Dell OptiPlex GX150 - Manual (Page 71)

These device groups check the basic functions of the system board's I/O port logic. If a printer is connected to the parallel port, the
Parallel Ports device group tests the communication link between the system board's I/O port logic and the printer.
Do the tests complete successfully?
Yes. Go to step 3.
No. Contact Dell for technical assistance.
3. If the problem is confined to a particular application program, see the application program's documentation for specific port configuration
requirements.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 4.
4. Turn off the computer and the device, swap the device's cable with a known working cable, and then turn on the computer and the device.
Is the device working properly?
Yes. You need a new device cable. Contact Dell for technical assistance.
No. Go to step 5.
5. Turn off the computer and the device, swap the device with a comparable working device, and then turn on the computer and the device.
Is the device working properly?
Yes. You need a new device. Contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Mouse Problems
Basic Checks:
l
Disconnect the cable from the computer and check the cable connector for bent or broken pins. Check for damaged or frayed cables.
l If the cable is not damaged, make sure that it is firmly connected to the computer.
l Reinstall the mouse driver for your operating system.
l
Restart the computer.
If the problem still exists after you complete the basic checks, fill out the Diagnostics Checklist as you perform the following steps:
1. If you are using a PS/2 mouse, enter system setup and make sure that Mouse Port under the Integrated Devices option is set to On. Then
exit system setup properly to save the information, and reboot the system.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 2.
2. If you are using a PS/2 mouse, run the Mouse test in the Pointing Devices device group in the Dell Diagnostics.
Did the tests complete successfully?
Yes. Go to step 3.
No. Contact Dell for technical assistance.
3. Turn off the computer, connect another mouse to the computer, and then turn the computer on.
If you do not have another mouse, contact Dell for technical assistance.
Is the mouse functioning properly?
Yes. The original mouse is defective. The problem is resolved.
No. Contact Dell for technical assistance.