Question about HP Compaq DC7900 Small Form Factor PC Desktop
I have a dc5700 sff and i was looking to upgrade to a dc7900 sff but they have different connections for the power button. Where do I find a new power button to fit?
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Posted on Jan 02, 2017
Turn the unit off. If you open the unit there will be a jumper to clear the CMOS and a battery. Remove the battery and then switch the jumper as silkscreened on the board. usually there are 3 pins currently crossed are 1 and 2. switch it to 2 and 3, press the power button then hold for a few seconds. unpress the button and remove the pwoer cord. press and hold the power button again for a few seconds to clear all power. reconnect the jumper to 1 and 2. put battery in and plug and boot. password should be gone.
in some units there is a "clear password" or "cmos password" jumper. crossing this will remove the password in those units.
Posted on Feb 17, 2010
> 5 beeps
Something is wrong with some of the hardware.
If there is an add-in video-card, make sure that it is correctly "seated" into its slot on the motherboard. It's best to completely remove the card, and then re-insert it.
Similarly, check that the RAM is properly "seated".
If you have more than one stick of RAM on the motherboard, remove some of the sticks, until there is only one stick still connected, and try again.
If there is only one stick of RAM, remove it, and borrow a stick of RAM from a friend, and try it.
Beyond that, take your computer to a computer-store, for professional trouble-shooting.
Posted on Nov 12, 2010
The amount of allocated shared video memory is configured in the BIOS configuration.
Go into the BIOS - video memory to change the amount of video RAM..
Posted on Jun 20, 2011
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