Why is it making a sizzling noice and is hot.
When i turn the mac off it makes a sizzling and makes heat.Why does it do this and is it okay to use or will it catch on fire?
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I am not a Mac person, but my suggestion for the humming noise without any other issues would be the possibility of a faulty power capacitor or/and a bad failing transformer. Be careful with this computer, the CRT is a different beast and unless you know what you are doing, chances of getting zapped by high voltage is easily possible. Take a look on here to download the iMac service manual and take a look at the power and video board. If you are really ambitious, check on here for a repair. This should be taken as informational only, working on a CRT can KILL YOU. Hope this helps, good luck.
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I do not work on the CRT portion of a iMac, EVER
nicksmacandpchelp, that is good. You shouldn't unless you have had experience with it. Stay safe.
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The very first thing to do it to back up your data. Sounds like something is burning out and you need to try to locate it before it goes completely. This machine can go out at any second. Can you tell where this surplus heat is coming from by using your palms? Is the machine shutting down on its own? Are you getting any screen distortions? Any sounds other than the sizzling? Any clicking? Does it boot as fast as it normally did?
door mayer
It the same except for the heat and the sizzling.There no other sound beside the humming noise and the heat is near the handle on the back.
door inactive
What if i just leave it alone? Will something happen?
door inactive
That is a tough one. It is possible that nothing is going to happen, or it is possible that one you hear a popping noise, a big stink and your computer will stop working. So, just like mayer originally suggested, make sure you back all your stuff up and do that on a regular basis. Good Luck.
door oldturkey03
Will it catch on fire?
door inactive
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