Hardware Drivers :: Windows 8.1 - Brightness Won't Adjust?

Oct 19, 2013

since I updated to Windows 8.1. My screen is stuck on dim. It's not dim enough to be unusable, but it's dim enough that I wish I could turn the brightness up. If I use the hardkeys on my keyboard to turn it up or down, the bar will go up and down, but the brightness won't change. Same goes for using the settings charm brightness bar and adjusting via control panel. I've tried updating my display and video drivers, and messing around with the battery "power plan" settings, but after all that it still won't change.

Lenovo P400 Touch

Intel 4000 HD graphics

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Hardware Drivers :: Screen Seems Dim - Brightness Won't Adjust

Jun 7, 2014

Well I've had my laptop for almost 5 months now, however I did break it and got a screen replacement yesterday. Ever since then my screen seems dim. I've altered all the settings (as explained on other threads) but I still can't get to the centre of the problem. I had no trouble altering my brightness before my screen replacement so I do presume that the screen that the shop fitted wasn't the correct one and therefore a cheap option.

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Hardware Drivers :: Laptop Screen Brightness Won't Adjust

Oct 18, 2013

I went and bought a new laptop since my old one was starting to die on me and stuff. It's a Samsung ATIV Book 4, and it's really nice. This is the first hick up I've had with it so far, and I noticed it happening today. I noticed my screen was really dim today as I was using it, so naturally, I use the Fn key to turn it up, but nothing happens. Up in the top left of the screen, it shows a little brightness meter going up and down as I turn it up and down, but nothing changes. I went to the power options menu and tried to adjust it there, and alas, nothing happened. I even tried disabling the display driver and restarting it, but that didn't do anything.

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HP Recline 23 / Windows 8.1 - Cannot Adjust Screen Brightness

Jan 25, 2014

I have a new computer , HP recline 23 . OS is Windows 8.1 . It came out of the box with Windows 8 , so I had MS store update to 8.1. The screen is set very bright , OK for day use but too bright for night use .

My problem is that I can't adjust the screen brightness. After clicking on the charms menu and clicking on settings , the brightness icon is greyed out . It says windows cannot adjust brightness on this computer. I tried the various locations where the brightness slider may be but all the relevant screens show no brightness slider.

I don't know whether win 8 had the brightness control before upgrading to 8.1 ( I mention this because several people complain that after upgrading to 8.1 , they loss brightness control amd regained it by rolling back the driver )

I tried the update driver option but it says my driver is already updated. The roll back option is greyed out ...

BTW the display adapter shows two adapters : Intel 4600 and Gforce GT730 . How do I check which one is being used?

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Acer Aspire / 15.6 HD LED LCD With Windows 8 - Unable To Adjust Brightness

Jul 30, 2014

Working with ACER Aspire E1-510, 15.6 HD LED LCD with Windows 8.

UNABLE TO ADJUST BRIGHTNESS.

Have tried Control Panel, Fn keys.

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Maintenance :: Screen Just Went Dim - Windows Can't Adjust Brightness On Display

Aug 31, 2013

I just reset my PC. I was installing things back onto it (firefox, Spotify etc) and all of the sudden the screen went dim. I went to settings and it says "Windows can't adjust the brightness on this display" . Restarting the computer does nothing.

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Windows 8.1 Toshiba Satellite - Unable To Adjust Screen Brightness

Aug 24, 2014

I have a Windows 8.1 Toshiba Satellite L875D-S7332, with a AMD A6-4400M APU processor with integrated graphics. My display adapter, according to device manager, is a AMD Radeon HD 7520G.

Now, my problem is that I'm unable to adjust the screen brightness of my laptop. I haven't made any recent changes, and I noticed this about a week or so ago(I don't typically change my laptop brightness, so this could have been happening for longer). In the mean time, I've tried rolling back my display drivers, with no success, and also updating to the latest driver set, which has also not worked?

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Maintenance :: Can't Adjust Brightness Of Screen

Mar 6, 2014

So, a few days ago the battery of my laptop died and when I charged it and power it up again I found that I can't change the brightness of my screen which I was able to few minutes before. I tried fixing it by going onto control panel>hardware and sound>power option, but it didn't work. It's just stuck. What can I do? Is my laptop broken?

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Graphic Cards :: Brightness Won't Adjust In Any Way When Its On?

Nov 11, 2013

I've noticed that whenever I unplug my charger my brightness dims down to a point where I know its on, but I can't use it. Usually I have to put my computer to sleep and turn it back on to get it to fix. Also, the brightness wont adjust in anyway when its on. I've tried the function keys and the setting in the side bar. I have a toshiba laptop running windows 8.1 . I also have recently completely wiped it thinking it was a virus of some sorta with no change.

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Dell :: Inspiron 1564 Reboots When Adjust Brightness After Upgrade To Windows 8 Pro

Nov 3, 2012

I just installed the windows 8 pro on my dell inspiron 1564 but there are ceratin problems that im facing, like when I increase or decrease the brightness of my screen my laptop reboots and when I remove the power adapter it reboots

a message comes on the screen saying your laptop ran into some problem and needs to restart

I know that the display driver is the main culprit here but where to get a newer driver?as dell is not upgrading the drivers. 

Dell ispiron 1564
i3 processor
4gb ram

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Installed Latest Driver But Unable To Adjust Brightness

Jan 12, 2014

2 month ago i had this problem so i searched for a solution here (get back to the basic display adapter ) and it worked fine and no problem appeared . but now whenever i want to play a game like begone or heroes and generals my cpu usage become 100% and i get 20 fps usually 100 also i cant play i all drivers are updated : and if i want to play games i have to install the latest driver but i cant adjust brightness

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Lenovo Ideapad Z500 Touch Dimmed Screen - Can't Adjust Brightness

Jan 22, 2014

the screen on my lenovo ideapad Z500 touch has dimmed and i can't adjust it back. i've tried the all the brightness settings i can find adn even updated the drivers but this hasn't worked,

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Hardware Drivers :: ASUS S400CA Brightness Not Adjusting?

Jul 28, 2014

I have an ASUS S400CA running Windows 8.1 (64 bit) and I am having a major issue. When I click Fn + F5/F6 to increase or decrease the brightness, nothing is happening. The slider is stuck beyond a point and the brightness does not change regardless (it is stuck at the highest setting). I have tried to fix this issue by changing brightness settings in the Control Panel, Battery Options, etc. but nothing is working.

I have tried to find previous versions of the Intel HD Graphics 4000 Driver on the Asus website but only find the one I am using. What should I do?

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Hardware Drivers :: Function Keys Work Fine Except For The Brightness Keys?

Dec 21, 2012

Recently did a clean install of windows 8 on my Asus K53SV and the function keys work fine except for the brightness keys.Actually, at first i loaded the windows 7 atk package and the brightness keys worked but the volume ones didn't then i got the latest atk package and now the brightness ones don't work (the lower brightness one just dims my monitor a bit and the increase brightness just makes it brighter a bit but doesn't change the brightness value) and the volume ones do.

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Download First Pdf File - How To Adjust Print

Apr 21, 2014

I downloaded my bank statement today and printed same. Print came out pretty small. Normally, on my windows XP pro, when I did this, the print was normal size, if I can say that. Usually it was a "fit-to-page" thing. I couldn't see a way to download the file and make any modifications. Also, in the past I was using Adobe Reader program. Wondering what program windows 8.1 is using and if I need to download and install the Adobe program and somehow set it as the default program.

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Audio :: How To Adjust Sound Level

Jul 5, 2014

Everytime I depressed the volume up/down key on my keyboard, it raises the volume in windows by 6%. Is there anyway to modify this? For example I would like the volume to rise or lower by only 3% everytime I depress the volume control button on my keyboard. I have messed around with the settings and can't figure out how to make this work.

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Brightness Control On Windows 8?

Jul 13, 2013

Any fix for nebtook Samsung N145P and brightness control on Windows 8?

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Windows 8 Brightness Increments?

Mar 13, 2014

what the registry key (or other option) was for the incremental brightness steps.

I am trying to figure out if I can lower the amount that my brightness changes in each "step" or click of the brightness function key. I know for a fact my display supports changing the brightness in smaller increments (You can do it with the slider in the battery settings) I just need to figure out how to change the amount that Windows increments/decrements per key-press.

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Windows 8.1 And Brightness Adjustment

Jun 21, 2014

I've installed windows 8 and I was able to change the screen brightness without any issues. After installing windows 8.1 however, I wasn't able to change the screen brightness. I was only able to change it when using the standard windows graphics driver, but when using the AMD driver it won't work.

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Cannot Change Screen Brightness In Windows 8.1?

Jul 4, 2014

I just yesterday finished my new computer (16Gb RAM, i5-4470k, GTX 770, Win 8.1, etc.) and I just today realized that I cannot change the screen brightness. The button is grayed out and says "Unavailable" which I know cannot be possible.

Now, i have done my research and people say that the fix is to update your drivers through the Device Manager, and I have tried that to no avail. I have tried all possible combinations of "Display Adapters" and "Monitors" drivers. None work. I have been restarting my computer after every change .

One thing that I might add is that a lot of people remedy this problem by reverting their Intel Integrated drives back to an older version, but I do not have an option to change it's drivers. It shows up nowhere in the Device manager.

My eyes are burning as I am typing this and I would even go for a third-party brightness program (if that even exists).

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Not Able To Change Brightness After Upgrading To Windows 8.1

Oct 26, 2013

I just upgraded to Windows 8.1 and I have installed all the updates provided by Microsoft but it seems like I cannot change my brightness in my laptop although it was working fine in Windows 8..

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Dell :: Windows 8 Pro Brightness Unavailable

Jan 25, 2013

I have old Dell Inspiron 9300 laptop. It had windows xp sp3 and I upgraded it to windows 8 Pro. After upgrading I noticed the  brightness icon on the settings had unavailable written on it. I am unable to change the brightness setting. When I point the mouse on top of the brightness icon, it reads Windows cannot adjust the brightness on this display. Also the functions keys on the keyboard for brightness don't work. Is the problem with my Quickset Driver ?  

Other than this issue the laptop is working fine. The audio is working.

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Adaptive Brightness - Windows Keeps Turning Off Screen

Feb 11, 2013

I have: Turned off adaptive brightness, told it to never dim the screen at any time for any reason under any battery plan, and still, right-on-the-dot, at exactly 1 minute, my screen turns off.

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Windows 8.1 Brightness Constant - Cannot Increase Or Decrease

Mar 30, 2014

i have windows 8.1 and i have brightness issue it is constant it is not increasing as well as not decreasing.

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Adjust Screen Resolution - Screen Tiles Do Not Appear Automatically

Nov 28, 2013

Each time I start the computer is is necessary for me to adjust the screen resolution to cause the screen tiles to appear when clicking "start" on the right side of the screen. What am I not doing? When I open the computer the next time I adjust the screen resolution back to a different setting and the tiles come up.

Also (I'm obviously a newcomer to W. 8), I get a dialogue box each time which refers to to: "RUNDll". Something about an issue with opening something???? I click "OK" and it goes away. Appears every time I start up.

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Windows 8 - Make Brightness Adjustment Fine Like When Using Touch?

Dec 19, 2013

This seems to be common on all Windows 8 machines as I've tested on many. With Windows 8 if I use the laptop or tablets brightness keys, it goes up in increments it seems of almost like 10%. However if I use touch and slide my finger, you can fine tune the brightness in between. Is there any way to do something similar with the physical keys through an update or plug in? My issue is I'm sensitive to brightness so I use my laptop at the lowest setting, but even 1 notch up is too bright for me, so I'm always using my finger to try and get it right in between which is difficult.

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Maintenance :: Sony VAIO On Windows 8 Can't Change Brightness

Dec 28, 2012

I have a Sony VAIO VPCS11X9E and my screen brightness is at the lowest setting for some reason. Also, my FN keys for the brightness setting won't work. Any means of changing the brightness does not work, this does include the brightness bar when you go into settings.

I have tried so many driver installs, checked for any missing drivers or out of date drivers, but the only one that seems out of date is my Intel HD graphics which I HAVE updated, yet the Intel driver update checker says otherwise.

I have disabled AND enabled (just in case) the adaptive brightness, but it does NOT work.

I did have Windows 7 Ultimate running on before but decided to upgrade to Windows 8. Windows 7 never had any issues with brightness. Also when I load up, even thought I have replaced Windows 7 with Windows 8, it still loads up the dual boot screen asking me which OS I want to boot with. Booting with Windows 7 will blackout a few times then it will take me to the VAIO repair system. Windows 8 obviously takes me to Windows 8.

When the laptop boots up, the large letters or 'VAIO' are bright and normal and sometimes, but not always, when it gets to the dual boot screen, the brightness is normal. However, when this does happen, as soon as I move the mouse or click a button, the brightness immediately goes back down to very dim.

When it loads up into any other system or boot program the brightness is fine. For example when I go into Sony VAIO's recovery center, the brightness is ok. Also, if I boot into something like miniXP or a separate OS on a bootable disk or USB, the brightness is fine as well.

I have tried many driver fixes, but NONE of them work!! I have tried booting up into safe mode and trying to manually install certain drivers because that apparently works, but it does not make any difference at all.

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Maintenance :: Windows 8 Laptop - Lock Brightness Settings?

Mar 12, 2013

Well, I have installed Windows 8 on my laptop, but was wondering if there is a way to lock the screen brightness.

The reason being is that family members constantly mess with the brightness and sometimes leave it at 100% when using the battery. I basically want to extend the life of the battery if it is possible by disabling or locking the screen brightness at a certain level.

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Windows 8 Brightness Is High On Startup But Goes Back To Normal?

May 14, 2013

I recently installed windows 8 on my dell laptop. The brightness is automatically set to higher than my normal settings whenever the PC boots up. It starts from the Blue Window 8 logo screen to the Select Your Operating System screen. I'm dual-booting windows 7 and 8. When it reaches the Enter your user password screen, it goes back to back to normal settings. (I always set Brightness to lowest possible). So basically this always happens when the PC boots up, But it auto-adjusts itself to my settings after I enter my password).

I installed the Ambient Light Sensor drivers for my laptop to fix the Device Manager yellow exclamation marks. But I disabled the Ambient Light Sensor service in Services.msc, but that didn't fix it ... Adaptive Brightness is also disabled..

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Can't Change Brightness Of Screen

Nov 26, 2012

I have gone into the control panel and tried changing the screen brightness but nothing seems to work. I am the system administer so I should be able to set all changes.

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Win 8.1 - Screen Brightness Went Up And Can't Control It

Jun 20, 2014

When I upgraded to win 8.1 my screen brightness went up and i can't control it. i tried re-installing the graphic drivers but it's not working. Also my battery backup has decreased from 3.5 hrs to 2 hrs only. What do i Do?

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