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Black screen with fans running fast!

iMac A1311


I just got an iMac from a neighbor moving, when i turn on the computer, the screen stays black then the chime plays and after about 5 sec the fans kick in at full speed and stay at that speed.


I did the most common steps for resetting and nothing, also checked the ram and no luck. Next step i took was to open the computer looked for any loose connections also nothing, the 4 LED status lights are all on too.


Thanks. Appreciate any help.

iMac

Posted on Mar 4, 2015 12:00 AM

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2 replies

Mar 4, 2015 5:25 AM in response to georave

I did the most common steps for resetting

And they were?

Please detail ALL you have done so far in the way of troubleshooting? Need this info to avoid the been there done that scenarios.

Did you attempt any of the following in your steps?

http://support.apple.com/kb/HT3964Intel-based Macs: Resetting the System Management Controller (SMC)

http://support.apple.com/kb/HT1379Resetting your Mac's PRAM and NVRAM

Which model iMac do you have? http://support.apple.com/kb/HT1758 How to identify iMac models

Which OS is installed?

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Black screen with fans running fast!

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