Blackberry Troubleshooting
Blank screen - Black

Try the following actions to resolve the issue. If the issue persists, proceed to the next troubleshooting step.

Ensure that all plastic screen covers have been removed

You might not have removed the plastic film off the screen; removing the plastic film resolves this issue.

Ensure that the BlackBerry smartphone is fully charged

Also verify that you have not had any issues with charging the device. Some screen issues occur because the battery has not been fully charged. Charging the battery could resolve this issue.

Check the light sensor
You might have an issue with the light sensor under the LCD screen.
To check that the light sensor is functioning, complete the following steps:

  1. Cover the LED/light sensor with your thumb while the LCD screen is bright.
  2. Hold your thumb in place until the LCD screen dims.
  3. Uncover the LED/light sensor in bright light. The LCD should now be bright.

Check the backlight settings

The backlight on the LCD screen might not function correctly.

To change the backlight settings, complete the following steps:

  1. On the Home screen, click Options.
  2. Click Screen/Keyboard.
  3. Set the following fields to adjust the settings:
    1. Backlight Brightness
    2. Backlight Timeout
    3. Automatically Dim Backlight
    4. LED Coverage Indicator
  4. Press the Menu key.
  5. Click Save.

Check the contrast

Change the contrast and see if this solves the issues you are having. You can set the color contrast of application interfaces, menus, and dialog box to Normal, Grayscale, or Reverse Contrast.

To change the color contrast, complete the following steps:

  1. On the Home screen, and then click Options.
  2. Click Advanced Options.
  3. Click Accessibility.
  4. Set the Color Contrast field to Normal, Reverse Contrast, or Grayscale.
  5. Press the Menu key and click Save.

Update the BlackBerry Device Software

You can download the latest version of Blackberry Device Software from Follow the instructions on the screen to download the latest version currently available from your wireless service provider.

If this issue is still not resolved, follow your wireless service provider's procedures to service or return the BlackBerry smartphone.


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