IBM NetVista A21 Quick Reference

Also see for NetVista A21: Hardware Maintenance Manual User guide Guías del usuario Guide d'utilisation Manual do utilizador

Contents

Symptom ActionThe keyboard does notwork. The computerdoes not respond to thekeyboard.Verify that:v The computer and monitor are turned on and thebrightness and contrast controls are set correctly.v The keyboard is securely connected to the keyboardconnector on the computer.v No keys are stuck.If you cannot correct the problem, have the computerserviced.The mouse does notwork. The computerdoes not respond to themouse.Verify that:v The computer and monitor are turned on and thebrightness and contrast controls are set correctly.v The mouse is securely connected to the mouse connectoron the computer.If you cannot correct the problem, have the computerserviced.The operating systemwill not start.Verify that:v There is no diskette in the diskette drive.v The startup sequence includes the device where theoperating system resides. Usually, the operating system ison the hard disk.During startup, look for the prompt to start theConfiguration/Setup Utility program. Press the functionkey that is specified.Verify the startup sequence in the Configuration/SetupUtility program.If you cannot correct the problem, have the computerserviced.An error code isdisplayed before theoperating system starts.Write down the code number, and see “Error codes” onpage 22.The computer beepsmultiple times before theoperating system starts.Verify that no keys are stuck down.If you cannot correct the problem, have the computerserviced.20 Quick Reference

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