Hi all!
I have a problem with my pc.It wont turn on when i plug it on electrical outlet.When i press the start button i can here just three "beep beep beep" sound.I tried unpluging all the cables inside and plug them back again,also ram mermories but same thing again.Can you help me about this?

PC Type:
HP small form factor dc7700.
CPU Sillyentium D 2.8Ghz
Ram: 4GB


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many causes.

I see many causes for that on the web. You already tried the usual so keeping in mind the cost of repair today I spotted this on Woot:

That's 140 (plus 5 for shipping) and in my town the shop minimum charge is about 125.

Again, you tried the usual reseating of parts. One last idea is to replace the CMOS BIOS BATTERY. That's about 2 dollars ( ) and I have to write no, it's not a sure thing but I find many forget to replace that part.

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Bios batery

Yes you are right when saying "many forget to replace Bios Battery''.I didnt replace it too,so i will do it and maybe that will fix my problem.

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Similar advice at link.
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Error codes for beeps
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thanks for suggestion,i will try too,i was having same problem.Thankyou so much

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