1-22User’s GuideTable 1-11 System Error Messages (continued)Error Message Corrective ActionKeyboard Interface Error Contact your dealer.Keyboard Locked Unlock the keyboard.Memory Error Check SIMMs on the system board.Contact your dealer.Memory Size Mismatch Run Setup.Serial 1 Conflict Run Setup.Disable Onboard Serial 1.Serial 2 Conflict Run Setup.Disable Onboard Serial 2.Parallel Port Conflict Run Setup.Disable Onboard Parallel Port.Pointing Device Error Check or connect the pointing device.Contact your dealer.Pointing Device InterfaceErrorContact your dealer.Press F1 key to continueor Ctrl-Alt-Esc for Setup Press or .Press Esc to turn offNMI, any key to reboot Press to disregard NMI error.Press any key to reboot the system.Protected Mode Test Fail Contact your dealer.RAM BIOS Error Contact your dealer.Real Time Clock Error Run Setup.Shadow RAM Fail Contact your dealer.System Memory AddressErrorCheck SIMMs on system board orcontact your dealer.1.12.3 Correcting Error ConditionsAs a general rule, the "Press F1 to continue" error message is causedby a configuration problem which can be easily corrected. Anequipment malfunction is more likely to cause a fatal error, i.e., anerror that causes complete system failure.