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Hp pavillion desktop computer stopped working. it will not come on. the power light comes on, the fans are running but it will not load anything. does anybody know whats going on with it?

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If the Bios does not come on at all then it can be either the video card or the motherboard, put in a new video card to test (if integrated video then you may or may not have to disable the onboard video - depending on the motherboard). If you get Bios but no further then it is also definately the motherboard issue and you will have to swap the motherboard. If you swap the motherboard you will probably have to repair windows, if you are unlucky and have to re-install (not repair) windows you will have to reinstall the programs that you normally would use on your computer (so have the disks available). Hope this helps, Best Regards, -md

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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MY PAVILLION WILL NOT COME ON AFTER PRESSING THE BUTTON.


1) HP Pavilion 745n Desktop PC is dirty inside. Power unplugged from computer, Anti-Static Precautions -> FOLLOWED, use a can, or two of compressed air for computers, and clean. (Especially the processor heatsink fins, and processor fan)

2) Also replace the Power Supply.

Before doing so suggest performing the simple test to see if the problem is the Power On button, or Power Supply. Test voltages coming out of Power Supply with a multimeter, or use a KNOWN to be good, Compatible power supply for a test unit, borrowed from a working computer.

Need guidance with the above post back in a Comment.

http://h10025.www1.hp.com/ewfrf/wc/product?product=296688&lc=en&cc=us&dlc=en&lang=en&cc=us

Regards,
joecoolvette

Nov 23, 2012 | HP Pavilion 754n PC Desktop

1 Answer

Computer will not come on loud sound from pavillion repeats it self. The fans will spin and the blue light on pavillion comes on. moniter screen will not come on the power light is on


On some computers, when you turn it on, the fan starts to run at 100% of its speed, i.e., very noisily.
Then, when it is detected that the computer is functioning, and _not_ over-heating, the fan will slow down, and quiet down.

So, what is the nature of the "loud sound" ?
Continuous? Beeps, in some pattern?

Take the computer to a qualified technician, for better trouble-shooting.

Jun 09, 2010 | HP 417035-001 - HP Pavilion dv2000 Series...

1 Answer

Solution for ''hp computer a6020a wont turn on after two months packed away'' it worked fine then went away for two months and now will not turn on has power but no blue light and nothing happens all fans...


HP has been really great with my pavillion desktop and its out of warranty and they still help me with the issues and help me solve them it may take a while to get it taken care of you may have to emial back in forth to get your promblem taken care of. Here is the email support that you can try just provide the modle number and the serial number that should be located on one side of the computer or on the bottom of the tower, and Good Luck!
PAVILION_SUPPORT_EN@MAIL.SUPPORT.HP.COM

Jan 06, 2010 | HP Pavilion a6000n (882780985018) PC...

1 Answer

The power on my desktop comes on but not my monitor


If this a desktop instead of the HP Pavillion dv9000z, unplug EVERYTHING wait 1minute and plug back in. if this does not solve the problem than u need to open up the case.

Nov 15, 2009 | HP Pavilion dv9000z Notebook

1 Answer

Hp pavillion media center a 1540n motherboard.....computer cpu fan runs, power supply runs, when i hold the switch it won't power-down unless i un-plug computer....no video (not even bios) does this mean...


Hello!

Try clear cmos, if the motherboard bad you must wait so long, maybe you can turn on computer, and they can work perfect, but when you turn off computer on power suply, you can´t again turn on computer.
If this so you have trouble with motherboard.

Oct 30, 2009 | HP Computers & Internet

1 Answer

On HP Pavillion 512n - When I plug the computer in only the fans work and the light on the switch is on. There is no drive sound and nothing on display. Is it a motherboard problem or power supply problem?


first thing is to check RAM. Some times faulty RAM stops computer to load up and don not display anything.....if the problem persist try to change cmos battery>>> if problem still there then go for supply check>>>>last comes motherboard........

Sep 25, 2009 | HP Pavilion 512n PC Desktop

1 Answer

I have an hp pavillion 1110n and the cooling fans very seldom ever stop, even after cleaning all dust and the room temp. is normal.


this is a desktop computer yeah? if so the fans should never stop if they do you have a problem, the fans should only come on and off in a laptop

May 08, 2009 | HP Computers & Internet

1 Answer

HP Pavillion a1220n stopped printing


Most companies don't offer driver support for XP anymore, it's 2017, time to upgrade to atleast Windows 7 now.

Mar 21, 2017 | HP Pavilion a800n (PP163AA) PC Desktop

1 Answer

RE HP Pavillion ZE4800 Laptop When I switch on I here the fan start, the lights come on then it appears to shut down and re attempt to start again This occurs over and over and the PC never boots fully....


I have same notebook and similiar problem. Mine runs for 30 min then shuts off completely in like 20 seconds. I added a $10 usb powered laptop cooler pad and bingo, runs now for hours no problem. On all computers I know the cpu heat temperature has a threshold, if it goes too high it will shut off. I think my fan doesn't kick on fast enough to lower the temperature and cool the processor. On yours it may be a fan that doesn't work or is working at the wrong time and the circuit shuts off the system. Shouldn't be terribly expensive maybe $60 to repair from a good technician..good luck

Aug 15, 2008 | HP Computers & Internet

1 Answer

No mouse,no keyboard, and no monitor?


try to connect it with other keyboard,mouse and monitor....if they will run, the keyboard,mouse and monitor may be defective or damaged..but if they did not run properly,,
maybe somethings wrong wit your unit...
try to connect it first and see whats the result...
please tell me what are the results...
you may post it here...



chaw

Jun 17, 2008 | Computers & Internet

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