IBM ThinkPad 310E Troubleshooting Manual page 8

Troubleshooting Charts
Error Codes Action
056 There is a problem with the hard disk drive auto-detect function. Do the following:
Incorrect connection of the hard disk drive can cause this error codes to appear.
Verify the Auto-detect setting of the hard disk drive.
If the same screen message appears, have the computer serviced.
054, 055 The hard disk 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 Hard Disk Drive control setting to Normal.
5. Exit the BIOS Utility and save the changes.
070 There is a problem with the real-time clock. Have the computer serviced.
071, 072 There is a problem with the CMOS. Have the computer serviced.
081 There is a system resource conflict. 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 and make sure no I/O addresses are shared by
two devices.
4. Exit the BIOS Utility and save the changes.
If the problem persists, have the computer serviced.
8-8
IBM ThinkPad 310E/310ED: User's Guide
Turn off the computer and try reconnecting the hard disk drive (see pages 6-2
to 6-3). Then turn on the computer.
Reboot the computer and press F2 during POST to enter the BIOS Utility.
Access the Basic System Settings screen and set the Hard Disk Drive
parameter to Auto.
Exit BIOS Utility and save the changes.