Motherboard is also known as system board or logic board
which holds the crucial components of the computer like CPU. It includes RAM, sound
card, video card, network card, hard drives, TV tuner card,
USB or firewire
slot and so many other custom components. It also provides the connectivity to
all the standard peripheral devices like keyboard, disk drive, display device etc.
Now you can understand if our computer is not working then
problem may be anywhere. So it is a tough job to locate the problem. Here are
some common problems of motherboard –
- It does not show the mouse when you reboot or re-install your computer setup: This problem occurs due to the incorrect CMOS settings. To solve this problem you have to go into CMOS settings and then there is a one item called modem use interrupt request. The default value of this item is 3, you have to change it into other value except 3.
- New CMOS Battery: It continuously owing the motherboard under a voltage so some important settings (CMOS) could not be lost. It also maintains date and time of the computer.
- Refrigerator not cooling (both fans running compressor off): if both the fans are running but compressor is not then there is problem with your motherboard. In this situation you have to unplug the refrigerator and remove the start relay and shake it. If your problem is not removed yet then check the solder joint of refrigerator backside of the motherboard.
- COM port is not working: if your mother board’s COM port is not working, it usually happens due to hot plugging of your relevant hard ware. You need to firstly disable the COM port before attaching the new hardware. Sometimes you even need to disable the Integrated Device Electronics port.
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