How Can You Tell if a Motherboard Is Shot?
Computers use motherboards as the central connection point for its peripherals. The motherboard is responsible for accepting all of the data input and routing the processed data to the proper output. For example, when you press a key on the keyboard, the motherboard accepts the keyboard's input and sends it to the proper output, such as a text document displayed on the screen. You can tell if a motherboard is shot and no longer working by performing different troubleshooting methods.
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Instructions
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Reseat or replace the memory. Most symptoms of a motherboard being shot are actually issues with the computer's RAM. First try reseating the memory, then try replacing the memory. Reseating the memory involves removing the memory from the memory slots by pushing open the plastic retention clips and then completely removing the memory from the slot. Then, reinsert the memory into the slot and push until the plastic retention clips snap into place.
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Test the power supply if the computer does not power on. If the computer does not power on, the issue could be with either the motherboard or the power supply. Use a power supply tester to verify the status of the power supply. If the power supply is in working order, the motherboard needs to be replaced.
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Turn on the computer and note any unusual activity, such as multiple beeping sounds. Many motherboards produce a specific number of beeps depending on the faulty condition. The motherboard user's manual should detail the meaning of each beep code. Some motherboards produce one or two beeps indicating normal operation, however most motherboards produce three or more beeps to indicate a problem.
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View reported errors on the screen. Some motherboard issues do not prevent the computer from completing a Power On Self Test, and will instead display some form of error message or code on the screen. For example, if no keyboard is detected, this may be a problem with the keyboard itself or the keyboard port on the motherboard, but a message displaying this condition should be viewed on the screen before the boot process.
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Tips & Warnings
If the motherboard must be replaced, you must choose one that will use your existing CPU and RAM. It may be more cost effective to upgrade the entire system.
