Chapter 6. Solving Problems 61Make sure each keyboard key sends thecorrect signal to the computer.Run the Scan/ASCII Code test on theKeyboard Menu.Make sure the keyboard LEDs work. Run the Keyboard LED test on the KeyboardMenu.SCSI drive problemsMake sure that the SCSI drive is readingcorrectly.Run the SCSI Disk Read test on the SCSImenu.Make sure that the SCSI drive is writingcorrectly.Run the SCSI Disk Write test on the SCSImenu.Make sure that the SCSI tape drive isreading correctly.Run the SCSI Tape Read test on the SCSImenu.Make sure that the SCSI tape drive iswriting correctly.Run the SCSI Tape Write test on the SCSImenu.Rewind the tape cartridge in the SCSI tapedrive.Run the SCSI Tape Rewind test on the SCSImenu.CD-ROM drive problemsMake sure that the CD-ROM drive isreading correctly.If the computer has a SCSI CD-ROM drive,run the SCSI CD-ROM Read test on theSCSI menu. If the computer has an ATAPI orIDE CD-ROM drive, run the CD Data test onthe IDE menu.To test the CD-ROM drive tray, Choose the CD Tray Test on the IDE or SCSIgroup menu.Make sure that the CD-ROM drive can playaudio CDs correctly.If the computer has a SCSI CD-ROM drive,choose the SCSI CD-ROM Play test on theSCSI menu.If the computer has an ATAPI orIDE CD-ROM drive, choose the CD AudioTest on the IDE menu.Video problemsVideo display problems. Run the Video Memory test on the Videomenu.Make sure the video display attributes(blinking, bold, and reverse video) memoryare operating correctly.Run the Attribute test on the Video menu.Make sure text displays correctly. Run the 40x25 and 80x25 Display tests onthe Video menu.Make sure graphics display correctly. Make sure the correct video drivers areloaded. Run the Video 320x200, 640x200,640x350, 640x480, and Color tests on theVideo menu.Make sure Super VGA graphics displaycorrectly.Run the VESA Video Mode and VESA VideoMemory test on the Video menu.Serial port problemsA mouse attached to a serial port does notwork. A device attached to a serial portdoes not work.Run the Serial port test on the Misc. menu.