63Error messagesIf you receive an error message, note the message and take thecorrective action. The following table lists the error messages inalphabetical order together with the recommended course of action.If you still encounter problems after going through the correctivemeasures, please contact your dealer or an authorized service centerfor assistance. Some problems may be solved using the BIOS Utility.Error Messages Corrective ActionCMOS Battery Bad Contact your dealer or an authorized servicecenter.CMOS Checksum Error Contact your dealer or an authorized servicecenter.Disk Boot Failure Insert a system (bootable) diskette into the floppydrive (A:), then press Enter to reboot.EquipmentConfiguration ErrorPress F2 (during POST) to enter the BIOS Utility;then press Esc to exit and reconfigure thecomputer.Hard Disk 0 Error Contact your dealer or an authorized servicecenter.Hard Disk 0 ExtendedType ErrorContact your dealer or an authorized servicecenter.I/O Parity Error Contact your dealer or an authorized servicecenter.Keyboard Error or NoKeyboard ConnectedContact your dealer or an authorized servicecenter.Keyboard InterfaceErrorContact your dealer or an authorized servicecenter.Memory Size Mismatch Press F2 (during POST) to enter the BIOS Utility;then press Esc to exit and reconfigure thecomputer.