Serial Port Problems Action
Serial port cannot be
accessed.
Verify that:
1. Each port is assigned a unique address.
2. The serial-port adapter, if you added one, is properly installed and
firmly seated. Refer to Installing Options in Your Personal Computer for
instructions on adding adapters.
If the problem cannot be isolated and corrected, have the computer
serviced.
Printer Problems Action
The printer does not
work.
Verify that:
1. The printer is turned on and is online.
2. The printer signal cable is securely connected to the correct parallel,
serial, or USB port on the computer. (Refer to “External Connectors”
on page 11 for the location of the parallel, serial, and USB ports.)
Note: Non-IBM printer signal cables might cause unpredictable
problems.
3. You have assigned the printer port correctly in your operating system
or application program.
4. You have assigned the printer port correctly in the
Configuration/Setup Utility program. (To change the settings, refer to
Chapter 5, “Using the Configuration/Setup Utility Program” on
page 39.)
5. If the problem persists, run the tests described in the documentation
that comes with your printer.
If the problem cannot be isolated and corrected, have the computer and
printer serviced.
102 Using Your Personal Computer
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