Error messages DescriptionKEYBOARD CONTROLLER FAILURE For external keyboards, check the cable connection. Restart thecomputer, and avoid touching the keyboard or the mouse duringthe boot routine. Run the Keyboard Controller test in DellDiagnostics.KEYBOARD DATA LINE FAILURE For external keyboards, check the cable connection. Run theKeyboard Controller test in Dell Diagnostics.KEYBOARD STUCK KEY FAILURE For external keyboards or keypads, check the cable connection.Restart the computer, and avoid touching the keyboard or keysduring the boot routine. Run the Stuck Key test in DellDiagnostics.LICENSED CONTENT IS NOT ACCESSIBLE INMEDIADIRECTDell MediaDirect cannot verify the Digital Rights Management(DRM) restrictions on the file, so the file cannot be played.MEMORY ADDRESS LINE FAILURE AT ADDRESS, READVALUE EXPECTING VALUEA memory module may be faulty or improperly seated. Reinstall thememory module or, if necessary, replace it.MEMORY ALLOCATION ERROR The software you are attempting to run is conflicting with theoperating system, another program, or a utility. Shut down thecomputer, wait for 30 seconds, and then restart it. Run theprogram again. If the error message still appears, see the softwaredocumentation.MEMORY DOUBLE WORD LOGIC FAILURE AT ADDRESS,READ VALUE EXPECTING VALUEA memory module may be faulty or improperly seated. Reinstall thememory module or, if necessary, replace it.MEMORY ODD/EVEN LOGIC FAILURE AT ADDRESS, READVALUE EXPECTING VALUEA memory module may be faulty or improperly seated. Reinstall thememory module or, if necessary, replace it.MEMORY WRITE/READ FAILURE AT ADDRESS, READVALUE EXPECTING VALUEA memory module may be faulty or improperly seated. Reinstall thememory module or, if necessary, replace it.NO BOOT DEVICE AVAILABLE The computer cannot find the hard drive. If the hard drive is yourboot device, ensure that the drive is installed, properly seated, andpartitioned as a boot device.NO BOOT SECTOR ON HARD DRIVE The operating system may be corrupted, Contact Dell.NO TIMER TICK INTERRUPT A chip on the system board may be malfunctioning. Run theSystem Set tests in Dell Diagnostics.NOT ENOUGH MEMORY OR RESOURCES. EXIT SOMEPROGRAMS AND TRY AGAINYou have too many programs open. Close all windows and open theprogram that you want to use.OPERATING SYSTEM NOT FOUND Reinstall the operating system. If the problem persists, ContactDell.OPTIONAL ROM BAD CHECKSUM The optional ROM has failed. Contact Dell.SECTOR NOT FOUND The operating system cannot locate a sector on the hard drive. Youmay have a defective sector or corrupted File Allocation Table(FAT) on the hard drive. Run the Windows error-checking utility tocheck the file structure on the hard drive. See Windows Help andSupport for instructions (click Start > Help and Support). If a largenumber of sectors are defective, back up the data (if possible), andthen format the hard drive.SEEK ERROR The operating system cannot find a specific track on the hard drive.Troubleshooting your computer 41