Samsung NP-Q428-DS04VN, NP-Q428-DT02VN You can turn the LCD on or off after installing Windows XP

Fn+	Name	Function
	Backlit	You can turn the LCD on or off after installing Windows XP/
		Windows Vista/Windows 7.
	Mute	You can turn the sound on or off after installing Windows XP/
		Windows Vista/Windows 7.
		System diagnosis, recovery and Internet consultation program,
		Samsung Support Center, will be launched. (Optional)

You can only use this function after installing Windows XP/

Samsung Windows Vista/Windows 7 and installing the Samsung Magic

Support Doctor program with the system software media disk. (Optional)

Center

For some models, Samsung Magic Doctor is launched.

Easy

SpeedUp

Manager

You can select operation mode when you need maximum system performance or low-noise/low power consumption with one-click.

You can only use this function after installing Windows XP/ Windows Vista/Windows 7 and installing the Magic Keyboard program with the system software media disk.(Only for XP)

Silent: Low-noise and low power consumption mode

Normal: Normal Mode

Speed: Maximum performance mode. The system operates in its maximum performance, and system resources are allocated to the currently active program with priority for maximum performance.

Speed Boot: Quick booting mode

This mode enables quick booting when the booting process has slowed down because multiple programs have been installed. You can boot up the computer more quickly by setting the time to execute the SW in the Advanced menu.

If you don’t want fan noise turning ON and OFF in the Silent mode, select the Advanced menu > Fan Silent Mode > Low in the BIOS Setup. The fan keeps turning ON and works in Low noise mode.

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