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All-in-one desktop computers from Apple. iMacs were equipped with Intel processors from 2006-2021.

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Will not boot after apple logo goes to a white screen

I tried to boot my imac today first it had a blue screen then I have tried the pram. The start up cd will not appear on screen. It still chimes and I can hear the drive operating but nothing on the screen

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Connect to an external monitor to rule out video card problems. If you see the same thing, or nothing you have a bad video card or logic board. If you see a normal screen you have an internal display chain problem (most likely a HD (software), data cable, or backlight problem) further troubleshooting should point where the problem lies.

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