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as seen on Super User
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Fn + F6 - backlight turns off immediately, image stays (visible if shine something at the display)
xset dpms force {off,suspend,standby} - backlight turns off slowly, image cleared.
How to programmatically just turn off backlight on Acer Extensa 5220 laptop in Linux? It should work fast and should…
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as seen on Super User
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I have a Lenovo ThinkPad T400, which I've owned for about a year. A while back, I noticed a problem in which the LED backlight would not always turn on when booting from battery. Usually, if I hold the power button down until the BIOS screen shows up, the backlight turns, but sometimes even that doesn't…
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as seen on Super User
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The only LCD monitors with glass fronts and LED back-lighting I can find are the ones by Apple. And they only sell a 24" one at 2.4x the price of any other 24" monitor at 1920x1200, and a 30" one, which honestly I can't put on my desk. Oh, and the 24" one uses a mini-display port plug only. So I'd…
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as seen on Stack Overflow
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I'm using VS2008, my OS is Win7.
I tried WinAPI IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS on my netbook. I can retrive a correct the LCD handle, but DeviceIoControl returns 0. I haven't found any APIs for GMA 3150 either.
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as seen on Ask Ubuntu
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When I booted up my newly installed Ubuntu 11.04, I discovered, to my dismay, that the backlight was off by default. The keyboard shortcut (which is Fn+F6 on my Acer Aspire 4736) for turning on the backlight doesn't seem to work. I have been trying to resolve this problem for the past 2 days now,…
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