Dell OptiPlex N Service Manual

Also see for OptiPlex N: Troubleshooting guide User guide

Contents

3-4 Dell OptiPlex N Systems Service ManualS ystem Error MessagesTable 3-2 lists (in alphabetical order) system error messages that can appear onthe monitor screen. These messages can help you find the source of a problem.Some of these error messages indicate fatal errors. When a fatal error occurs,the computer cannot usually be rebooted until an appropriate hardware changehas been made. The following messages indicate a fatal error:• Bad error-correction code (ECC) on disk read• Controller has failed• Data error• Gate A20 failure• Hard disk controller failure• Hard disk drive read failure• Hard disk failure• Keyboard clock line failure• Keyboard controller failure• Keyboard data line failure• Keyboard stuck key failure• No timer tick interrupt• Shutdown failure• Timer chip counter 2 failed• Unexpected interrupt in protected mode