166 Solv ing Pr oble m sw w w . d e l l . c o m | s u p p o r t . d e l l . c o m 1 Turn off nearby fans, lights, lamps, or other electrical devices.Are the external speakers functioning properly?Yes. One or more of those electrical devices was causing interference.The problem is resolved.No. Go to step 2.2 Enter system setup and make sure that Sound under the IntegratedDevices option is set to On. Then exit system setup properly to savethe information, and reboot the computer.Is the device working properly?Yes. The problem is resolved.No. Go to step 3.3 Run the Misc. PCI Devices tests in the Dell Diagnostics.Did the tests complete successfully?Yes. The controller is functioning properly. If the problem persists,contact Dell for technical assistance.No. Contact Dell for technical assistance.Printer ProblemsBasic Checks:• Disconnect the cable from the computer and check the cableconnector for bent or broken pins. Check for damaged or frayed cables.• If the cable is not damaged, make sure that it is firmly connected tothe computer.• Test the electrical outlet: verify that the printer is connected to aworking electrical outlet.• Ensure that the printer is turned on.• Check for interference: electrical appliances on the same circuit oroperating in close proximity to the computer can cause interference.If the problem still exists after you complete the basic checks, fill out theDiagnostics Checklist as you perform the following steps:1 Perform the procedure in "Serial or Parallel Device Problems."Is the device working properly?