It's because Emachines are the most cheaply made PC's out there and are utter rubbish. It's why they are so cheap to buy!
Rik from RCE
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2,335 posts since May 2009
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It probably has a Bestec power supply in it. They are built with very poor power regulation and absolutely no over voltage or short circuit protection at all. It has most likely done damage to the motherboard.
Rik from RCE
Nearly a Posting Maven
2,335 posts since May 2009
Reputation Points: 127
Solved Threads: 199