Computer will not turn on

When you take the frame off, please tell us the status of the diagnostic LEDs to the right of the RAM slots. Also what they do when you attempt a power on.

It's probably about time to replace the PRAM battery. Here's how:

iMac Intel 20" EMC 2105 and 2118 PRAM Battery Replacement

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Aaron Bouchard @abouchard 声誉积分: 825 Bouchard Computers 6 3 1 · Answer 2 · 2017-05-17T12:18:22-07:00

Aaron Bouchard @abouchard

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发帖于: 2017年5月17日

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did you plug it back in? Most laptops have only a life span of at least 3-4 hours, unplugged

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Sorry, this is an older desktop iMac. Yes, I plugged it back in and tried restarting.

由 Peg 完成的 2017年5月17日

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Theresa Albert @talbert4 声誉积分: 26 2 1 · Answer 3 · 2019-06-06T19:00:00-07:00

Theresa Albert @talbert4

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Both LED lights to the right of the ram slots are green. I replaced the PRAM battery just in case but no difference. The fan is turning and the power light is on but no sound from the hard drive.

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iMac Intel 20" EMC 2105 and 2118

Computer will not turn on

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