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WHEN I SWITCH ON MY DESKTOP COMPUTER , IT MAKES A BUZZING SOUND. THE FAN IS GOING BUT NOTHING IS SHOWING ON THE SCREEN.

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  • 34 Answers

Please check whether your cables are connected properly,if needed clean them.try your monitor to check with with your friend's computer.

Posted on Nov 26, 2008

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My HP A6400f pc has started to not want to turn on. It makes this wierd buzzing noise sometimes, monitor says video cable connected and then some times it wont even let me manually turn it of I end up...


Hi, mtmj8,

Can you tell whether the buzzing sound is coming from the power supply fan, the disk drive, or maybe an internal fan? I can't imagin it's the power supply fan, as the whole system would likely just cut out.

If it's an internal fan (CPU fan of graphics card), the system will come up to some random point before a component overheats, and usually the device will cut out in order to protect itself. You may be lucky and simply be able to replace the errant fan, or you may have to replace the component itself. Only if you feel confident enough, you may try to open the case and see if you can tell better which component is failing; take all precautions when operating a system with the case opened, and ensure that you do not touch any internal parts even while the power is switched off, as power supplies can retain a charge even when switched off and unplugged from the power supply.

If the buzzing sounds a bit "clunky", it may be your hard drive that's failing, in which case, the prospects for recovery are limited - you will probably have to replace it and reinstall the operating system and any software you have.

Peter.

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My dell dimention 9200 makes a buzzing noise and no show on monit


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Buzzing noise on boot up, about four buzzes. Monitor stays black, power light on machine stays on, and green, but nothing comes on the screen. Led on motherboard is orange.


The first thing to check would be the CMOS to see if there is a setting for "case intrusion" or something to that effect. Some computers have sensor that goes off the computer's side panel is opened. I believe this can be disabled in the CMOS and/or it's just a wire connected to the motherboard that can be disconnected.

It could also be an important fan, like the CPU fan, isn't spinning fast enough which may or may not lead to an over-heated CPU.

Also check to be sure all the memory sticks are firmly seated.

If it doesn't look like any of those it could always the the power supply. See if you can borrow one for a little while for testing purposes just to see if it works.

If none of those pan out I would say call Dell support and see what they say.

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Y acer aspire pc desktop is showing full battery, the fan is goin


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When I turn on my computer it does nothing but make a buzzing alarm sound about every 5 seconds. It doesn't go to the start up screen or anything.


Hi,
The buzzing alarm is a beep code which indicates a hardware problem.
Try removing the system memory and clean the brass contacts and the slots it goes into, then reseat the memory and try to boot again, the memory looks like this >>>>>>>

6348121.jpg

What you need is a soft, clean, dry paintbrush.
Remove the powercord from the back of the PC.
Start by removing the ram and clean the contacts with the brush, then clean the brass contacts, reset the memory and the powercord and try booting the computer.
If it still won't boot count the beeps and how long they are and post back here.


Regards.


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My computers hard drive makes a Buzzing noise


I would suggest you back up all your data as the hard drive appears to be failing. i presume you are certain it is coming from the hard drive and not a fan ?

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