Common Problems of Motherboard and The Solutions

1. There is a hank , Cause :

• Memory is not suitable > Replace the Memory 
• There is a virus on my hard disc > Scan your hard disc
• Over Clock > Setting back the clock processor 
• There are bad sectors on hard disc > Partition the hard disc properly 

2. The reading of data is slow , Cause : 

• Memory is not enough > Add Memory 
• Hard disk is full or there is a virus > Reduce the contents of the hard disc, scan the disc, or replace with a large hard disk capacity 

3. CMOS failure, Cause : 

• Battery discharged > Replace the CMOS battery  
• Changing the BIOS settings > Setting back the BIOS

4. Can't boot , Cause:

• Cache memory is damaged > Disable the external cache memory in the BIOS 
• Memory is not suitable. > Replace the Memory  Boot sector on the hard drive is damaged > Enter the new operating system 
• There are bad sectors on the track early hard drive > Partitioning hard drive 

5. Long beep repeatedly , Cause:

• Memory corrupted > Check the memory status 
• Memory is not suitable > Replace the memory 
• The memory slot doesn't go perfectly > Check the return status of the memory 

6. Good beep but no display or beep twice, Cause:

• VGA card corrupted > Replace VGA card 
• Slot VGA is not installed correctly > Check the status of the VGA

7. I / O disk error 

Cause: The system on my hard drive corrupted > Fix hard drive 


8. Floppy disc failure, Cause:

•  I / O broken > Replace the I / O 
• Floppy damaged > Check the floppy 
• Cable broken floppy > Check the floppy cable 
• Voltage power supply is not enough > Check the power supply voltage to the floppy 

9. Motherboard reset itself or can't boot 

Cause: Power supply is not normal > Replace power supply (with greater power) 
Motherboard dirty (dusty) > Clean it


10. Hard disc capacity is not normal 

Cause: Setting the jumpers I / O is not right > Check the jumper settings I / O disk 


11. On board is not the working, Cause:

• On board is damaged > Replace a card 
• Wrong setting on the board  > Check the settings on board

12. Display the layer there is a flashing letters or lines appear , Cause:
VGA card corrupted > Replace VGA card 





13. Mouse isn't working , Cause: 

• Mouse damaged > Replace the mouse 
• On board mouse defective >  Replace a card 
• Setting the mouse is not true > Recheck the mouse settings 
• Driver mouse is not suitable > Check the mouse driver 
• Mouse not detected > Set up the mouse again 
• Cable mouse is not suitable >  Match the mouse cable to on board 

14. Motherboard blank (no reaction at all) , Cause: 

• Bios damaged > Upgrade BIOS with the same type 
• Processor burning > Replace the processor 
• Broken-down Regulator > Replace the IC regulator 
• Chipset damaged > Replace the IC chipset 
• Reset IC damaged > Replace the IC reset 
• Broken clock ICs > Replace the processor clock ICs 
• Setting Jumpers over clock > Setting the clock
• Memory corrupted > Replace memory - Power Suply dead > Check the Power Supply 
• PC connector loose > Check the slot / socket PC