2. PC hangs due to defective POST Cache Memory.
3. CMOS Battery Fails
4. CMOS Checksum Error
5. DATA HEAD ERROR
6. HARD DISK CONFIGURATION ERROR
7. BIOS unable to find bootable media
8. TIME OR DATE IN CMOS IS INVALID
9. CMOS Related Symptoms
10. ADDITIONAL CMOS SYMPTOMS
1. BIOS ROM Checksum error - system halted
a. It indicates that the BIOS code in Bios chip might have become corrupt.
b. You will need to replace Mother Board BIOS before the system initialize
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2. PC hangs due to defective POST Cache Memory.
a. Do not attempt to enable the cache in your system.
b. Replace the cache RAM at earliest opportunity.
c. Until then, you might notice decline in system performance.
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3. CMOS Battery Fails 4. CMOS Checksum Error 5. DATA HEAD ERROR 6. HARD DISK CONFIGURATION ERROR 7. BIOS unable to find bootable media 8. TIME OR DATE IN CMOS IS INVALID 9. CMOS Related Symptoms 10. ADDITIONAL CMOS SYMPTOMS
a. As CMOS battery is no longer functional , there is need to replace it.
b. If you haven’t yet lost the contents in CMOS , take a
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a. Default loaded CMOS RAM has become corrupt.
b. This error might have been caused by a weak or faulty battery or its contacts.
c. Check the CMOS backup battery and replace it, if necessary.
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a. The diskette or hard disk drive that you are accessing can not read the data.
b. One or more sectors in HDD may be corrupted.
c. If you are using MS_DOS operating system , run the CHKDSK or SCANDISK utility to check the file structure of HDD.
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a. This is often caused by incorrect configuration in CMOS setup.
b. Auto detect the drive
c. If problem persists try to replace hard disk.
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Insert a bootable floppy diskette or bootable CD
OR
Switch to a good known bootable drive.
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a. This often happens under Win-95 (or other operating systems), which can “desynchronize” system clock .
b. Enter the CMOS setup utility and correct the date and time .
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a. Changes to CMOS are not saved after rebooting the system.
b. CMOS Mismatch Error.
c. The system boots from the hard drive.
d. Power-Management features are not available.
e. The system crashes or locks up frequently.
f. COM Ports don’t work.
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a. “Invalid system configuration data” Error
b. “CMOS Checksum”Error.
c. Only some CMOS setup entries are corrupted when running particular application.
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