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HP Recommended
HP Compaq Dc7900
Microsoft Windows 10 (64-bit)

I installed 250 Gb second HD in my PC DC7900,PC did not starts and beeps 5 times,I checked connections again and pressed on all memory modules,PC started OK and runs fine,problem seems recudding when I open the case and touch cables,rams look firmly seated,and cables well connected,I tried disconnects the second HD I installed but it did not solve the problem,otherwise PC runs fine and fast,I am thinking of upgrading ram to 8Gb instead of the 4 Gb present,if issue is caused by ram,I appreciate any help?thank you.

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