Dell OptiPlex GX400 User Manual

Also see for OptiPlex GX400: Setup and quick reference guide Service manual Setup and quick reference guide

Contents

Dell OptiPlex GX400 User Manual Manual pdf 38 page image

Back to Contents PageSolving ProblemsDell™ OptiPlex™ GX400 System User's GuideBefore You BeginDell DiagnosticsMessages and CodesSoftware ProblemsBefore You BeginThis section describes system and software problems, offers corrective actions, describes the Dell Diagnostics utility, and provides system messages andcodes. Before you call Dell for technical assistance, complete the following tasks to help you resolve computer problems:l Read "About Your Computer" and "Safety First—For You and Your Computer."l Take the problem-solving action listed in the following table for the component or equipment that is not working properly.Power ProblemsThe power indicator on the front panel communicates codes that can help you determine whether there is a problem with your computer. The following tablelists the codes for the power indicator. For more information, see "Diagnostic Indicators."Basic Checks:l Test the electrical outlet: ensure that the electrical outlet is working by testing it with a different device such as a lamp.l Connect the computer power cable directly to an electrical outlet to ensure that the computer turns on. Do not connect it to a power protection device,uninterruptible power supply (UPS), power strip, or extension cord.l Ensure that all power cables are firmly connected, verifying that each power cable is adequately connected at the computer device and to the electricaloutlet.l Check for interference: electrical appliances on the same circuit or operating in close proximity to the computer can cause interference.Solving ProblemsProblem ActionPower indicator does not light See "Power Problems"Monitor power indicator does not light See "Monitor Problems"No sound See "Sound and Speaker Problems"Printer not working See "Printer Problems"Serial or other parallel devices not working See "Serial or Parallel Device Problems"Mouse not working See "Mouse Problems"Keyboard not working See "Keyboard Problems"Diskette drive or hard drive: indicators not lit, scraping or unusual noises, no noise See "Diskette Drive Problems" or "Hard Drive Problems"System battery not working See "Battery Problems"Expansion card errors or malfunction See "Expansion-Card Problems"A program locks up See "Recover From a Program That Is Not Responding"Computer locks up See "Restart a Computer That Is Not Responding"Computer gets wet See "Repairing a Wet Computer"Computer is dropped or damaged See "Repairing a Dropped or Damaged Computer"Hardware devices conflict See "Hardware Conflicts"System memory amount is not correct See "System Memory Problems"System board malfunctions See "System Board Problems"System board is damaged See "Resetting a Damaged System Board"An error message See "Messages and Codes"A series of beeps on system startup See "Messages and Codes"Power Indicator CodesPower Indicator Code CauseSolid green Power is on, and the computer is operating normally.Blinking green The computer is in the suspended state (Microsoft® Windows® 2000 only).Solid yellow The Dell Diagnostics is running a test, or a device on the system board may be faulty or incorrectly installed.Blinking yellow There is a system board or power supply failure.