Question about Dell Dimension 4400 PC Desktop

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Sound my computer is completely void of sound.

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Re: sound

Go to Start>Run, then type 'dxdiag', hit enter and let windows run a diagnostics on sound and video, it may be a driver problem

Posted on Jan 28, 2007

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Brower shut down

Sounds like you may have malware on your computer. You can download a free scanner at

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Monitor wont recieve signal from computer aspire m3641

Your Acer Aspire computer system is not POSTing, or passing the Power On Self Test.

Claim warranty support before trying the following as opening the chassis in some cases voids current warranty.

Open the side panel of the computer chassis and remove the RAM modules. Clean the gold fingered connectors of the RAM modules with tissue paper. Once completed clean the actual RAM slots/dimms on the mainboard. Carefully use a vacuum cleaner.

Reinstall the RAM modules in the correct orientation. Power on the computer system.

Also see my published guides for more detail and further solutions as posted below:
My Computer is not turning on!!! Is it dead!!! No POST!!!

Take care!

Jul 25, 2011 | Acer Aspire M3641 Dual Core E2200 PC...

1 Answer

How do we void a void?

If you void a void, that is the same as re-entry. Just sell the product again and you have reversed the void

May 20, 2011 | Casio Parts Cash Register PC Desktop

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Just got a new computer windows 7 - monitor has power but no computer signal

Take it back - if you don't get any signal, not even from the BIOS, then it's a hardware fault. Don't try to fix it yourself, you would void the warranty.

Dec 28, 2010 | PC Desktops

1 Answer

May computer is about two months old. Everything works fine except the sound. When you listen to something music or talking it makes a buzzing noise then continues on for a bit longer sounding good , then...

Your computer with your speaker is under warranty. Have your pc and your speaker check and replace by your reseller. Doing anything with your pc right now will make your warranty VOID.

Sep 12, 2010 | E-Machines eMachines Desktop PC

1 Answer

Should my fan run all the time on desktop dimension

Yes, the computer case fan, and the Power Supply fan should run constantly.

If this is in reference to a Dimension 5150, there is one computer case fan in the front. This fan pushes air through a plastic tuned port, (Shroud), onto the Heatsink, which sits on top of the Processor.

The above link is to Dell Support, and the Service Manual for the Dimension 5150.
Technical Overview shows the inside of the computer.

Processor's have a thermal limit. Once they exceed this thermal limit, or temperature, the Processor turns off. (BIOS turns it off)
This is a Fail safe feature built-in to keep the Processor from burning up.

Desktop computer fans run all the time, unlike laptops.
However the fans should not run at full speed all the time.

If your desktop computer fan sounds like a 'jet engine' constantly, there may be internal hardware problems, for one.

1) It may be that the thermal paste has dried up.

The top of a Processor's case, and the bottom of a Heatsink are not perfectly smooth.
There are 'Pits, Hills, and Valleys'.

The above mentioned imperfections cause a void. This void is an air pocket.
Air is an Insulator, not a Conductor.

Thermal paste fills these voids, and is an excellent conductor of heat. Transfers the heat from the top of the Processor's case, to the bottom of the Heatsink.

Example of a typical Heatsink/Fan combo,

The Heatsink is the finned aluminum looking object under the fan.
(The Dimension 5150 does not use this kind of Heatsink/Fan setup. I included the link to show a typical Heatsink. The front computer case fan, pushes air through a plastic shroud which encases the Heatsink, in a Dimension 5150)

Solution is to Thoroughly clean the top of the Processor's case, and the bottom of the Heatsink, and correctly apply fresh, new thermal paste. (Average cost of thermal paste for this application is $6)

Observe Anti-Static Precautions!]

2) If the inside of the computer is dirty, as well as the inside of the Power Supply, this will also cause the cooling fan/s to race at high speed.

Solution is to use a can, or two of compressed air for computers, and clean the inside of the computer, (Especially the fins on the Heatsink), and the inside of the Power Supply.

[Again, observe Anti-Static Precautions]

Sep 12, 2010 | Dell Dimension 5150 (DIM515MIN) PC Desktop

2 Answers

My parents have a new HP computer with Vista. The computer is about 6 months old. Well earlier today my moms USB camera wasn't being picked up like it usually is. So she restarts the computer going to...

The hard drive has failed.
Return to HP for free warranty repair.
You should not attempt to repair, or you would void the remaining warranty.

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2 Answers

Cannot run Maya in vista operating system in HP dv 6910 laptop

Contact Microsoft. I know they will send out new computers with XP but only by request. You're going to send it in and be without it for awhile.

If, and that's a big if, Microsoft does it.

If not, you need a SATA drive to copy all your data, and then get an XP boot up disk to overwrite your vista OS.

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1 Answer

I have a dvd-cd-rw from my old computer & want to put it in my new gateway.Will that void the 1year warrenty? And I have an analog camcorder and want to find out about a tv tuner card

Only gateway can let u know if it will void the warranty. Check there policy on upgrades in your warranty information first, if you area skilled tech i don't think it will be a problem but if u have no expirence leave it to the pros

Aug 04, 2008 | Gateway GT5220 PC Desktop

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