IBM ThinkPad 310E User Manual page 134

Error Codes Action
030, 031 Try using the TrackPoint III. If the TrackPoint III does not work, 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 mouse connected, have the computer serviced.
•
If the computer has an external mouse connected, do the following:
−
−
−
If there is still a problem, have the computer serviced.
040 There is a problem with the diskette drive. Have the computer serviced.
045 There is a CPU clock mismatch error. Enter the BIOS Utility, then exit the BIOS
Utility. If the problem persists, have the computer serviced.
047, 048 The diskette drive is disabled or write-protected. Do the following:
1. Turn off the computer.
2. During POST, press F2 to enter the BIOS Utility.
3. Go to the System Security screen.
4. Change the Diskette Drive control setting to Normal.
5. Exit the BIOS Utility and save the changes.
050 Incorrect connection of the hard disk drive can cause this error codes to appear. This
may result in the computer being unable to find the startup drive.
Try reconnecting the hard disk drive (see pages 6-2 to 6-3). If the same screen
message appears, have the computer serviced.
Verify that the mouse or pointing-device cable is securely connected to the
computer.
If you are using the keyboard/mouse connector, verify that it is correctly
connected to the computer and that the external mouse is connected to the
correct side of the keyboard/mouse connector (see page 6-13).
If you are using a serial mouse, you need to load a serial mouse driver.
Troubleshooting Charts
Chapter 8. Solving Computer Problems
8-7