Sony PCG-Z1WA VAIO User Guide (primary manual), User Manual

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2. Press and release Alt to highlight the menu bar, and press the Right Arrow key to select Shut
Down .
3.
Press Enter .
4.
Press R to select restart.
5. If this procedure does not work, press and hold the power button or slide and hold the power switch
until the computer turns off.
Why is the sound of my computer's fan so loud?
The computer's fan may be running at a high speed to cool the CPU. By lowering the CPU speed, you also lower the speed
and noise level of the computer's fan. If your computer comes with the PowerPanel utility
1
, use it to lower the CPU fan
speed, CPU speed, or both.
To lower the CPU fan speed using the PowerPanel utility:
1.
On the Windows
®
taskbar, right-click the CPU icon .
2. Select Edit/Create Profiles . The AC Power Profile Editor window appears.
3. In the right panel and in the System folder, double-click CPU Fan Control , and select Level 1 Quiet .
4.
Restart your computer.
See PowerPanel Help for more information.
To lower the CPU speed using the power schemes:
1. Click Start on the Windows
®
taskbar, and click Control Panel .
2. Click Performance and Maintenance , and click Power Options . The Power Options Properties window
appears.
3.
Select Portable/Laptop in the Power schemes box.
4.
Click Apply .
5. Click OK .
Why does the System Properties dialog box display a slower CPU speed than the maximum?
This is normal. Because your computer's CPU utilizes a type of CPU speed controlling technology for power conservation
purposes, System Properties may display the CPU's current speed instead of the maximum speed.
Why don't my changes appear on the computer screen (LCD)?
You may need to refresh the computer screen. Press and hold the Windows key , and press D twice.
1
A vailable on s elec ted models .
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