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The Computer sometimes doesnt boot up?

It has the power, the CPU is working but there is no screen and no beep.
it it occurs just sometimes. I have changed the RAM and Power but the it didn't solve the problem.

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  • PC Desktops Master
  • 1,250 Answers

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

Posted on Nov 16, 2008

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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.

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Computer will turn on but will not boot up


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

best of luck!

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My computer randomly will not power on. It doesnt work more than it does work. It will power on but will not fully boot up, monitor screen is blank and mouse does not power on. Light on front of tower...


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.

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I am running Unix Tru64 5.0 on Compaq Alphastation XP1000. The computer does not boot and does not display anything and does not beep. The power supply works and some LEDs are on on the logic board and the...


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.

Hope can help you.

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When pluged into outlet fans spins and doesnt stop, wont boot


Fan spinning hard is usually a CPU issue.
If you've made any hardware changes to your computer, undo them. This happened to me when I was trying to upgrade my Processor (CPU) and I had the wrong kind.

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Won't start - tested power supply - it is good - removed cards and drives still nothing. Board looks okay - no holes - canisters are flat - what next?


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Sep 01, 2009 | E-Machines T3085 PC Desktop

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My computer reboots without warning at different intervals


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.
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Aug 10, 2009 | PC Desktops

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Cpu doesnt work


Dear Zalrashdi20,
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...
  1. 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.
  2. Try connecting the computer to a different wall socket.
  3. If computer is connected through the Surge protector or UPS then try connecting it directly to the wall socket.
  4. Try using a spare power cable if available.
  5. Remove all other connections apart from Power supply, keyboard, mouse and monitor and see if that makes any difference.
  6. 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..
  7. 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.

Regards,
Srinivas

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1 Answer

PC doens't boot up HELP!


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.

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Emachines 1900+ gets power to the monitor and computer but wont boot


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