How To Fix Computer Making beeping sound on startup

Fri, 15 Jan 2010 13:28:08 EST

Computer makes a beeping sound when switched on, the CPU and motherboardfans start but there is no display on the monitor. Even after restarting thesame problem occurs.

You are more likely to face this error , when you have notused the computer for a month or so, especially after certain seasons.

How to Fix it:

1. Try to find the cause of the error . When a computer is switched on, the hardware runs a power on self test (POST). If any errors in thehardware are detected in this test, they are indicated by audiobeeps or an error code is displayed on the screen. The sequence of beeps and error codes vary according to the manufacturer of the motherboard andshould be noted down for troubleshooting the problem..

2. Remove all the connectors for the mouse, keyboard, display and powercable from the CPU. Then remove the cover of the CPU. For most modelsof desktops, there is a single cover, which can be easily removed byhand, even without a screwdriver. For assembled computer the layout may maketroubleshooting difficult.

3. If you have not used the computer for a long time, there is likely to bea lot of dust on the motherboard. Remove the dust using compressed air.This is recommended by most troubleshooting guides on the internet , butcompressed air is not available in most hardware stores in othercountries. Instead, use a thick paint brush. The CPU and power supply fanwill have the most dust.

4. After removing all the dust, plug back all the connectors and restart thecomputer. If the beeping sound persists, open up the computer again.Check if all the dust is removed.

5. Remove the RAM from the memory slot, remove all the dust and reseatit again. Remove all dust from the computer slot also, so that proper contactis made between the RAM card and the PCB. Take care to ensure that the memoryis fixed properly, else you could face a problem again.

6. In most cases, the problem is solved at this stage. If it stillpersists, a part may have got damaged, so you may have to get replacementparts according to the diagnostic code.. In most recent model computers, mostof the components are soldered onto the motherboard, so instead ofrepairing a part, it is better to get it replaced.

7.Install or Run antivirus

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How To Fix Computer Making beeping sound on startup