Samsung P560 Service Manual page 172

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4. Troubleshooting
18. Bluetooth isn't work normally.
- Check the connection between Main board and Bluetooth cable.
- Check the connection between Bluetooth module and Bluetooth cable
When booting up the computer
19. The "Invalid System Disk. Replace the Disk and then press any key" message appears.
- This message may appear when the connected USB memory or CD media does not include bootable data.
- The "Reboot and Select the proper Boot device or Insert a bootable media in the selected Boot device and press a key"
message appears.
- Check if the signal and power cables are properly connected to the hard disk drive.
- Check if the hard disk drive is recognized in the BIOS SETUP.
- The operating system on the hard disk drive is corrupted. Reinstall Windows.
20. The "To enter BIOS SETUP, press <F2>. To continue, press <F1>." message appears.
- This may happen when the BIOS settings are different from the system environment. In this 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.
21. 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.
22. 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.
23. 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 compute
24. 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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