Dell Alienware M11x R3 Mobile Manual - Page 78

Basic Hints and Tips

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CHAPTER 5: TROUBLESHOOTING 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 anywhere. •• Power Savings: Ensure that your computer is not in hibernate or standby mode by 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 combinations or . •• Display Choice: Press the key combination to ensure that the computer is not set to "External Only" display. •• Use only the AC adapter that shipped with your laptop. 76

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CHAPTER 5: TROUBLE°HOOTING
76
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
anywhere.
•
Power Savings: Ensure that your computer is not in hibernate or standby mode by
pressing the power button for less than 4 seconds. °e 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
combinations <Fn><F4> or <Fn><F5>.
•
Display Choice: Press the key combination <Fn><F1> to ensure that the computer is not
set to “External Only” display.
•
Use only the AC adapter that shipped with your laptop.