When moving from test8 to test9 on my Compaq Nv800a I noticed that

the LCD screen that was doing fine in test8 failed to switch back on in



Let me explain.


The Screen is normally initialized and show up nicely at the boot.

When the lid switch is hit the screen turns off and so does the


When the lid is reopened, the backlight turns on but not the screen.

This behavior happens since test9.


Can anyone explain me why ?