I get acer laptop next to window vista on it, how to conveyance brightness on my blind, why my peak turn to muddy?

sometime when i set my computer on sleep, and when turn it fund my laptop's brightness will turn to dark. Do i have need of to deal anything near power plan


Answer:

press fn .will be highlighted in blue,push the arrow for up on your knob board ...hold down fn and push the arrow at the same time.







perfect luck,

rachel

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