76 - Frequently asked questionsTroubleshootingThis chapter shows you how to deal with common systemproblems.Read it before calling a technician if a problem occurs.Solutions to more serious problems require opening up thecomputer. Do not attempt to open the computer yourself;contact your dealer or authorized service center forassistance.Troubleshooting tipsThis computer incorporates an advanced design that deliversonscreen error message reports to help you solve problems.If the system reports an error message or an errorsymptom occurs, see "Error messages" below. If the problemcannot be resolved, contact your dealer.Error messagesIf you receive an error message, note the message and takethe corrective action. The following table lists the errormessages in alphabetical order together with therecommended course of action.Error messages Corrective actionCMOS batterybadContact your dealer or an authorizedservice center.CMOS checksumerrorContact your dealer or an authorizedservice center.Disk boot failure Insert a system (bootable) disk, thenpress <Enter> to reboot.EquipmentconfigurationerrorPress <F2> (during POST) to enter theBIOS utility, then press Exit in the BIOSutility to reboot.Hard disk 0 error Contact your dealer or an authorizedservice center.F r eq ue nt ly aske d qu est io ns