Question about HP Compaq Presario SR2150NX PC Desktop

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PC not recognizing monitors or keyboard

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.

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Posted on Jan 06, 2009

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Jan 04, 2009 | HP Compaq Presario SR2150NX PC Desktop

1 Answer

Compaq Presario SR1920NX will not enter boot process

From your description, the BIOS is not recognizing any drives or does not hand off from BIOS to a bootable drive.

Start off by simplifying the system down to keyboard monitor and power cable. Remove *everything* else.

If no boot, unplug power cable, monitor and keyboard. Hold power button in with no power for 15 seconds. This may clear a corrupt BIOS. Reconnect and see if it boots.

If no boot, unplug power again and on the power supply somewhere near where you plug in the power cord look for a small recessed voltage selector. Flip it to 250 then flip back to 115 (these are approximate numbers and may be slightly different on your system). Your system may not even have a voltage selector switch.

If still not booting or no drives are being recognized, we can open the case if you feel comfortable with that.

I have talked a grandmother through replacing a mother board over the phone so we can do this if you want to give it a shot.


Dec 30, 2008 | HP Compaq Presario SR1920NX PC Desktop

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