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Alienware 17 R4 Service Manual

Timing key sequences

The keyboard is not the first device initialized by the BIOS setup program. As a result, if you press a keystroke too early, the keyboard is locked out. In such cases, a keyboard error message is displayed on the screen, and you cannot restart your computer with the Ctrl+Alt+Del key combination.

To prevent the keyboard from locking, wait until the keyboard is initialized completely. The keyboard is initialized if one of the following occurs:

  • The keyboard lights flash.
  • The F2=Setup prompt appears at the top-right corner of the screen during boot.

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