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Re: The Computer sometimes doesnt boot up?
Do you have any pci device inserted on your motherboard, also check by removing the device, if this also not helps you, clear the BIOS, if this also not helps you , then its the fault of the motherboard, take it to the technician
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From the description you have given, I would suggest that you re-install the operating system(Windows) make sure you save any thing on the computer that you can't live without. (Music, photos and videos). You will need to do a format of the hard drive. As you may have an unknown piece of malware or just a badly corrupted operating system.
Dear, Did this situation come with any beep sound. Because, most of the time, in this situation; the computer beeps. Here are some codes. Check if any of these condition apply to your system.
No Beeps Short, No power, Bad CPU/MB, Loose Peripherals One Beep Everything is normal and Computer POSTed fine Two Beeps POST/CMOS Error One Long Beep, One Short Beep Motherboard Problem One Long Beep, Two Short Beeps Video Problem One Long Beep, Three Short Beeps Video Problem Three Long Beeps Keyboard Error Repeated Long Beeps Memory Error Continuous Hi-Lo Beeps CPU Overheating
Open the cpu cabinet cover then clean motherboard and parts.
Reconnect RAM memory.Pull cmos cell from motherboard for 10 minutes then put it back reconnect both connection to harddrive.Make sure motherboard is not ground with cabinet cover.
Reconnect pci card if any.
Let me know if you need further assistance.
Thanks for using FixYa.
Hi.first pull-out your motherboard in the CPU case then power on without memory only processor installed.if you hear continuous beeping your motherboard is working good. try this beep code means.
No beep means short,no power,bad CPU,loose peripherals. One beep means everything is normal running motherboard. Two beep means CMOS error IC. One long beep,one short beep means motherboard problem. One long beep,two short beeps means video card problem. Three long beeps means keyboard error. Repeated long beeps means memory error. Continuous hi-lo beeps means CPU overheating.
this problem occurs if your computers cooling is not as its necessary to be.try useing it with an open cabinet and see if the problem persists. if the problem still persists remve ur CPU fan and place some heat sink fluid and place it back on the cpu. then all your problems should be gone. use a good antivirus to check for any viruses before this(just in case)
When you say that the CPU doesn't work, what happens exactly? Does it not power on OR There are beep sounds heard OR there is an error on screen that you would like to share? OR ...
Assuming that the machine is not powering on at all .. here are few checks that you would like to perform...
There is a toggle switch (Voltage selector) at the back of the computer on the power supply unit, just besides where you connect the power cable .. make sure that appropriate voltage is selected.
Try connecting the computer to a different wall socket.
If computer is connected through the Surge protector or UPS then try connecting it directly to the wall socket.
Try using a spare power cable if available.
Remove all other connections apart from Power supply, keyboard, mouse and monitor and see if that makes any difference.
Remove the power supply cord from the back of the computer and press and hold the power button for few seconds .. this would drain the accumulated power from the CPU components .. now reconnect the power supply and see if that makes any difference..
Open the chassis and see that couple of wires run from behind the power button on the CPU to the big circuit board (Motherboard) .. make sure that the wires are properly secured.
Perform these basic checks and let me know and I would glad to assist you further.
There are a few things you can try, the trouble shooting doesnt necessarily have to follow in this order. Best thing I can suggest is try re-seating the processor, and if that is the only stick of RAM you are using see if you can find another to test with. If it still doesnt work after either of those, you might have to try a different processor. Granted, this is if you have those parts on hand. If you still are unable to even get a POST beep, then I would also try snatching the CMOS battery, unpluging it and then hitting the powerbutton reset the CMOS to default settings. If it still doesnt work after you get back then there, then I would snatch every removable piece of hardware from the board down to just the processor/heatsink/fan, memory, and PSU. If you get a POST beep after that, then try adding one piece of hardware at a time until you find the problem piece. If it still doesnt work then there is a pretty good chance that the board is dead.
There could be a number of causes. Do you hear any beeps when the computer starts up?
Try seating all the chips in the motherboard. That means, apply pressure to each individual chip on the motherboard with your finger or thumb. The goal is to make sure each chip is securely attached to the board.
Sometimes, heat or new h/w installs partially "pop" some of the chips out of the motherboard - causing the circuitry to be disconnected...