Blue Screen

Fullscreen pure blue for stuck-pixel checks, panel uniformity, and solid-color testing — free in the browser.

Click for fullscreen

F · Space · Esc to exit

How to Use

  1. Open /blue-screen and enter fullscreen.
  2. Scan for dead or stuck pixels against solid blue.
  3. Jump to other tools from the header or footer.

Why Blue Screen

  • Stuck red/green pixel visibility.
  • Blue solid for panel uniformity.
  • Quick hardware check.

FAQ

Is this a fake BSOD?

No. Fullwhite does not include prank screens in v1.

Dead pixel sequence?

Blue is step 5 in the Dead Pixel Test.

How to exit fullscreen?

Esc or click the stage again.