Samsung R530, Service Manual

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4-18
4. Troubleshooting
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R530/R730
2. Check the connection status of Heat sink.
Screw fixation 6EA (Ref. chapter 3)

3. Check the connection status of FAN.
4. Replace FAN. Check if it is out of order.
5. Replace Main Board. Check if it is out of order.
Other symptoms
When booting up the computer
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.
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.
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.
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.
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.