User Guide
Display troubleshooting
My device screen turns off
When you do not use your BlackBerry® device for a period of time, the screen turns off to conserve battery power.
To turn on the screen, click the screen or press a key.
My display changed
Depending on your theme, display options, such as your font and Home screen background, might change when you switch themes.
Related topics
Change the display font, 163
Use a picture as the Home screen background, 93
No application opens when I press a Convenience key
Try performing the following actions:
• Verify that you have not deleted the application that you assigned to the key.
• Assign a different application to the key.
Display and keyboard
167