Question about HP Compaq Presario SR2150NX PC Desktop

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PC not recognizing monitors or keyboard

I have a Compaq Presario SR2150NX, one day it would not turn on the monitor, I tried another monitor, still nothing. It is also not recognizing the keyboard or mouse is plugged in. Is this a motherboard issue? How do you troubleshoot if the PC does not recognize a monitor?

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  • 2 more comments 
  • sgr2171 Jan 04, 2009

    I had my wireless router hooked up to it so I am assuming the PC was functioning in some capacity but not really sure since

    I cannot get a picture.

  • sgr2171 Jan 04, 2009

    The keyboard is not being recognized either so I cannot do this. I have plugged in two different monitors and two keyboards, neither work but they work on another PC.

  • sgr2171 Jan 04, 2009

    Thanks, that is what I was afraid of.

  • Dick
    Dick May 11, 2010

    If it won't recognize a monitor, keyboard, or mouse, how do you know the computer is booting up at all?

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  • 28 Answers

Try flashing the bios, which is found as step 3 on the flowing website. here.
If that does not work, make sure the connectors are not damaged, and ensure that all internal components, especially power cables, are properly seated.

~gnome

Posted on Jan 04, 2009

  • 2 more comments 
  • Chris Dawson Jan 04, 2009

    Try this, this will actually flash of your Bios along with update it.
    ~Gnomer


  • Chris Dawson Jan 04, 2009

    Do you have a USB mouse and keyboard or a regular one?

  • Chris Dawson Jan 04, 2009

    I suggest a new motherboard, it sounds like the internal connectors are fried so you are unable to do anything. You can try to totally replace the bios chip, but that is hard to do. It is your bios though, it is obviously bad. So you need a new motherboard, or a new Bios chip.
    ~gnomer


  • Chris Dawson Jan 04, 2009

    I suggest a new motherboard, it sounds like the internal connectors are fried so you are unable to do anything. You can try to totally replace the bios chip, but that is hard to do. It is your bios though, it is obviously bad. So you need a new motherboard, or a new Bios chip.
    ~gnomer


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