Troubleshooting Basic I/O Functions; Troubleshooting A Parallel Printer - Dell OptiPlex GX1 User Manual

External Components: Dell GX1 Small-Form-Factor System User's Guide
procedures in "Troubleshooting Expansion
If a system error message indicates a port problem or if equipment connected to a port seems to perform
incorrectly or not at all, the source of the problem may be any of the following:
A faulty connection between the I/O port and the peripheral device
A faulty cable between the I/O port and the peripheral device
A faulty peripheral device
Incorrect settings in the
Incorrect settings in the system's configuration files
Faulty I/O port logic on the system board
NOTE: With certain modems installed, the
because the modem appears to the diagnostics as a serial port, but it cannot be tested as a serial
port. If you have a modem installed and you experience a serial port test failure, remove the modem
and run the diagnostic tests again.

Troubleshooting Basic I/O Functions

If a system error message indicates an I/O port problem or the device connected to the port does not function
properly, follow these steps in the order indicated until the problem is resolved:
1. Enter the System Setup program
Parallel Port options are set to Auto.
2. Insert the Dell ResourceCD into the appropriate drive, reboot the system, and run the
Ports Test Group
If any of the tests fail, the system board may be faulty. See "
technical assistance.
If the problem persists, go to "
Device," depending on which device appears to be malfunctioning.

Troubleshooting a Parallel Printer

If the information in "
printer, perform the following steps in the order indicated until the problem is resolved:
1. Reinstall the printer device driver.
See the documentation for the printer and for your operating system for instructions on reinstalling the
printer driver.
2. Turn off the parallel printer and computer, replace the parallel printer interface cable with a known
file:///C|/infodev/2013/eDoc/OpGX1/UG/external.htm[2/21/2013 11:47:18 AM]
System Setup program
and verify that the settings for the Serial Port 1, Serial Port 2, and
and/or the Parallel Ports Test Group
Troubleshooting a Parallel
Troubleshooting Basic I/O
Cards" to verify that the card is configured and installed correctly.
Serial/Infrared Port Test Group
in the
Printer" or "
Functions" indicates that the problem is with a parallel
subtests may fail
Dell Diagnostics.
Getting Help" for instructions on obtaining
Troubleshooting a Serial I/O
Serial/Infrared