Dell Alienware M11x R2 (Mid 2010) - Manual (Page 72)

CHAPTER 5: TROUBLESHOOTING
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Basic Hints and Tips
Computer does not power on: Is your AC adapter cable securely connected to a working •
electrical outlet? If connected to a power strip, ensure that the strip is actually working.
Connections: Check all the cables to ensure that there are no loose connections
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anywhere.
Power Savings: Ensure that your computer is not in hibernate or standby mode by
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pressing the power button for less than 4 seconds. The power status light will fade from
blue to black while in standby mode; in hibernate mode it will be off.
Brightness: Check and adjust the brightness of the display by pressing the key
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combinations <Fn><F4> or <Fn><F5>.
Display Choice: Press the key combination <Fn><F1> to ensure that the computer is not
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set to “External Only” display.
Use only the AC adapter that shipped with your laptop.
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