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I'm using Boot Camp to run Windows on my Mac.

Last night I tried to compress the memory of C, then after that finished, it told me to

Press Ctrl + Alt + Del to restart

How do I press these keys?

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One of these should work. Option is Alt in Windows. Your Backspace key generates Delete (You might need to press the Fn key to generate Delete)

Control + Option + Delete


Control + Option + Fn + Delete

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You should also try:

Ctrl Shift Esc

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It's similar in that it also opens Task Manager like C-A-D sometimes does. But it won't work in the other situations, where C-A-D specifically is needed. – grawity May 4 '15 at 16:56

You should be able to use one of the following:

  • Ctrl+Option+Del

  • Command+Option+Del

  • Ctrl+Option+Fn+Del

  • Command+Option+Fn+Del

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Bootcamp Windows Partition. I tried 'every combination' that I found and none of them worked when I tried to log in to Windows. I solved this CtrlAltDelete problem by plugging a PC keyboard in to the Macbook. Worked like a champ! Be sure to change that "user must press CtrlAltDelete" setting in User Accounts once you are in!

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This seems more like a comment then an answer to the proposed question. – Ramhound Mar 15 at 17:49
It looks like a workaround to me - plug in a PC keyboard. – Mikey T.K. Mar 15 at 18:26

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