Dead Pixels on HTC One M8? Here is the fix

The pleasurable viewing experience of your HTC One M8 may get ruined by pixels that appear stuck or dead, these just do not seem to light up.  What do you to tide over this problem?

1. If your handset is in warranty, it is better to return the handset and get a replacement.
2. You can also download and app like Dead Pixel Detect and Fix, and check if it works.
3.  Put your HTC One M8 on for full brightness for 30 minutes and see if it works.