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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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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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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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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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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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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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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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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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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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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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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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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Dec 22, 2012
possible ways to adjust one's screen brightness within windows 8 on a laptop?
for some odd reason the laptop only adjusts the brightness when on the battery and it does that intelligent adjustment crap(tried to find a more polite word....failed).
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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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Feb 9, 2014
I have an Acer Aspire 8930G with Windows 8.1 x64 and Windows 7 x86 as a dual-boot. I use 8.1 as my everyday OS and only boot into 7 to play older games that only work with a 32-bit OS.
Ever since I installed Windows 8, I have not been able to adjust the brightness of my screen. Note that this problem started since I installed 8, not 8.1, and before I put on the copy of 7 as a dual-boot. When I use Fn+left/right (the brightness keys on my PC), the brightness slider appears on-screen and goes up and down, but the brightness of the panel doesn't actually change. Using the Charm doesn't work either, nor does adjusting it through the Control Panel.
I have tried fiddling with my Power Options in the Control Panel and disabling adaptive brightness. I have tried several different driver versions for my GPU, a GeForce 9600M GT. None of this has worked.
In Windows 7, however, the brightness controls work fine. If I want to adjust my brightness for 8.1, I have to boot into 7, change the brightness there, and then boot back into 8.1, where it will keep whatever brightness setting I was using in 7.
Is there some messed-up thing in the Registry? Is my GPU's firmware maybe just not compatible with Windows 8? I took a look at TechPowerUp's repository of GPU BIOSes, but it appears I already have the most recent one.
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Sep 28, 2013
I've recently picked up a Samsung ATIV Book 9 Plus (first windows 8 experience) and have come across a display issue whenever the laptop gets unplugged, namely that the colors become incredibly dark as it the contrast takes a dive.
Here is a recreation.
[URL]
Specs from amazon:
Intel Core i5-4200U Processor4GB (4GB x 1) DDR3 Memory (1600MHz)128 GB Solid-State Drive SATA313.3" LED QHD+, 3200 x 1800, 16:9, 10 Point Capacitive Touch Screen, Intel HD Graphics 4400Windows 8 (64-bit)
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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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Sep 15, 2014
Recently I turned on my computer (Acer Aspire V5 122-P) and went to change the brightness. And using the FN keys and changing the brightness returns the same value rather than changing it. The other FN keys such as Volume +/- and turning adapters on and off still work. It is just the brightness keys. I would like a fix as I need long battery life and this is causing excessive battery drain. (I have tried turning it off and on again to no avail)...
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May 20, 2013
Since installing Windows 8 to my laptop, I can no longer display to my Samsung USB hub monitor.
When I try to duplicate or extend, the hub says 'Connecting to PC...' but then nothing happens. Something is working as my mouse and keyboard are plugged into the hub and they work. I just cant get the display. I think all my drivers are up to date.
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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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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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Dec 16, 2013
I have tried to change my screen brightness for the first time since downloading windows 8.1(about a month ago) and it is stuck a the lowest level. I have used the keys, the settings, and even the "Adjust screen brightness" button after clicking on the battery in bottom right of screen. I looked at my drivers and checked if my "Display adapters" needed to be updated, it didn't.
Lenovo Laptop: 6 GB RAM, 64-bit OS, i5-3210M Intel Core, Windows 8.1
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Jun 20, 2013
i have a smal probleem with My new Acer tablet. The brightness of the screen randomly changes. i did some googling and i learned the tablet is able to auto adjust the beightness. I found a sensor on My tablet and did some testing by shining on it with a pocket torch and saw with more light the brightness increased. How i want it off. I Tried switching off the adaptive settings bit it didn' t work..
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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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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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Nov 27, 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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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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Jan 14, 2013
I bought Dell 5521 2weeks ago (8gb ram 1tb hdd i5 1.70ghz). Whatever, now, i can't use my FN+F4/F5 keys. I can't control/change my screen brightness. Other Fn keys are normal. I can use them but just i can't use my brightness. What should i do? A person said me that "download the Fn key's driver" but i don't know which driver is.
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Sep 3, 2013
I have a HP envy m6 notebook and when im viewing websites the brightness will keep randomly changing. Why is this and how do I stop it? I've gone into the settings and turned off the 'enable adaptive brightness' but it still seems to keep happening.
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Feb 22, 2014
The screen brightness is stuck at a low level and I can't change it. Every time I have to uninstall the driver and install an older version.
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Dec 30, 2013
I have Lenovo G580 running 8.1 with intel HD4000 and Nvidia Geforce 610 & Intel CoreI5 3210 2.5GHZ 3rd generation
the problem occurs after few days from updating the Intel video card which is simply i can't change the screen brightness whether using the [function+uparrow ] or control panel, it works well when i roll back the driver so am I stuck with the old driver which i can't update or what?
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