Four beeps error in hp dc 5700 [Solved/Closed]

- - Latest reply:  devilman - Sep 13, 2009 at 07:32 PM
i have a hp dc 5700, I changed mainboard , powersupply and processor and memory but still the machine gives up four error beeps when switch it on,and the fan doesn't revolving, can you tell me what is the problem?please help me.
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Registration date
Wednesday September 2, 2009
Last seen
September 3, 2009
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i have hp dc 5700 small form factor pc, I changed mainboard, powersupply, processor, and memory but still the machine give me four beeps error four five times. can you assist me what could be the main problem?

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check vga it may not have been pluged well