For motherboard repairing , it is necessary that you must first understand what are the main parts of a computer motherboard. The computer motherboard is located inside the computer cabinet . The computer motherboard consists of microprocessor, chipset and BIOS(basic input ou put system).The microprocessor used in motherboarddeside the type of central processing unit(CPU). The chipset of the computer motherboardconsitutes of two bridges: north bridge and south bridge.These bridges controles the flow of data of yhe computer.The basic function of the computer is controlled by the computer BIOS. A real time clock is also another major component of the computer motherboard.
Trobleshooting a Bad motherboard :
There are many bad motherboard signs: It is necessary that you identify the correct cause of your bad motherboardto repair it.The most common cause of a bad motherboard are always relelated to cabling and connections. The first thing to check is whether the screen is live or dead. If the screen is dead follow the steps given below.
- Formost, check whether the fans and lights on the motherboard are in working conditions. also, check whearher the system is turning on or not. If all these signs are encounterd, it indicates that you to troubleshoot power supply of your desktpo computer.
- If the powersupply is working fine , the next step is to troubleshoot the video. A video failuremay lead to a dead screen , which may be mistaken as failure in the power supply.
- The next step after a negative result of a video failure trobleshoot is to check whether the RAM is inserted in the given slots properly.
- Improper insertion of the RAM modules must be checked. If the RAM positioned properly and even then your conputer is not working , change the RAM.
- The next step is to be followed,if the RAM is positioned and working properly, is to check that the cpu is inserted in its sockets properly or not.If the possible that one of the CPU leads is not inserted in the socket properly.This case is possible when you have upgraded your CPU or installed a new one.
- If you find no fault in the CPU connection ,The must be powered by connecting the correct power point on the motherboard, to connect the BIOS to the computer moniter.
- Restore the mother board settings to default, lastly if any of these steps are not the reasons for your motherboard failure, replace the CPU.