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 GuideSee your operating system documentation for additional troubleshootinginformationCheck for interrupt request conflicts— See "Resolving Software and HardwareIncompatibilities."Keyboard ProblemsFill out the Diagnostics Checklist as you complete these checks.Check the keyboard cable● Ensure that the keyboard cable is firmly connected to the computer.● Check the cable connector for bent or broken pins and for damaged or frayedcables. Straighten bent pins.● Remove keyboard extension cables and connect the keyboard directly to thecomputer.Test the keyboard— Connect a keyboard that works properly to the computer, and tryusing the keyboard. If the new keyboard works, the original keyboard is faulty.Check the keyboard switch setting— Switch settings are on the bottom of thekeyboard, sometimes behind a panel. Ensure that the switch is set to PS/2, EnhancedXT/AT, or PC/AT. See the documentation supplied with the keyboard for recommendedsettings.Run the Dell Diagnostics— Reboot the computer and run the Dell Diagnostics. If any ofthe tests fail, contact Dell.Check for interrupt request conflicts— See "Resolving Software and HardwareIncompatibilities."Memory ProblemsCAUTION: Before you perform this procedure, see "CAUTION: Safety Instructions."http://support.dell.com/support/edocs/systems/opgx260/en/ug/solvprob.htm (19 of 30) [10/25/2007 1:44:24 PM]