Question about HP Compaq Presario SR1930NX PC Desktop

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I have a compaq preserio SR1900NX. It only boots sometimes. Also when it is powered off the light on the front panel remains on. Other times the power supply light goes off. So many symptoms at one time. Can anyone help?

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Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)

If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that

Beep codes P
c

More beep codes

Power up the pc and see if the fans are working.
If not then double check the power connections to the board.

If you still have no fans it is time to suspect the power supply as the probable cause.

If the fans worked then you should have gotten a display which told you there was an error and offering you a chance to go into the BIOS. ignore it and shut down the PC.

Now connect one drive only and boot again.

Repeat that until you identify the component that is giving you a problem.

Once you find the problem then remove or disconnect and carry on with the rest to see if another component might also cause a problem

If there is only one problem device then you may want to investigate that device further, Unless you don't mind replacing it

Posted on Sep 24, 2009

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Hmm, tricky one your right however I would start by checking my power supply. Your local repair shop should have a power supply they use for testing problems like this. If it turns out not to be the power supply then I would be looking at the main board or a component on the main board such as ram or possibly cpu as being the culprit. Also try clearing your cmos and then restarting see if that helps any.
Good Luck!

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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