Blackberry 9000 - Manual (Page 171)

Delete a theme
You can only delete themes that you have downloaded to your BlackBerry® device.
1.
In the device options, click Theme.
2. Highlight a theme.
3. Press the Menu key.
4. Click Delete.
Download a theme
Depending on your wireless service provider, this feature might not be supported.
1.
In the device options, click Theme.
2. Press the Menu key.
3. Click Download Themes.
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 trackball 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
Set the display font, 166
Use a picture as the Home screen background, 96
No application opens when I press a Convenience key
Verify that you have not deleted the application that you assigned to the key.
Assign a different application to the key.
User Guide Display and keyboard
169