IBM 2621483 - ThinkPad i Series 1400 2621, Руководство пользователя

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Troubleshooting Charts
Other Option Problems
Problem Action
An IBM option that you
just installed does not
work. Make sure that:
Ÿ
The option is designed for your computer.
Ÿ
The option was installed following the instructions supplied with the option or
this book.
Ÿ
Other installed options or cables are not loose.
Ÿ
There is no I/O address or interrupt level (IRQ) DMA channel conflict. To see
the system resource status, double-click Device Manager from the Control
Panel. (See also "Resolving System Resource Conflicts" in the
Online User's
Guide).
If the test program for the option did not find the problem, have the computer and
option serviced.
An IBM option that used
to work no longer works. Make sure that:
Ÿ
The option is securely connected to your computer.
Ÿ
If the option came with its own test instructions, use those instructions to test
the option.
Ÿ
There is no system resource conflict (see "Resolving System Resource Con-
flicts" in the
Online User's Guide).
If these items are correct and the test program did not find the problem, have the
computer and the option serviced.
The serial port does not
work. Make sure that the serial port is enabled by doing the following:
1. Save your work and quit any program you are using.
2. Shutdown and restart your computer.
3. While the ThinkPad logo is being displayed, wait for the the BIOS Utility
prompt to appear, then press F1.
4. Select Onboard Devices Configuration and press Enter.
5. Verify if the Serial Port is enabled.
6. Save the changes and exit the BIOS Utility.
Solving Computer Problems
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