Satellite L500-1ZP: inverted on the F6/F7 keys and screen brightness sliders

On my satellite L500-1ZP, the brightness of the screen is reversed!

So 100% brightness is totally blurred and 0% of brightness is entirely bright!

"In terms satellite": level1 is full brightness and level8 is totally blurred.
Also in the windows power options screen: 0% is its maximum intensity and 100% is dimmed.

[Information on PC]
Model name Satellite L500
Part number PSLS9E-01X01CDU
Version of the OS Microsoft Windows 7 Home Premium 6.1.7600
BIOS Version 1.50
Processor Intel (r) Core i3 CPU M 330 @ 2.13 GHz

Hi mate

To be honest, I've ever seen something like that
Usually, the FN + F6 and Fn F7 function key should decrease and increase the brightness.
I wonder why it does not work properly.

Maybe it's a question of s an OS so you should recover the unit using the drive HARD recovery option.
Press F8 when the laptop is turned on, and then select Repair my computer and then choose HARD drive recovery.
The operating system would be installed again and you can check the brightness again!

Otherwise, it could be a hardware problem as defective FL inverter...

Tags: Toshiba

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