I updated my iMac to Lion today and now when I connect an opaque black screen scrolls from the top and displays a letter that I have to hold down the power button to turn it off. Can anyone tell me how I can go about correcting this? I wish I could tell you more about the iMac itself, but I do not remember much of what I do not actually utilize it much I tried going into system preferences before the crash, but only comes too fast.
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