Flickering or Dimming Display - Samsung Notebooks NP400B2B / NP400B4B

Problem

The screen may dim randomly or flicker on the Samsung Business Notebooks NP400B2B or NP400B4B.

Cause

This issue is caused by an updated Intel Graphics driver which is incompatible with these machines.

• If the problem appeared without a recent changed in driver (or other software change - for example, a recent batch of Windows Updates) then you are not affected by this issue.

Check to see which version of the Intel graphics driver you have installed by looking at the display driver properties in Device Manager.

The Intel graphics driver versions above 8.15.10.x installed from Intel's website are incompatible with these models and cause an issue with the Samsung Display Manager software.

Resolution

To resolve this issue:

• Download the recommended driver published on Samsungs official website (for example, here) and select VGA (Graphics), Intel  8.15.10.xxxx.
• Uninstall the incompatible display driver and the Samsung Display Manager.
• Restart the notebook
• Now update the display driver with version 8.15.10.xxxx downloaded from the Samsung site and then reinstall the Samsung Display Manager

Display manager will now function correctly and the dimming or flickering will be resolved.

Applies to:

• Samsung Business Notebooks NP400B2B / NP400B4B