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Laptop powers up with dim screen
Post Windows 7 Home Premium to Windows 10 Home upgrade on my Acer Laptop, everything went reasonably OK apart from having to resize the Reserved System Partition.
After a couple of days, the brightness of the screen at start up is really dim making it difficult to see or do anything. I initially thought that Windows had crashed & did CTRL/ALT/DEL to restart.
The only thing that I can to is hold down the Fn key & press Screen Brightness key which seems to work.
But, why should it do this after a couple of days.
Not aware of having made any changes to initiate this.
Would really like it to boot up at full brightness.
Any suggestions gratefully received.