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Troubleshooting: Screen display
My display changed
Depending on your theme, display options such as icons, fonts, and your home screen background might change when you
switch themes.
No application opens when I press a Convenience key
Try the following:
• If you haven't done so, assign an application to the key.
• Verify that you didn't delete the application that you assigned to the key.
The screen turns off
When you don't use your BlackBerry smartphone for a period of time, the screen turns off to conserve battery power. You can
change the length of time that the backlight stays on when you aren't touching your smartphone.
To turn on the screen, click the trackpad or press a key.
Related information
Set options for backlighting, 210
User Guide
Screen display
213