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4. Troubleshooting
case, setup the BIOS according to your system environment.
→ Press <F2> to enter the BIOS SETUP.
→ Check if the date and time are correct in the BIOS SETUP.
→ Save the settings and restart the system.
20. The 'CMOS Checksum error' message appears.
→ This message may appear when the CMOS battery of the main board is completely discharged.
In this case, replace the battery with a new one of the same type and set up the BIOS SETUP
according to your system environment.
21. Windows boots up in safe mode.
→ This may happen when Windows was not shut down normally. Therefore, shut down the system
by selecting Start > Turn Off Computer.
→ This may happen when the system settings have been incompletely recognized.
→ Run Check Disk.
22. I cannot boot up the computer with a USB floppy drive or from USB memory.
→ Check if the diskette is bootable.
→ This may happen when the booting priority of the device is low. In this case, change the
booting priority in the BIOS SETUP.
◆ When shutting down the computer
23. The computer is not shut down
→ If Windows does not end normally, you can forcibly shut down the system by pressing the
Power button. If the power-saving feature is activated on the Power button, press the Power
button for more than 4 seconds to turn the computer off. If the computer is then turned on again,
Check Disk is automatically run.
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