Dell OptiPlex GX260 Series User Manual

Also see for GX260 - Optiplex Pentium 4 2.0GHz 512MB 40GB CD: Setup and quick reference guide Features list System user's guide Service manual Disassembly

Solving Problems: Dell OptiPlex GX260 Systems User's GuideTest the electrical outlet— Ensure that the electrical outlet is working by testing it withanother device, such as a lamp.Eliminate interference— Relocate any electrical appliances on the same circuit oroperating near the computer that might cause interference. Remove these other possiblecauses of interference:● Power extension cables● Keyboard and mouse extension cables● Too many devices on a power strip● Multiple power strips connected to the same electrical outletCheck the option setting— See the device's documentation for the recommendedsettings. Then enter system setup and go to the Integrated Devices option settings.Ensure that the Serial Port setting (for a serial device) or the Parallel Port setting (for aparallel device) matches the recommended settings.Consult your software documentation— If the problem occurs with particularsoftware, see the software documentation for the recommended serial or parallel portsettings. Ensure that the port settings match the recommended settings.Run the Dell Diagnostics— Reboot the computer and run the Dell Diagnostics. If any ofthe tests fail, contact Dell.Test the device— Swap the device with a comparable device that works properly.Sound and Speaker ProblemsFill out the Diagnostics Checklist as you complete these checks.NOTE: The volume control in some MP3 players overrides the Windows volume setting. If youhave been listening to MP3 songs, ensure that you did not turn the player volume down or off.Check the speaker cable connections— Ensure that the speakers are connected asshown on the setup diagram supplied with the speakers.Ensure that the subwoofer and the speakers are turned on— See the setup diagramsupplied with the speakers. If your speakers have volume controls, adjust the volume,bass, or treble to eliminate distortion.Adjust the Windows volume control— Click or double-click the speaker icon in thelower-right corner of your screen. Ensure that the volume is turned up and that the soundis not muted.Disconnect headphones from the headphone connector— Sound from the speakersis automatically disabled when headphones are connected to the computer's front-panelheadphone connector.http://support.dell.com/support/edocs/systems/opgx260/en/ug/solvprob.htm (26 of 30) [10/25/2007 1:44:24 PM]