Troubleshooting Guide
Problem Cause and Action
An IBM option that used
to work no longer works.
Make sure that:
The option is securely connected to your computer.
The option passes its own test. If the option came with its own test
instructions, use those instructions to test the option.
There is no system resource conflict (
“Resolving System Resource
Conflicts” in the
Online User's Guide
).
If these items are correct and the test program did not find the problem, have
the computer and option serviced.
The serial connector does
not work.
Make sure that the serial connector is enabled by doing the following:
For Windows 98:
1. Start the ThinkPad Configuration program.
2. Click on Serial Port (
).
3. Select Enable.
4. Click on Device Manager.
5. Check the ports in the “Device Manager” window and make sure the
settings are correct.
6. Click on OK.
For Windows NT:
1. Start the ThinkPad Configuration program.
2. Click on Serial Port (
).
3. Select Enable; then select COM1, COM2, COM3, or COM4.
4. Click on OK.
152 IBM ThinkPad 600E User's Reference
