Troubleshooting
Option Problems
Problem
Action
All or some keys on the
external keyboard do not
work.
To use an external keyboard, you need to attach the external input-device
connector to the computer. Verify that:
The external input-device connector is correctly connected to the computer.
The keyboard connector is connected to the correct side of the external
input-device connector.
If the preceding items are correct, disconnect the external input-device
connector from the computer and verify that the operation of the system
keyboard is correct. If the system keyboard works, have the external
input-device connector or the external keyboard serviced.
A number appears when
you type an alphabetic
character.
The numeric lock function is on. To disable it, press and hold Shift; then press
NumLk.
Problem
Action
An IBM option that was
just installed does not
work.
Verify that:
The option is designed for the IBM ThinkPad 365X/365XD computers.
The option has been installed correctly by following the instructions supplied
with the option or this book.
Other installed options or cables are not loose.
No I/O address or interrupt level (IRQ) conflict has occurred. To see the
system resource status, start the ThinkPad Features program and click on
the device icon. (The Advanced... button is available on some devices.)
If the test programs for the option did not find the problem, have the computer
and option serviced, or see Appendix A.
An IBM option that used
to work no longer works.
Verify that:
All the option hardware and cable connections are securely connected.
If the option came with its own test instructions, use those instructions to
test the option.
System resource conflicts do not occur (see Appendix A).
If the preceding items are correct and the test programs did not find the
problem, have the computer and option serviced.
The serial port does not
work.
Ensure that serial port is enabled and set to COM1, COM2, COM3, or COM4 in
the ThinkPad Features program (click on the Serial Port
icon).
210
IBM ThinkPad 365X/365XD:
User's Guide
Содержание ThinkPad 365X
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