iMac Power Issue (wont power up)

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I have a 24" iMac from early 2008. Of course today is the day it does it's weekly back-up, and yesterday I noticed that it was off (I usually leave the computer on with power save options). When I attempted to turn it on I heard the disk drive make a noise like it was kicking on but that was it. The screen remained black, no start up chime or screen flicker. I unplugged everything and tried again and it is still doing the same thing. Has anyone had any issues similar? I am just hoping it is not the hard drive. Thanks in advance.
 

cwa107


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14" MacBook Pro M1 Pro, 16GB RAM, 1TB SSD
I hate to say it, but I think the hard drive is the least of your worries if it doesn't even show a picture on the screen.

Before you get too crazy, try doing a PRAM reset. Start with the machine turned off. Pull the power cord just to be sure you're doing this from a "cold" state. Plug it back in, turn it on and immediately press and hold Command + Option + P + R. Continue holding until you hear the startup chime twice.

If no startup chime sounds, you may have a more significant problem (i.e. a bad logic board or power supply).
 
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I tried with no luck. I set up an appointment with the Apple Store. I guess we will see what they say, but I have gotten a good 5 years out of this iMac. I am just concerned about the hard drive, had some stuff on there that i didnt get to back up. If a logic board costs the $1500 I've read about then i might as well replace the machine. Thanks cwa107 for the help.
 
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Still no luck, the only thing that happens when the power button is pressed is the sound the disk drive makes when a disk is put into it.
 

cwa107


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Still no luck, the only thing that happens when the power button is pressed is the sound the disk drive makes when a disk is put into it.

I'm sorry to hear that - it certainly doesn't look good. Here's to hoping for a Christmas miracle ;)
 
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Silver M1 iMac 512/16/8/8 macOS 11.6
And fingers crossed it is the hard drive and not the power supply.
 
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No Christmas miracle here guys. Apple store confirmed that it was the logic board that died. Kind of excited about picking out a new computer though.
 
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Ahh well that is always the silver lining to any cloud. Advertise on eBay as not working parts only.
 
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That could be anything. Hope that it's not something big though. I too am struggling with an iMac, an iMac G4 with no OS refuses to let me put Tiger on it.
 
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Sounds like your Tiger discs are the problem laptoplover2. Silver/grey model specific discs will not work with any computer other than the precise model they came with. You need a black retail install DVD.
 

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