Identifying the display adapter
1 On the taskbar, click or tap the search box, and then type Device Manger.
2 Click or tap Device Manager.
The Device Manager window is displayed.
3 Expand Display adapters.
Figure 7. Display adapters
Downloading drivers
1 Turn on the laptop.
2 Go to Dell.com/support.
3 Click Product Support, enter the Service Tag of your laptop, and then click Submit.
NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your laptop model.
4 Click Drivers and Downloads.
5 Select the operating system installed on your laptop.
6 Scroll down the page and select the driver to install.
7 Click Download File to download the driver for your laptop.
8 After the download is complete, navigate to the folder where you saved the driver le.
9 Double-click the driver le icon and follow the instructions on the screen.
Adjusting brightness in Windows 10
To enable or disable automatic screen brightness adjustment:
1 Swipe-in from the right edge of the display to access the Action Center.
2
Tap or click All Settings > System > Display.
3 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.
Adjusting brightness in Windows 7
To enable or disable automatic screen brightness adjustment:
1 Click Start → Control Panel → Display.
2 Use the Adjust brightness slider to enable or disable automatic-brightness adjustment.
NOTE
: You can also use the Brightness level slider to adjust the brightness manually.
Changing the screen resolution
1 Press and hold the desktop screen and select Display Settings.
2 Tap or click Advanced display settings.
3 Select the required resolution from the drop-down list and tap Apply.
Technology and components
69