display brightness

I'm having an odd experience with the screen brightness of my SPX. Here's the sequence: Turn on the SPX to wake it from sleep. The screen appears to be at about 60% brightness. Press F7 (increase brightness). The screen brightness widget appears briefly, showing 100% brightness. The screen...

I may be wrong here but I think that since I upgraded to win 10 the display on my SP3 seems dimmer than before. Where I used to set it at around 35% for comfortable use in normal indoor lighting I now have to set it at 50%. Anyone else noticed this? Is the display brightness curve different in...