3. Replace the diskette drive flexible cable.
4. Replace the system board.
If an error occurs when the external diskette drive is
attached through the external diskette drive connector and
there is no internal diskette drive, reseat the connector. If
the error still remains, perform the following actions, one at
a time.
1. Replace the external FDD cable.
2. Replace the diskette drive.
3. Replace the system board.
CD-ROM Drive Test
Do the following to isolate the problem to a controller,
drive, or CD-ROM. Make sure that the CD-ROM does not
have a label attached to it. The label can cause damage
to the drive or can cause the drive to fail.
Do the following to select the test device:
1. Boot from the diagnostics diskette and start the PQA
program (please refer to “Running PQA Diagnostics
Program” on page 25).
2. Go to the diagnostic CD-ROM in the test items.
3. Press F2 in the test items.
4. Follow the instructions in the message window.
If an error occurs, reseat the connector on the system
board.
If the error still remains:
1. Reseat the CD-ROM cable.
2. Replace the CD-ROM drive.
3. Replace the system board.
Power System Checkout
To verify the symptom of the problem, power-on the
computer using each of the power sources as follows:
1. Remove the battery pack, diskette drive, and hard
disk drive.
2. Connect the AC Adapter and check that power is
supplied.
3. Install the diskette drive or hard disk drive one at a
time, and check that power is supplied from each
power source.
If you suspect a power problem, see an appropriate power
supply check listed below:
Checking the AC Adapter
Checking Operational Charging
Checking the Battery Pack
8IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM