HP Black Pavilion p6-2143w Desktop PC with AMD Quad-Core A6-3650 Logo
Anonymous Posted on Dec 27, 2012

No post reinstalled windows, downloaded drivers (including bios update) and installed. reset computer, no post. unplugged hard drive, cd rom, and video card was taken out. only plugged in monitor and power. no post. no beeps. took out ram - got one long beep. tells me mobo is booting but the upgrade does not allow monitor to post data. took out cmos, decharged power supply, ran, turned off reinput cmos and restarted. no post. assuming i need to factory reset the motherboard. any help is welcome before i ship this to hp. i would like to test all possible solutions. matthewb@contractor.net

  • Anonymous Dec 27, 2012

    tried to do jumper reset but was unable to accurately and adequately use them to reset, unsure if i did this correctly. is there a ROM_recovery? how do i do this?

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Anonymous

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  • Master 2,427 Answers
  • Posted on Dec 29, 2012
Anonymous
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Is not the monitor, its the graphics driver for the windows. you can boot it in safe mode and try to remove the drivers but that seldom works.. The solution is to reformat it again this time DO NOT INSTALL THE GRAPHICS DRIVERS let the system use the windows default.

5 Related Answers

Anonymous

  • 40 Answers
  • Posted on Dec 16, 2009

SOURCE: Hp Pavilion a350n shutdown and will only boot up to a blankscreen

I assume by power is good you mean when you press the power button on the pc it spins up.

1) unplug all the components such as hard drive, floppy and USB from the motherboard.
(so you should only have the VGA, monitor and motherboard with RAM and CPU.) turn it on and see if you get a screen. if you don't there is possibly a problem with the motherboard.

if you do get some display on the screen 2) switch off and plug in one component at a time and then switch back on. if it works turn it off and plug in the next component and turn it back on. repeat until you find the faulty component that cause it to not turn on.

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sparky1500

Matthew Spark

  • 1066 Answers
  • Posted on Dec 27, 2009

SOURCE: Computer died - will not reboot - even to show system bios.

motherboard or cpu failure. or possibly power supply.

Anonymous

  • 32 Answers
  • Posted on Jan 03, 2010

SOURCE: My HP Pavilion 753n starts to be and then

It is the power supply
In hp the power supply they use does not die on you completely; it will start but not feed the computer.
So change it to generic brand and every thing will work fine.

Anonymous

  • 1768 Answers
  • Posted on Jun 23, 2011

SOURCE: Computer boot sounds normal. But

1. this sounds like a failing mother board.
2.Needs replacement.

Anonymous

  • 36 Answers
  • Posted on Apr 16, 2012

SOURCE: I have no video and no POST.

I have had the same issue several times and we have at work had to call out a HP engineer.

They replaced the motherboard every time, every screw, nut and bolt.

Takes them an hr but it works after this.

Is the laptop under warranty ?

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