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3
Select the required resolution from the drop-down list and tap Apply.
Adjusting brightness in Windows 10
To enable or disable automatic screen brightness adjustment:
1
Right-click All Settings
2
Use the Adjust my screen brightness automatically slider to enable or disable automatic-brightness adjustment.
NOTE:
You can also use the Brightness level slider to adjust the brightness manually.
Connecting to external display devices
Follow these steps to connect your computer to an external display device:
1
Ensure that the projector is turned on and plug the projector cable into a video port on your computer.
2
Press the Windows logo+P key.
3
Select one of the following modes:
•
PC screen only
•
Duplicate
•
Extend
•
Second Screen only
Memory features
This laptop supports a maximum memory of 4 GB LPDDR3 1600 Mhz.
Verifying system memory in Windows 10
1
Tap the Windows button and select All Settings
2
Under System, tap About.
Verifying system memory in system setup (BIOS)
1
Turn on or restart your laptop.
2
Perform one of the following actions after the Dell logo is displayed:
•
With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.
•
Without keyboard — When the F12 boot selection menu is displayed, press the Volume Down button to enter BIOS setup. To
enter the Boot selection menu, press the Volume Up button.
3
On the left pane, select Settings > General > System Information,
The memory information is displayed on the right pane.
Testing memory using ePSA
1
Turn on or restart your laptop.
2
Perform one of the following actions after the Dell logo is displayed:
•
With keyboard — Press F2.
42
Technology and components
→ System → Display.
> System.
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