Questions related to screen brightness.

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0
votes
1answer
519 views

LCD BENQ monitor brightness

I have BENQ 15 inch LCD monitor. When I turn on monitor, contrast or brightness dialog is automatically displayed on screen and I cannot remove this dialog. If I increase brightness, automatically ...
1
vote
1answer
149 views

Screen Brightness not permanent

I own a Lenovo Thinkpad SL400 and I dual boot Fedora 15 AND Windows 7 on my laptop. I am facing a problem with my fedora installation: Whenever I reboot the computer, my screen brightness goes back ...
2
votes
1answer
837 views

Ideal brightness and contrast value in LCD monitor?

I'm using 19 inch LCD monitor. The distance between me and monitor is around 80 cm. For this distance, what is the value of brightness and contrast for normal eye sight?
4
votes
4answers
4k views

Can I fine-tune my screen brightness?

My laptop is Lenovo T400, and my OS is Ubuntu 10.10. I change the brightness of my screen by pressing the FN key and one of the two keys for increasing/decreasing brightness. The brightness I feel ...
1
vote
0answers
457 views

Very dark webcam on new HP DV7

I just got my new HP DV7 6135dx about a week after it came out and when I was playing around with the webcam a few days after, it worked great. But then all of a sudden it went dark. Not black, but ...
7
votes
1answer
7k views

Windows 7 brightness slider suddenly gone

Brightness slider in power plan settings recently disappeared. How to fix it?
34
votes
14answers
81k views

How can I dim my computer screen beyond the minimum?

I usually just use Fn + Left or Fn + Right to adjust my screen's brightness but the minimum settings are still too bright for me (especially when I'm working at night). I tried going through the Power ...
0
votes
1answer
1k views

My Philips Meridian 191EL2 LED monitor's brightness resets to 90 on power up

It is the inbuilt monitor menu. It just doesn't save what I set. How can I control the brightness from OS. I am on windows 7. nvidia xfx 9500gt graphics card installed. Thanks for help.
1
vote
0answers
405 views

Gamma won't restore to original settings after exiting 3d application

I have adjusted my gamma, brightness and contrast using the calibration tool provided by Windows 7. Games typically require slightly different settings in my experience, and so I tend to adjust the ...
1
vote
0answers
598 views

set brightness and other attributes for laptop using ati radeon driver from ubuntu 11.04 repository

I am using ubuntu 11.04 on dell studio laptop with ati 5470 card. I have set the brightness to a level say 47%. But Each time I login brightness has already become maximum and I have to adjust using ...
1
vote
0answers
299 views

Do anti-glare filters exist for a 24 inch LCD monitor? [duplicate]

Possible Duplicate: Are there effective Anti-glare screens? A family member finds a new 24" LCD monitor too bright (painful) to look at even on the lowest brightness/contrast settings. She ...
1
vote
3answers
2k views

How do I get better control over screen brightness

I bought a Dell Inspiron (which runs Windows 7) and they seem to have done something to the brightness controls because it seems to be more coarse than I remember from my previous HP Pavilion (EDIT: ...
3
votes
2answers
724 views

Should LCD Brightness Match Environmental Lighting?

I have a new T410 laptop and ever since I've been using it, I've discovered that my eyes don't stress as much when I adjust the brightness to my environmental lighting. For example, during the day, I ...
9
votes
2answers
322 views

Is there a way to display a real-time image histogram of all or part of what my monitor is displaying?

I am trying to adjust brightness/contrast in photo/video editing software that does not provide image histograms. What I would like is a piece of windows software that displays a real-time histogram ...
1
vote
1answer
716 views

MacBook Air screen is too bright even on the lowest setting

Is there a tweak, hack, or piece of software that can adjust the brightness of the MacBook Air's screen below the settings that MacOS X allows by default? In low light the lowest brightness setting ...
0
votes
1answer
1k views

Is there a way to increase the screen brightness of a macbook running snow leopard beyond what apple lets you?

Any way to tweak it? I'm guessing no, but I wouldn't have ever thought of overclocking a cpu would work either...
1
vote
0answers
336 views

Some of Windows 7 brightness sliders dissapeared

The sliders from Mobility Center and below the power plans list disappeared after some certain time/event, but Windows still can control the brightness of my laptop (VAIO VPCEB1J8E) through either by ...
0
votes
0answers
151 views

screen brightness dimmer [duplicate]

Possible Duplicate: Adjust screen brightness automaticly at night. Can you recommend a software to dim laptop screen brightness-contrast easily an/or predefined values? Thank you
6
votes
2answers
773 views

Is there a work around to configure brightness or color on a DisplayLink monitor?

I run 3 monitors in addition to my laptop display at work - two of the monitors are using DisplayLink adapters. I've always thought that all my displays were too bright (and possibly give me ...
14
votes
7answers
29k views

How to change brightness on CRT display through the Linux command line?

I have a Debian Linux desktop and a CRT display. I want to change the screen's brightness without using the monitor's brightness controls. How can I do this? Is this possible in the command line or is ...
2
votes
2answers
2k views

Brightness adjustment not shown in Windows Mobility Center on HP Pavillion laptop

The Windows Mobility Center (displayed when you press +X) normally shows a slider control for adjusting the brightness of the display on laptops. On my older Dell laptop this worked fine, but on my ...
5
votes
2answers
763 views

Backlight control in Eee PC 1015PEM

When I boot my Linux with acpi_osi=Linux, I can control backlight brightness from almost_zero to moderately_bright. (Actually, the maximum revolves around the brightness level that is set before Linux ...
6
votes
6answers
16k views

How do I change the brightness and contrast of YouTube videos on-the-fly?

I'm tired of different video black levels which take down the quality of the video. Some examples, depending on your brightness level you might or might not see the difference: If you can't see ...
0
votes
1answer
3k views

Brightness controls not adjusting the brightness in ubuntu 10.10 64 bit on hp dm3t notebook

I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls on the keyboard don't work. The ...
1
vote
2answers
945 views

The brightness keeps on increasing and decreasing - is there something wrong with my laptop screen?

My laptop screen brightness just keeps on increasing and decreasing in a loop. Is there some setting that I have messed up? I am sure the machine should be okay, because it is pretty new still. I am ...
2
votes
5answers
3k views

Can I turn down the screen brightness on my MacBook Pro any further?

I sometimes use my MacBook Pro with all the lights off in the room. I turn the screen brightness down to its lowest setting (and turn off the automatic brightness adjustment), but it’s still a bit too ...
4
votes
2answers
1k views

Laptop Screen Brightness

What controls the brightness levels in a laptop? Is it the BIOS? Is it possible to modify the brightness levels to have a custom brightness at each level?
2
votes
1answer
1k views

How to get backlight on my Acer Extansa 5220 laptop to lower than minimum brightness level?

Minimum backlight level is not as dim as I want. I want to be able to tune it to arbitrarily low level, for example to be hardly visible in a dark room (but still visible). In my digital camera I've ...
10
votes
5answers
43k views

Tool to adjust monitor's backlight brightness in Windows [closed]

Do you know of any tool for Windows that let me adjust the backlight brightness of a monitor?
3
votes
2answers
2k views

HP Envy screen brightness .. stuck

once in a while, the screen brightness stops responding to any reason, and stays on full brightness.. for those of you that have HP Envy, you know what this means... battery suicide. the FN+* ...
4
votes
2answers
3k views

How to change to brightness of an external display on a macbook pro running OSX 10.6

I am using a macbook pro running OSX 10.6 snow leopard. In System Preferences/Displays/Display, I can change the brightness of the macbook's screen. However, this option is not available for the ...
2
votes
2answers
2k views

Screen gets stuck in a dim setting after waking up

I've got a laptop that I recently upgraded from Vista to Windows 7. It works a lot better now for a lot of things, but there's one problem I've had happen a few times that never happened under Vista. ...
2
votes
1answer
1k views

Laptop screen brightness stuck

I can no longer adjust the brightness of my laptop screen, it's stuck at the lowest. In Linux, the brightness adjustment keys (Fn + F4/F5) still work, since a brightness popup shows and the meter bar ...
2
votes
2answers
737 views

LCD problems: brightness / contrast blown out, can't bring up menu

Yesterday, when I turned on my LCD monitor, the colors were very very bright. It looks as if someone had gone into the monitor on-screen-display and turned up brightness & contrast all the way to ...
3
votes
1answer
4k views

Adjust output Brightness/Gamma/Colors in Gnome

We have a desktop system running Ubuntu 8.04.4, and it is connected to a standard desktop LCD monitor. Unfortunately, in 8.04.4, the brightness of the image is cranked way up. It appears to be a ...
0
votes
2answers
944 views

Optimal brightness for laptop screen while on AC power

Does using the laptop screen at the maximum brightness level while on AC power have any disadvantages? May it decrease the lifespan of LCD screen, or convey more heat and cause more heating of laptop ...
1
vote
3answers
111 views

Power scheme faulty

I use a laptop. When I take the power cable out to run on batteries, the screen darkens, as it is no longer so bright, to save on battery power. When I put the power cable back in, the screen ...
6
votes
2answers
25k views

How to disable the light sensor on a Vaio laptop

I just got a new Vaio laptop. It is great. However, the ambient light sensor dims the screen brightness and prevents me from changing it. Is there a way to disable the ambient light sensor and go ...
2
votes
2answers
871 views

Brightness controls not working on HP dm3t

I have an HP dm3t notebook which normally comes with Windows 7. I figured out how to install Windows XP on it, but now I'm facing a problem that the brightess controls don't work so am unable to ...
1
vote
1answer
259 views

How do you stop Linux from re-setting the display brightness?

After manually setting the display brightness on my laptop, the system re-sets the value. If the laptop is plugged in, the value is set to full brightness; if it is not plugged in, it is set to ...
3
votes
3answers
8k views

How do I get my laptop's screen brightness settings back?

From when I bought it up until yesterday, my laptop would dim the screen automatically if you let it sit for long enough, and then if you hit a key or moved the mouse, the brightness would jump back ...
1
vote
1answer
141 views

Do you know of any ways to effectively manage a triple screen setup brightness?

I use a desktop with multiple monitors I have tried F.lux and it is a great app for changing the color from 3500k-6500k... but doesn't adjust screen brightness. (I recommend you try it) I've ...
0
votes
2answers
774 views

Laptop screen not dimming anymore

I have a Gateway laptop that originally came with Vista, and I upgraded to Vista Ultimate. I have always been able to change the brightness settings by using Func+Up or Func+Down but a few days ago it ...
1
vote
5answers
5k views

What could cause my computer's display to go darker suddenly?

My monitors lost their brightness without warning or reason. I left my computer alone for a couple hours, and when I came back my monitors were so dark I could barely see anything. It looks as if ...
1
vote
2answers
3k views

Software to auto adjust brightness of screen(s) from webcam

Does any windows software exist to auto-adjust the brightness of a monitor (laptop screen and external monitor) based on the amount of light that a connected webcam senses?
0
votes
1answer
257 views

Video playback very white contrast with multiple video players

So here is the deal, all my video players, EXCEPT winamp, are displaying the video with a very white contrast. I have the community combined codec pack installed, I have tried reinstalling the codecs ...
5
votes
4answers
29k views

Why does my screen dim on a desktop installation of Windows 7?

Periodically, while using my Windows 7 Pro desktop installation, the screen suddenly dims. The brightness is about 75% normal (estimate). It's as if I am in a power-saving mode on a laptop running on ...
0
votes
2answers
990 views

increasing display brightness on vaio laptop fedora 9

I have fedora 9 on sony vaio with dual boot. But Fn keys dont work. Is there any other way to adjust brightness ? I have ATI graphics card.
1
vote
5answers
36k views

How to control brightness on Sony VGN SZ-series laptop after Windows 7 upgrade?

I liked Windows 7 so much on my desktop machine that I took a chance and upgraded my Sony VGN-SZ2XP laptop as well - to Windows 7 Home Premium - knowing that Sony were not making Windows 7 drivers ...
1
vote
4answers
4k views

Are there any LG screen drivers?

Are there something like LG screen drivers? because I bought a LG Flatron W1934S screen and its very bright... How can I fix this?