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Q: What is wrong with my 30" Cinema Display?  The USB and FireWire ports still work, but the screen is pitch black. When you plug it into the computer, it detects that it's a Cinema Display.

When you plug it into the computer, it detects that it's a Cinema HD but the screen is pitch black.

For some reason, the USB and FireWire ports still work.

30" Cinema Display, Mac OS X (10.6.7)

Posted on Apr 19, 2011 8:08 PM

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Q: What is wrong with my 30" Cinema Display?  The USB and FireWire ports still work, but the screen is pitch black. When you ... more

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  • by BSteely,

    BSteely BSteely Apr 25, 2011 3:55 AM in response to NOCR
    Level 5 (7,635 points)
    Apr 25, 2011 3:55 AM in response to NOCR

    If you shine a really bright light directly into the screen can you then see a faint image on the screen? If so, that would indicate the backlight has died (hardware failure) and the unit needs repairing.