Lcd Screen Brightness On A Laptop?

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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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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Graphic Cards :: Can't Change Laptop Brightness?

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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Laptop Colors Darken When Unplugged (not Brightness)

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.

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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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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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Graphic Cards :: FN Keys On Laptop Respond But Don't Change Brightness

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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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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Screen Brightness Will Not Change?

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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Why Brightness Of Screen Randomly Changes

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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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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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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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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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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Can't Change Brightness Of Screen As System Administrator?

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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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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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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Dell :: 5521 - Cannot Use Fn Keys To Control / Change Screen Brightness

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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HP Envy M6 Notebook - Screen Brightness Keeps Randomly Changing When Viewing Websites

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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Graphic Cards :: Intel HD4000 Screen Brightness Stuck At Low Level?

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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Graphic Cards :: Can't Change Screen Brightness After Updating Intel HD4000

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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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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Windows 8 Blue Screen Error When Laptop Screen Dims

Nov 7, 2012

I get a blue screen error of "driverirql_not_less_equal" when my laptop monitor dims.

Specs:

OS: Windows 8 Professional (64 bit)
Intel i7 2640M
8 Gb Ram
1T HD

The attached screen capture is the location of my error.

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Windows 8 Laptop Changes To Second Screen Only On Its Own

Sep 15, 2014

I've had this issue since day 1 of me buying this laptop and it is really annoying. If you press f4 it comes up with a "Project to a connected screen" and my computer is changing this option on it's own, it changes to Duplicate as well as Second screen only and it starts to get annoying quickly.

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Laptop Starts On Dim Screen?

Mar 22, 2014

So ever since i upgraded to windows 8.1 my laptop has been having a slight problem. When ever i turn on my laptop after i turn it off at night it starts as a dim screen. The only way i can make it go back to normal is by restarting my laptop but this gets reallllly frustrating cause i have to do this everyday when i start up my laptop. I try to increase my screen brightness but it would just say its at 100.

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Laptop Was Freezing And Screen Went Blue?

Jul 16, 2014

My laptop has been fine since the last episode but today it was freezing and the screen went blue and it needed to shut down. I let it do it's thing and it referenced -- kernal_data _inpage_error and since then it has been good for a few minutes but as soon as I attempt to multitask everything freezes for 3-5 mins and I can't do a thing. It is like it needs to catch up. get my laptop back in speedy order As I move over to a new tab that is taking some time to load I notice is says waiting for cache.....on the bottom... then it locked up -- just for maybe a minute.Both Google Chrome and IE give me the "Not Responding"

System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8.1, 64 bit
Processor: Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 4
RAM: 8047 Mb
Graphics Card: Intel(R) HD Graphics 4000, -1984 Mb
Hard Drives: C: Total - 905049 MB, Free - 761854 MB; D: Total - 25599 MB, Free - 25452 MB;
Motherboard: LENOVO, INVALID
Antivirus: AVG AntiVirus Free Edition 2014, Updated and Enabled

Also got an error that said my system denied write access to host files. If any hijacked domains are in this file hijack this may not be able to fix this...then it tells me to edit the file -- wasn't sure if I should yet so I did not.

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Windows 8 Laptop Screen Turns OFF?

Sep 4, 2014

I am fixing an HP Pavilion g7 Windows 8 laptop and when I turn the computer on, in about 5 minutes the screen powers down but the hard drive is still running. I have set the power options to turn OFF the display to never and to put the computer to sleep also to never and I have it set to power saver, the computer will repeat the same process over and over again. I have access to the internet or watch you tube videos but the problem remains.

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Turn Off Laptop Screen Without Waiting For It To Go Off?

Nov 27, 2013

I have an ultrabook running windows 8 but it doesn't have a dedicated function button that lets me turn off the display.

Is there anything built into windows 8 that can let me turn off my laptop display with just a couple of clicks or a new keyboard shortcut?

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Windows 8 Gateway Laptop Stuck At Welcome Screen

Dec 22, 2013

I was using my laptop yesterday when I went to lock my account. When I did this, the laptop presumed to shut off. It now boots up fine, but I cannot pass the Welcome Screen to login.

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HP Laptop Windows 8 Desktop - Screen Flashing

Apr 4, 2014

I have a Windows 8 HP laptop and the screen is just flashing. I have looked through other users posts and tried a few things but nothing is fixing the issue. I can't get past the flashing screen to enter Control panel, Safe boot or anything as the flashing is preventing me getting anywhere!! Lots of photos not backed up so don't want to lose them!

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