Questions related to screen brightness.

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10 views

CLI tool to change brightness, must work for external monitors as well

I am looking for a tool usable from the command line that would allow me to change brightness of my external monitors by specifying for example a value from 0-100 or something like that. Must be ...
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0answers
15 views

Can't change brightness using keyboard shortcut on my laptop

I have HP Probook 4540s, the problem is that I cannot increase the brightness of the screen through the keyboard shortcuts (fn+f2 and fn+f3) even if I have all recent drivers on my laptop. What should ...
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1answer
17 views

Brightness adjustment is not there in Windows 7 [closed]

As per answers in monitor there is generic pnp monitor, even though brightness adjustment is not visible in my lenovo G50-80 laptap. can any one suggest me what to do.
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0answers
20 views

Manjaro Linux brightness control

My brightness control doesn't work at all. I can't change it neither through power manager nor my brightness Fn keys. Popup window appears when i use the Fn keys but nothing's changing. When I reboot ...
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0answers
16 views

external monitor brightness and contrast

I plugged my laptop to an external TV (M197WDP LG) with HDMI cable.The screen is very dim and need to be improved, but I don't find setting to increase brightness of screen in windows 10. Am I miss ...
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1answer
39 views

Brightness adjustment interval in windows

I have a windows laptop in which we can use the Fn+Arrow Key to change the brightness of the screen. The default interval of brightness interval is 10%. Is there any way I can reduce this interval so ...
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1answer
50 views

Keyboard and brightness control not working: driver issue?

I have an Acer Aspire 5680 PC, with Windows 7 Ultimate. I have two main problems: right- and down-arrow don't work, i.e., when I press one of them nothing happens (but I don't think they are ...
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1answer
91 views

My laptop's screen dims when there's dark content. Dell, Intel, Windows 10

You are going to think this is a duplicate. You are going to think this question has already been answered. I have seen those questions, I have tried the answers. I still have this problem. I don't ...
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1answer
33 views

Link “On Battery” and “Plugged in” screen brightness together?

Suppose I was in a dark room using my laptop plugged in. I set the brightness to a low value like 25% because the room was dark. Then, I unplugged the charger because the laptop is completely charged. ...
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1answer
21 views

HP Envy 23 - Dim/Turn Off Backlight

In order to listen to music at night I want to turn down/off the background light on my HP Envy 23 without powering off, so the music can play. How do I turn it off? My search/brightness implies ...
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0answers
42 views

Screen brightness keep changing after system get restart

I'm just update my ASUS to window 10. Everytime I restart my laptop, the brightness will change. How can I fix it ?
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0answers
125 views

Samsung laptop won't adjust screen brightness

I have a Samsung Ativ Book 6 NP680Z5E-X02US and recently updated to Windows 10. It uses Intel HD 4000 Graphics and has and AMD Radeon 8770M graphics card. Since updating I am no longer able to adjust ...
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0answers
15 views

Display interfaces that allow control of hardware display settings?

Are there any display interfaces (such as HDMI or DisplayPort) that support control of hardware display brightness, contrast, or other settings by a computer over that interface? This is a standard ...
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1answer
60 views

Trouble Changing Brightness (Advantech MIO-5721)

I have a small embedded system (Advantech MIO-5721) that I am working on that needs to be able to reduce its brightness for power saving reasons. The LCD (Mitsubishi Electric AA084XE01) is connected ...
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0answers
109 views

I can't adjust screen brightness on my dell inspiron 15 3543 3000 series

I bought my dell with linux installed, i installed windows 7 and I can't seem to find the brightness control any where not in the control panel and I can't do it with functions keys, I installes Bios ...
0
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1answer
175 views

Is it possible to turn off iMac's screen (without turning off an external screen)?

Typically we can turn off an iMac's screen but pressing control+shift+eject but this would turn off the external screen as well (TV, projector, etc). We can also turn the brightness of the screen to ...
2
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1answer
137 views

Brightness changes even “Adaptive Brightness” is disabled in Windows 8.1/10

The brightness changes with the colors displayed on the screen on my Lenovo Thinkpad X250. Light colors make the screen brighter, dark make it darker. It really annoys me. Same behavior in Windows 8.1 ...
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3answers
137 views

How can I reduce brightness extremely without change pixel RGB values of screen?

How can I reduce brightness extremely without change pixel RGB values of screen? I want to reduce my screen's brightness extremely (like %100 to %5). I want to satisfy this two issues together: ...
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2answers
4k views

Why can I not adjust the brightness on my Windows 10 Toshiba Satellite L50-B-1LN laptop?

I recently reinstalled Windows 10, and so lost all of the Toshiba software that came with the laptop. I have since reinstalled the AMD graphics driver, the Toshiba Function Key Desktop App, The ...
0
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1answer
92 views

My laptop changes brightness by itself

My Toshiba laptop was bought back in 2012. It works perfectly fine until a while ago, when it started to change brightness by itself. I'm sure it was not the power plan because it happens even when ...
0
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1answer
42 views

Increase brightness of external monitor

I have an external monitor plugged into my laptop. But compared to my laptop, the brightness levels are very dim. In advanced power settings I can't seem to apply brightness levels to the external ...
0
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0answers
44 views

ASUS N550JX-DS71T Monitor brightness fluctuates when laptop is plugged in to charge

ASUS N550JX-DS71T laptop (windows 8) When laptop is plugged in to charge three very annoying and nearly work-stopping things occur: monitor brightness fluctuates, sound crescendos/decrescendos, and ...
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0answers
40 views

Mint Cinnamon 64-bit Brightness Value Becoming Zero

I am using Mint Cinnamon 64-bit from some time.Now all of sudden its brightness goes to zero..Till login screen every thing working fine.Once I logged in. There is no display. I tried to connect ...
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1answer
66 views

screenbright win7 powershell/commandline alternative

Work computer, so I cannot install any thirdparty apps :( Does anyone have the command line samples that work like screenbright? 2 monitors, one is darker than other and OS will brighten/darken ...
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0answers
22 views

How can i change screen brightness on Mac Desktop (Integrated display) while running Windows 8?

I recently Installed windows 8 onto my late 2009 mac desktop. Everything went well but the backlights (screen brightness) is hurting my eyes, not to mention is heating up my computer like crazy! I ...
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1answer
26 views

Why isn't brightness not reduceing after OS install?

I installed new OS (Windows 7 Professional 64bit) in my laptop with no graphic card (removed). Downloaded all the drivers. Everything is working fine except the brightness. Its stuck at full ...
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0answers
64 views

Monitor adjust the brightness by itself

Below my monitor (LCD screen), there are buttons for changing the luminance of the screen. It only can be adjusted from there. But I don't know starting from when my monitor change the luminance by ...
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0answers
86 views

Why does my monitor stay very dim after displaying black screens?

I've had this strange issue for a while. Basically if I launch certain games, which output a 100% black screen for an extended time (for example, when loading), the monitor will then go down to lowest ...
0
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1answer
301 views

How to increase brightness of laptop screen above maximum in BIOS or Linux/Windows?

Is it possible to increase the brightness of laptop screen above what's possible in BIOS and Ubuntu Linux/Windows ? I have an old laptop (Lenovo-X200s) and the maximum brightness is rather dark. I ...
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votes
2answers
400 views

Set brightness to zero in Windows (like in Ubuntu) [duplicate]

I have a dual boot Lenovo W520 system, with Windows 7 and Ubuntu 14.04. In Ubuntu, when I set the brightness to the lowest value, the backlight actually turns off, which is a brilliant battery saver. ...
1
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1answer
734 views

Dell laptops - Disabeling Dell Intelligent Display (auto screen dimming) [duplicate]

I have a Dell Precision M2800, which comes with the usual Intel 4600 as well as an AMD FirePro W4170M GPUs. The OS is Win 8.1 with the latest drivers for everything. Bios is fully updated (A06). Dell ...
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0answers
18 views

How can I tell my Linux installation to handle the brightness ketys with ACPID?

I want to manually control my brightness keys making a event on /etc/acpi/events. Only that there is a problem, when I press the brightness up/down keys, the brighness changes (I think that the BIOS ...
0
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1answer
69 views

Brightness on laptop doesn't work at all

I have an ASUS k72dr laptop. It's hard drive died, so I bought a new one. After installing Windows only available screen resolution was 800x600, obviously because of lack of proper video card driver. ...
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0answers
69 views

Windows 8 Brightness control is not working

Recently, I installed windows updates and all updates finished successfully. I then tried to increase my brightness, but the brightness control is no longer working. I tried googling it, but all I ...
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2answers
736 views

I cannot reduce the brightness of my laptop's screen monitor

Since a while i'm not able to reduce the brightness of my screen I don't know why! I've tried using the shortcuts but it doesn't work but the other shortcuts work like for the volume, the wifi... I ...
0
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0answers
535 views

How to change brightness on puppy linux?

I just installed puppy linux but the screen is literally burning my eyes. The Fn+Brightness key on my laptp doesn't work, I tried to go to setup and change the gamma but it just make the colors ...
0
votes
1answer
403 views

Built-in display brightness can't be changed and one USB port not working after upgrade to Yosemite (10.10.2) on Macbook Air (early 2014)

Started happening right after I upgraded from Mavericks to Yosemite. I tried changing the brightness from the keyboard and from the System Preferences and it doesn't work either way. The brightness ...
0
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1answer
66 views

External display changing brightness based on what's shown

I'm using a Dell Inspiron laptop running Windows 7, with a Samsung SyncMaster P2250 connected via D-SUB as external display. The display seems to dynamically adjust it's brightness based on what's ...
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0answers
12 views

Sony Vaio Brightness Issue [duplicate]

I'm using a Sony Vaio Tap and after a year and a half, I just started having an issue with the brightness that started occurring a few days ago. After constantly adjusting the display brightness to ...
1
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1answer
164 views

IPS Screen viewing angle - the picture gets less bright when viewing from side

I have recently bought 23" ASUS VX239H display with AH-IPS A+ screen. I have read many articles before about wide viewing angles of IPS displays. When I first looked at it I was surprised, how much ...
0
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0answers
72 views

Windows 8 brightness meter is wrong

This has been bothering me for a while, and I thought: I might as well ask. When I lower my screen brightness with the corresponding FN-key, Windows 8 shows me this neat little meter in the top left ...
0
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3answers
2k views

Screen brightness setting maxed but not bright

Screen brightness setting maxed but not bright. Hello everyone, this is my first post regarding technical support ever, thanks in advance for any help provided. I have a Lenovo flex 15 laptop that ...
0
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0answers
92 views

Brightness adjustment on laptop display

I can no longer change brightness of my display on Acer Aspire V laptop. The function key/arrow key combo no longer works. Neither does using the control panel. In the control panel I can move the ...
0
votes
2answers
73 views

Is it possible to change screen backlight trough hardware means?

Given that after several days I didn't manage to change the brightness through software means (askubuntu.com/questions/577539/dell-chromebook-11-unable-to-set-backlight-and-sys-class-backlight-empty ...
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0answers
104 views

Brightness settings gone, how to recover?

I am using a Dell Inspiron laptop with Windows 7 Ultimate. I cannot find my brightness control in windows mobility centre and also elsewhere. How do I resolve this?
0
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1answer
330 views

Adaptive brightness cannot be disabled in Windows 8.1

I am battling with adaptive brightness on my laptop. It just cannot be disabled. I have it turned off in Windows power settings, Intel Graphic Control Panel but without any success. As soon as I ...
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0answers
14 views

recommended computer monitor brightness, contrast and gamma settings for eyes? [duplicate]

I'm a software developer. I'm working up to 10 hours per day in computer. How to properly adjust monitor brightness and contrast.
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1answer
54 views

How can I get a better control over the brightness [duplicate]

I have a Dell xps17 (windows 7) and I find the brightness control very annoying. I often work during night time and the lower settings is fine but if I increase the brightness settings by just one ...
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votes
2answers
11k views

How to disable automatic brightness setting on LG monitors?

I have two LG monitors (both 23MB35PM) which have an annoying and distracting feature of automatically changing their brightness at random times, probably due to some power saving mechanism. How can ...
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0answers
181 views

My Ubuntu Laptop (Inspiron 14z) brightness function key does not work upon upgrade from 12.04 to 14.04

My laptop with Ubuntu 12.04, everything worked fine including all hardware function keys, but when i upgraded to 14.04, the brightness 'Fn + F4/F5' stopped working. I googled and followed a couple of ...