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Unable to access my computer

I took the cover off to vacum the dust out of it and then hooked everything back up and it was kind of fuzzy so i restarted it a few times the same thing happened so I opened it back up and made sure nothing was loose plugged it back up and it does the windows startup, shows bios and then goes to the screen were you can start it in safe mode, normally ect it will not let me choose it times out goes back and does the same thing as listed above (cannot get past that step)

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Your cpu might be loose your heat paste may be removed

Posted on Jan 22, 2009

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Remove fan dell optiplex gx520

Hi I have a Dell had it for several years I try to vacume it inside and out to keep the dust down if you look at the rear air vents they will be covered with dust this will make it burn out , Now to replace the fan first of all you should have a Ground bracelet, you can get this from Radio shack about $4 or so you attache dit to your wrist and to the fram , of the PC unplug unit open the cover the fan is in the rear of my unit but yours could be any where I am sure they are all different , it should have numbers on it to make the ordering easy , Oh you need this bracelet incase you have any static electricity this will destroy your unit and you will need more then a fan , just take your time i just change a power pack it took me 15 mins good luck

Dec 08, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

I have a hp pavilion a177c desktop. i opened the case to replace the SATA harddrive and SATA dvd rom and cmos battery. also cleaned out all the dust i could see(which was almost none). after hooking...

You don't say how you cleaned the motherboard. It only takes a small knock or static spark to kill electronics. PCI and I/O control is done by a chip on the motherboard and if this is fried you will need a new motherboard. The only way to check is with specialist hardware. take it to a computer repair specialist ( not PC world- too expensive) the cmos battery shouldn't have needed replacement after a maximum of 5 years. I have batteries that have lasted over 20 years. incidentally if you have replaced the cmos battery you would have to setup the bios again anyway.

Apr 04, 2011 | HP PC Desktops

1 Answer

Hp 873n desktop opened case to clean, was very dirty (alot of dust bunnys) unpluged and took outside to blow it out with canned air cleaned all fans and entire case pluged in all and fired it off and got 1...

Wow...did you use a vacume anyware near the mother board? the static on the end of a vacume hose is REALLY BAD NEWS TO A MOTHER BOARD.

Try to reseat all cables and plug's. try to boot again.

If that doesn't work try this.

Remove all PCI DEVICES. Try to boot with just the power cable... bare bone mother board....will it post?

If not remove the board from the case...try booting again...if she doesn't boot ast this point , the board took a static hit...she's toast...sry..:)

Please leave feed back


Feb 23, 2010 | HP Media Center PC 873n (P9875A#ABA) PC...

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First thing i would check would be to see if the inside of your computer has a dust accumulation, or the CPU fan and or heat sink are clogged with dust, this will also cause shutdowns because the computer is designed to shut down if the CPU gets too hot.
With the computer off and unplugged-----
I would check the back of the computer where the exhaust fan is for the power supply to see if the fan blades are dirty. A little dirt is normal.
Remove the side access cover on the case and see how dusty it is. If there is a lot of dust would recommend having this cleaned, or using compressed air to clean it out. (best done outside in an open area lol)
If it is clean, i would recommend plugging everything back in, but leaving the side cover off, make sure that the CPU fan is spinning. if it is making any odd noises (other than the normal fan whine) or if it appears to stall, it would be best to have this replaced.

If you have added any extra hard drives, dvd drives, or PCI/PCI express addin cards, these all consume power and can overload a system if the power supply is not rated to handle the power that is being drawn from it. This can also cause shutdowns

If everything checks out, i would start to suspect a system board issue.
a BIOS reflash may resolve this but if you arent familiar with how this is done it would be best to take it to a shop, or have someone you know that is computer saavy perform this for you. its nothing complicated to do this.
If a BIOS reflash doesnt solve this, then without being able to look at it, i would have to suspect a failing motherboard.

hope this helps, and if i have helped you please dont forget to rate.

Feb 15, 2010 | E-Machines eMachines Desktop PC

1 Answer

Desktop will not load up

The computer should be fine, make sure there is no dust covering the fan or inside the computer. If not you can use the recovery disc that came with the computer, or a Windows XP cd to fix your installation, if that is the problem.

Aug 13, 2008 | HP Pavilion a1010n (PS563AA) PC Desktop

1 Answer

No signal converter box.

Why is this in the computer section?

Anyway, don't exchange the box just yet! First, can you access the converter's menu? Because mine automatically comes up with the "no signal, call customer service" message, but I can access the menu fine -- so the hook-up is not the problem. If you can access the menu, let it autosearch for you, because mine can't be used until I do this. If you get the "weak antenna signal message", refer to the user manual to find out how to check your antenna signal strength; if it's in the weak range, you have to buy a better antenna, most likely from the official source:

You can always exchange the box and repeat the process. Getting the "no signal" message is a good indicator that you've hooked everything up right, especially if it's accompanied by a customer service number. You can email me at and I'll try to help you troubleshoot the problem if you like. I'm up all night.

Jun 25, 2008 | PC Desktops

1 Answer

Gateway PC Powering up trouble

When you are cleaning the computer some jumpers may have to check the mother board to any jumper removed.check the power cable removed

Apr 21, 2008 | PC Desktops

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