Toshiba Satellite U840W - Manual (Page 35)

Intel ® Display Power Saving Technology
Intel GPU model may include the Display Power Saving Technology
feature that can save the computer's power consumption by optimizing
picture contrast on the internal LCD.
This feature can be used if the computer is:
running under battery mode
using the internal LCD display only
The Display Power Saving Technology feature is enabled at factory default.
If you want to disable the feature, you can disable it.
The Display Power Saving Technology feature can be disabled in the Intel ®
Graphics and Media Control Panel.
You can access this control panel in one of the following ways:
Click Start -> Control Panel. Select Large icons or Small icons in
View by, and then click Intel(R) Graphics and Media.
Right-click on the desktop and click Graphics Properties....
In this control panel:
1.
Click Power.
2. Select On battery from the drop-down menu in Power Source.
3. Clear the Display Power Saving Technology check box.
4. Click OK.
If you want to enable this feature, under the conditions mentioned above,
select the Display Power Saving Technology check box.
Intel ® Rapid Start Technology
This computer supports Intel ® Rapid Start Technology which enables the
computer to change to Hibernation Mode from Sleep Mode after a specified
period of time.
With the Intel ® Rapid Start Technology, the Windows can rapidly resume
from Hibernation Mode and battery life will be longer than when in Sleep
Mode.
Intel ® Rapid Start Technology is enabled at factory default. The computer
will switch to Hibernation Mode after two hours of Sleep Mode.
You can use BIOS Setup to enable/disable the function and change the
specified time setting from Sleep Mode to Hibernation Mode.
1.
Press and hold the F2 key, and then turn on the computer - the BIOS
setup utility will load.
2. Select Power Management.
3. Enable/Disable Intel(R) Rapid Start Technology function.
4. You can select the period of time from Sleep Mode to Hibernation
Mode using Rapid Start Entry after. If the Immediately option is
selected, the computer will switch to Hibernation Mode immediately
after your computer goes into the Sleep Mode.
User's Manual 2-11