Troubleshooting 8-7Table 8-1 POST Error Messages (continued)Error Message Corrective ActionMemory Size Mismatch Enter and then exit the System ConfigurationSetup in the Setup utility (pressing F2 duringPOST).Missing operating system Correct the HDD type and reboot. See thespecification label pasted on the back side of thenotebook or attached to hard disk drive.We suggest you set the HDD type to [Auto] forhard disk drive auto-detection.Non-system disk or disk error.Replace and strike any keywhen readyInsert a system disk in drive A, then pressEnter.Pointing Device Error Contact your dealer or an authorized servicecenter.Pointing Device Interface Error Contact your dealer or an authorized servicecenter.Protected Mode Test Fail Contact your dealer or an authorized servicecenter.RAM BIOS Bad Contact your dealer or an authorized servicecenter.RAM Parity Error Contact your dealer or an authorized servicecenter.Real-Time Clock Error Press F2 (during POST) to reconfigure thenotebook.Video RAM BIOS Bad Contact your dealer or an authorized servicecenter.If you still encounter problems after going through the corrective measures,please contact your dealer or an authorized service center for assistance.See sections 7.2 and 7.3.