4 ContentsAbout RAID Configurations . . . . . . . . . . . . . . . . . . . . . . . . . 27Determining If RAID Is Working . . . . . . . . . . . . . . . . . . . . 28RAID Level 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Troubleshooting RAID . . . . . . . . . . . . . . . . . . . . . . . . . 29Recovering From a Multiple Hard Drive Failure Using the Intel®RAID Option ROM Utility . . . . . . . . . . . . . . . . . . . . . . . . 29Recovering From a Single Hard Drive Failure Using the IntelMatrix Storage Manager . . . . . . . . . . . . . . . . . . . . . . . 29Setting Your Computer to RAID-Enabled Mode . . . . . . . . . . . . . 30Press the left- and right-arrow keys to highlight Save/Exit, andpress to exit system setup and resume the boot process. . . . . 302 Solving ProblemsTroubleshooting Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Battery Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Drive Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31CD and DVD drive problems . . . . . . . . . . . . . . . . . . . . . . 32Hard drive problems. . . . . . . . . . . . . . . . . . . . . . . . . . 33E-Mail, Modem, and Internet Problems . . . . . . . . . . . . . . . . . . . 33Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Media Card Reader Problems . . . . . . . . . . . . . . . . . . . . . . . 35Keyboard Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Lockups and Software Problems . . . . . . . . . . . . . . . . . . . . . . 36The computer does not start up . . . . . . . . . . . . . . . . . . . . 36The computer stops responding . . . . . . . . . . . . . . . . . . . . 36A program stops responding . . . . . . . . . . . . . . . . . . . . . . 37A program crashes repeatedly . . . . . . . . . . . . . . . . . . . . . 37A program is designed for an earlier Microsoft® Windows®operating system . . . . . . . . . . . . . . . . . . . . . . . . . . . 37A solid blue screen appears . . . . . . . . . . . . . . . . . . . . . . 37Other software problems . . . . . . . . . . . . . . . . . . . . . . . 38Memory Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Mouse Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Network Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40