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The Apple iMac M5521 is the slot-loading iMac G3 all-in-one desktop computers, produced between October 1999 and the summer of 2001.

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Why won't the computer power on?

When I press the power button the computer makes a noise (I think it is coming from the CRT). No other signs of life. I tried using a external monitor with no success.

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3.6 volt 1/2 AA PRAM battery.

You can see it on step#13 of this guide. Look for the purple and black small battery:

iMac G3 Model M5521 Teardown

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4 Comments:

Can't I hold down the command to reset the pram battery?

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Will any AA battery work as well?

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NO! use 3.6 volt 1/2 AA PRAM battery

https://www.amazon.com/ER14250-LS14250-E...

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Does not work

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Owen Ready will be eternally grateful.
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