w w w . d e l l . c o m s u p p o r t . d e l l . c o m
4Turn 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.
5Turn 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:
•Check the diagnostic lights to see if the specific problem is identified.
•Disconnect the cable from the computer and check the cable connector for bent or broken pins. Check for damaged or frayed cables.
•Ensure that the cable is firmly connected to the computer.
•If you are using a USB mouse, ensure that you connect to one of the Port 1 USB connectors on the computer back panel (see
•Reinstall the mouse driver for your operating system.
•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:
1Turn off the computer, wait 10 to 20 seconds, and disconnect the mouse. Connect the mouse back to the computer, and then turn it on.
Is the device working properly? Yes. The problem is resolved. No. Go to step 2.
