R:xxxxh, W:xxxxh). Have the
computer serviced.
011
There is a problem with the system management memory. Have the computer
serviced.
013
The computer is loading the SMI (System Management Interface) Handler with APM.
015
The computer battery is critically-low.
Connect the AC Adapter to the computer and charge the battery pack, or replace the
battery pack with a fully-charged one.
020, 021, 022
Verify that nothing is put on the system keyboard or the external keyboard. Turn off the
computer and all attached devices. Turn on the computer first; then turn on the
attached devices. If there is still a problem, do the following:
•
If the computer has no external keyboard connected, have the computer serviced.
•
If the computer has an external keyboard connected, do the following:
−
Turn off the computer and disconnect the external keyboard; then turn on the
computer. If no error occurred, your external keyboard might be damaged.
Have the external keyboard serviced.
−
If you are using the keyboard/mouse connector, verify that it is correctly
connected to the computer and that the external keyboard is connected to the
correct side of the keyboard/mouse connector (see page 6-13).
If the preceding items are correct, disconnect the keyboard/mouse connector from
the computer and verify that the operation of the system keyboard is correct. If the
system keyboard works correctly, have the keyboard/mouse connector of the
external keyboard serviced.
