hp pavilion 7840 1 beep then 3 beeps repeated

Hewlett-packard Pavilion 7840
October 5, 2010 at 05:04:05
Specs: Windows Vista
I just got the computer which has software on it for a plotter cutter i need. I plugged in a lcd display and usb mouse since it did not come with a monitor or mouse, only a keyboard. During boot up it beeps 1 time the 3 short beeps and repeats this a couple of times, it does not send power to the monitor or keyboard. I am most intrested in the software on the hard drive than anything else. Any suggestions???

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#1
October 5, 2010 at 05:18:31

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#2
October 5, 2010 at 05:20:16
that's for manuals. I had the same problem. Try unplugging the computer, opening the case, and making sure all connections are good.

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