Switchable Graphics/Dual Graphics (Select Models Only); Using Switchable Graphics (Select Models Only) - HP EliteBook 820 User Manual

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To test the AC adapter:
NOTE:
The following instructions apply to computers with user-replaceable batteries.
1.
Shut down the computer.
2.
Remove the battery on the computer.
3.
Connect the AC adapter to the computer, and then plug it into an AC outlet.
4.
Turn on the computer.
If the power lights turn on, the AC adapter is working properly.
If the power lights remain off, the AC adapter is not functioning and should be replaced.
Contact support for information on obtaining a replacement AC power adapter.

Switchable graphics/dual graphics (select models only)

Select computers are equipped with either switchable graphics or dual graphics.
Switchable graphics—Supported by both AMD™ and Intel. If your computer has AMD dynamic
switchable graphics, it supports only switchable graphics.
Dual graphics—Supported only by AMD. If your computer has AMD Radeon dual graphics, it supports
only dual graphics.
NOTE:
NOTE:
To determine whether your computer supports switchable graphics or dual graphics, see your
notebook graphics processor configuration. Intel HR Central Processing Units (CPUs) and AMD Trinity series
Accelerated Processing Units (APUs) support switchable graphics. AMD Trinity series A6, A8, and A10 APUs
support dual graphics. AMD Trinity series A4 APUs do not support dual graphics.
Both switchable graphics and dual graphics offer two modes for processing graphics:
Performance mode—Runs application with optimal performance.
Power Saving mode—Conserves battery life.
To manage your AMD graphics settings:
1.
Open the Catalyst Control Center by right-clicking on the Windows desktop, and then select Configure
Switchable Graphics.
2.
Click the Power tab, and then select Switchable Graphics.

Using switchable graphics (select models only)

Switchable graphics allow you to switch between Performance mode and Power Saving mode.
To manage your switchable graphics settings:
1.
Right-click on the Windows desktop, and then select Configure Switchable Graphics.
2.
Click the Power tab, and then select Switchable Graphics.
Switchable graphics assigns individual applications to either Performance mode or Power Saving mode,
based on power requirements. You can also manually modify the settings for an individual application by
locating the application under Recent Applications drop-down menu, or by clicking Browse, located below
Other Applications. You can switch between Performance mode and Power Saving mode.
Dual graphics can be enabled only by full-screen applications that use DirectX version 10 or 11.
Setting power options
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