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[SOLVED] Can't adjust brightness, missing brightness sliders

Q: [SOLVED] Can't adjust brightness, missing brightness sliders

OS: Windows 7 Home Premium
64-bit
Windows 7 pre-installed
CPU: Intel Core i3 380M
Motherboard: Dell Inc. 07FXP8
Graphics: Generic PnP Monitor ([email protected]) on Intel HD Graphics
Dell Inspiron N5040

Beginning today, I opened my laptop from sleep and noticed the display was at its lowest brightness setting. I then tried to restart it to see if that would solve it, no luck. I did some googling and found out it could be a problem with the graphics driver. I then disabled it and enabled it. Now the brightness is at its max settings.

The function (FN) + F4, F5 (the keys to adjust the brightness settings) do nothing. The brightness status will show up on the screen and only change 1 or 2 notches.

I then realized I should have a way to adjust the brightness via the Power Settings in the Control Panel. I even confirmed this with a friend. I should have the sliders to adjust the brightness but I do not. It's very strange.

This is the screenshot from my friend:



This is the screenshot from mine:

RELEVANCY SCORE 200
Preferred Solution: [SOLVED] Can't adjust brightness, missing brightness sliders

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

A: [SOLVED] Can't adjust brightness, missing brightness sliders

Hello,

I would suggest uninstalling the graphics driver and get the latest driver from the Dell Support site installed.

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RELEVANCY SCORE 129.6

Hello there, I need help please! I can't fix the screen brightness. It appears to be stuck on full brightness which draws my battery life quickly and hurts my eyes during nights. The brightness button in the action center is missing, there is no brightness slide bar in the display setting nor in control panel, and brightness fn buttons in the keyboard are not working as well. When I click on the battery icon, there is a brightness button next to the battery saver button but also not working (not even clickable).I searched online and I tried:- updating/reinstalling/rolling back display drivers- resetting pc (reinstalling windows)- many other little repairs College is starting soon and I really need my battery life and I will be studying on my laptop in late hours so this brightness issue is a big trouble for me    


























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RELEVANCY SCORE 112.4

My screen brightness using FN+F11/F12 and also in the advanced power settings slider won't adjust the screen to anything other than brightness and minimum or brightness to 100% when I move the slider.  It shows the percentage moving up and down, but the screen stays 100% until I'm on the lowest setting,  then it goes right to minimum.  I received a bunch of Lenovo updates on the first Wednesday of this month and I've had several issues since then, I tried reverting back to previous drivers, but it made no difference, so I'm back on the latest drivers.

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RELEVANCY SCORE 110

i have hp notebook 15 ac 119 txbecause of various errors after windows update i put my system on recovery after the recovery again the problems have started coming. recent problem is of brightness. i cannot adjust my brightness at all. F-keys from keyboard have no effect and even it can not be adjusted through control pannel. i checked in device manager regarding the dispaly drivers update. it says i am using the latest versions of display  drivers.please help. 

A:brightness keys not working ; can't adjust brightness at all

Hi, I'd try reinstalling the amd/intel switchable graphics software package on the link below as it mentions a fix related to the f2/f3 keys. http://ftp.hp.com/pub/softpaq/sp74501-75000/sp74717.exe When this has completed, restart the notebook. Regards, DP-K

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RELEVANCY SCORE 104

I just noticed that any way to change my brightness for my laptop has gone. And it's currently stuck on max brightness, which hurts my eyes.

Usually the function buttons on the keyboard will do the trick, or the sliders in the taskbar/Control panel.

But suddenly it disappeared

I've checked out other posts and I can't seem to find any with the same situation.


Even the brightness slider on the mobility center isn't functioning too.

Thanks.

PS btw am I posting in the right thread?

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RELEVANCY SCORE 101.6

Hi, this is my first post. Sorry for any noobyness.
 
Yeah, my laptop is outdated and lenovo didnt update the Power Management drivers.
I googled around alot but didnt find any solution and read that it is a Windows 8/ Intel's graphic drivers bug.
 
Problem:
Brightness adjustment doesnt work. It stays on full. 
 
I tried editing the file BrightnessControl in regedit to 0 and 1. Didnt work.
 
Help will be appreciated. 

A:[Lenovo Z560] Brightness sliders not working!

Lenovo doesnt list win 8 drivers for z 560.
 
Go to windows updates and see if you have any optional updates related to power management drivers.
 
If that doesnt help,try this
 
http://download.lenovo.com/consumer/mobiles/em80220.exe
 
This is was for windows 8,lenovo z570.This driver should work for your model too

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RELEVANCY SCORE 100

just recently changed keyboard as last one is faulty and now the keyboard fitted is faulty so cannot use fn button and too dim to see screen.

my notebook is d150 acer

any help appericated
 

A:Solved: How to adjust brightness without the fn button?

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RELEVANCY SCORE 98.4

Using the laptop on battery, when I press on F11-12, the brightness meter is shown on the upper left like usual, but it won't move up or down.  Yet I think it's strange that all other places I can adjust brightness are fine, and especially strange that everything is working totally fine on AC power.
I tried uninstalling the Generic PnP monitor and reinstalling, but to no results.  Also, both my power settings on battery and on power indicate no adaptive brightness.

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RELEVANCY SCORE 98

How do you adjust the brightness in media player classic?
I tried googling it first,
And I was told something about it being easier to adjust brightness if the file is an MPEG file.
Or something about only being able to adjust the brightness if you have an nVidia video card.
But what if the file is an AVI, or MKV file and you don't have nVidia?
One website said:
View > Options > Miscellaneous > And there's your brightness slider.
Well my slider is there, but it's stuck at "0" and I can't adjust it any higher.



I installed MPC with Combined Community Codec Pack,
and so ffdshow is decrypting or decoding or whater you wanna call it.
Here is the options when i right click on ffdshow video decoder:

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RELEVANCY SCORE 91.6

Hi all, Some of the user reporting their screen brightness adjust by iteself.Use HP display tune and check the setting, it automatically adjust to 50 % of brightness.  i check the  update of hp display tune, nothing news about this software. Please guide me how to fix this annoying issue.  

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RELEVANCY SCORE 91.6

my dell inspiron 5558 is log off while pressing f11 or f12 for brightness adjustments
 please solve my issue

A:cant adjust brightness

What operating system? That can make a difference. The top row F keys toggle between functions depending on using or not using the FN key-see your manual since diff computers have diff instructions. Try using the FN key with the F11, F12.
www.dell.com/.../manuals

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RELEVANCY SCORE 91.6

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, any ideas would help thanks.
 

A:i can't adjust the brightness

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RELEVANCY SCORE 91.6

Recently I noticed that i cannot adjust the brightness on my ENVY laptop. This is a main issue because having a bright screen in a dim lecture hall hurts the eyes. Also for some reason, once i plug in the power cord, the option to adjust the brightness happens. I've tried updating the drivers, and nothing has changed. I have also tried using a previous version of the drivers. Nothing has worked so far. Any help would be appreciated.

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RELEVANCY SCORE 91.6

Ok I've had vista for a long time, but I switched over to XP and everything is perfect except from one small detail that is kinda big for me. I can't adjust the brightness in my laptopIn vista all I did was press fn left/right arrows to adjust it. And from what I know this is the way you do it in most laptopsNow in this XP I had to install all drivers. Specifically from this page http://www.laptop-software.com/acer-softwa...5738zg-drivers/when I install the graphics driver, VGA intel driver for vista is the one that's used for my computer from that list, the brightness just goes to the max apparently and I can't use fn arrows to adjust it. I CAN use fn arrows up and down to adjust the volume so there is definitely something fishy here. If I uninstall the driver I can use fn to adjust the brightness normally so I know the problem is when I install the driverthis brightness is driving me crazy! the driver bring something called Intel Graphic Media Accelerator which has an option for brightness, but it seems as if that's a different type of brightness cause it just makes the screen duller. You can actually still see a lot of brightness coming out from the computer but the screen is very dull. And it still damages my eyesany help?

A:Can't adjust brightness

Please perform the following, so that we can get the exact specs of your computer. This will better assist us in helping you more.Publish a Snapshot using SpeccyThe below is for those who cannot get onlinePlease take caution when attaching a text file to your post if you cannot copy/paste the link to your post, you will need to edit it to make sure that your Windows Key is not present.

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RELEVANCY SCORE 91.6

I also have this problem. Can somebody give me a walkthrough how to uninstall the driver, and reinstall the old one?

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RELEVANCY SCORE 91.6

I can't adjust the brightness on my laptop.I have tried;Method 01.Open Windows Control Panel, click on Hardware and Sound, then in the Power Options Section, click on"Change power-saving settings." There's a slider to adjust brightness at the bottom of the window. Method 02.Open Windows Control Panel, open Windows Mobility Centre and adjust the brightness here Method 03.On most of the Notebooks, tapping F3 and F2 Key will often increase and decrease the screen brightness None of which work.

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RELEVANCY SCORE 91.6

SorryI cant adjust brightness in my laptop like low or highpls help me by the valid answer

A:can't adjust brightness

Hi, Try the following. Download the graphics installer on the following link and save it to your Downloads folder. http://ftp.hp.com/pub/softpaq/sp72001-72500/sp72370.exe When complete, download and reinstall the Chipset driver on the following link. http://ftp.hp.com/pub/softpaq/sp69501-70000/sp69575.exe When the Chipset installation has completed, do not restart as prompted - instead, open your Downloads folder, right click on the graphics installer and select 'Run as Administrator' to start the installation. When this has completed, shut down the notebook, unplug the AC Adapter and then remove the battery.  Hold down the Power button for 30 seconds.  Re-insert the battery and plug in the AC Adapter. Start the notebook and let Windows fully load for a few minutes before checking if the f2/f3 buttons function. Regards, DP-K

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RELEVANCY SCORE 91.6

Hi everyone,

Does anybody know how to adjust the brightness for DVDs in Windows Media Player?

My video settings only work for downloaded videos, not for DVDs.

Thanks,

Larry
 

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RELEVANCY SCORE 91.6

I am not able to change the brightness on my screen when using the battery or when plugged in. It is stuck at the brigthest option even if I decrease the brightness via the function key on my keybord or via the control panel. My display and monitor dirvers are up to date and are both enabled. Battery saver mode is not turned on. Please let me know how I can resovle this issue. 

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RELEVANCY SCORE 91.6

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
so i need ur help guys

all drivers are updated :

and if i want to play games i have to install the latest driver but i cant adjust brightness

A:can't adjust brightness

why someone help ?

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RELEVANCY SCORE 91.6

my bettery was damage,so i cannot dim my brightness,what can i do in this time 

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RELEVANCY SCORE 91.6

I find the white of the win 10 windows just easy to bright, especially late are night. I don't wanna reduce my monitors brightness cos i have to up it again after to pay my xbox.is there a brightness setting?

A:Adjust brightness?

Originally Posted by Steveyg777


I find the white of the win 10 windows just easy to bright, especially late are night. I don't wanna reduce my monitors brightness cos i have to up it again after to pay my xbox.is there a brightness setting?



You have to use your monitor buttons or your graphic card settings to change it

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RELEVANCY SCORE 91.6

computer came new with windows 10   IT now has windows 8.1 on it   Windows 10 was taken off and windows 8.1 was put on it  by computer repair shop   Before I bought it at a pawn shop

A:can not adjust brightness

Hi: If the brightness is stuck on maximum, you probably need to install the graphics driver. The problem is that HP only supports that model for W10. See if this W8.1 graphics driver works... This package provides the AMD High-Definition (HD) Graphics Driver and Catalyst Control Center for supported notebook models that are running a supported operating system. For notebooks with switchable graphics modes, this package includes drivers for both graphics processing units (GPUs). Switchable graphics enable users to switch between a power-saving graphics mode (normally used under battery power) and a high-performance graphics mode. If high-definition multimedia interface (HDMI) video output is supported, this package also installs the HDMI Audio Driver. http://ftp.hp.com/pub/softpaq/sp72501-73000/sp72773.exe

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RELEVANCY SCORE 91.6

How'dy! After formating and updating my G50-70, the brigtness stopped working. i can't adjust it with hot keys or manually. Tried to update the graphics driver but that didn't work either.  Windows 8.1. Also draining the battery very fast with only usage of chrome.Please help!

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RELEVANCY SCORE 91.6

I can't adjust brightness on my Thinkpad X1 Yoga. I've run all the latest driver updates, used lenovo companion and everything is up to date, including bios. No matter what I do the brightness will neither increase or decrease. It's stuck on full brightness, so it's not too bad, and I'd be loathe to send it in for repair and lose a week or work to get it fixed. Is there anything anyone can suggest that might help software wise? Thanks!

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RELEVANCY SCORE 91.6

i can not adjust my HP 15-ac022nia brightness after i mistakenly deleted the Os that came with it 8.1 but i installed windows 10 instead now i can not adjust my brightness what can i do?

A:Re: Cant adjust brightness

Hi: The only suggestion I can offer would be for you to install the graphics driver and restart the PC. This package provides the driver that enables the Intel High-Definition (HD) Graphics in supported notebook models that are running a supported operating system. If highdefinition multimedia interface (HDMI) video output is supported, this package also installs the HDMI Audio Driver. http://ftp.hp.com/pub/softpaq/sp78001-78500/sp78245.exe

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RELEVANCY SCORE 91.6

Hello All,

Badly stuck up.

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

UNABLE TO ADJUST BRIGHTNESS.

Have tried Control Panel, Fn keys.

Please help. Urgent.

A:Cannot adjust brightness -- Please help

Download Live Acer Updater and check for updates and download them.
Make you use also have installed Acer ePower Management Application .

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RELEVANCY SCORE 90.4

Already checked all settings including the ones on the lenovo app thing. Went to device manager and checked the generic pnp montior to make sure it was on it was. Updated my laptop to recent windows 10 did nothing. So please help!

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RELEVANCY SCORE 90.4

Hi! I have an ASUS VS238 monitor. I'm trying to change the brightness settings---way to bright. I push the contrast/brightness button on the bottom of the monitor and a little box pops up with brightness. I click on the up/down buttons on my keyboard and nada. Nothing happens. After a few seconds the box disappears. I've tried using the cursor, but as soon as it tries to enter the brightness box it disappears. I've tried the menu button, and the up down buttons don't work, but if I push the menu button again, it drops down to standard. I push the button again, and I get a box asking yes or no. It's set on no. I push again and it returns to standard, push again and I'm in a back and forth loop. How do I get the buttons to work? Any and all responses will be greatly appreciated. Thanks.
 

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RELEVANCY SCORE 90.4

I just received a second-hand T550 and it is a great machine, with one problem: I cannot change the screen brightness. I have done a clean reinstall of Windows 10 and let Lenovo System update download all the drivers, but I cannot change the brightness anywhere. Not with the Fn keys, not in the notification center, and it doesn't even show up in the power options. Where on my other laptops there are options for turn off display, put computer to sleep and brightness, on my new T550 the brightness option is non-existent.I have installed the latest:intel 5500HD driverhotkey integrationmonitor inf fileAnd still, it is not working. Does anyone have a suggestion for me?





---------------X220 Tablet 4298R45; X200s 7470CR9

A:T550 can't adjust brightness

It means someone changed the LCD to a non-Lenovo panel.  The edid (configuration chip) has the wrong information.

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RELEVANCY SCORE 90.4

Hi. I have an HP EliteBook 2740p. There are icons on the F9 and F10 keys to adjust the screen brightness up or down. But when I hold the Fn key and press either F9 or F10, the screen brightness does not change. Is there some other setting somewhere that is preventing me from adjusting the screen brightness? Is there a driver that I need to download to activate these keys? Thank you

A:How to adjust screen brightness?

Have you tried them without the Fn key? .

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RELEVANCY SCORE 90.4

Product Name: HP 550
Total Memory: 2.00GB (1.99 GB system+8MB video)
Processor Name: Intel(R) Core(TM)2 Duo CPU T5670 @ 1.8GHz (1800 MHz)

----------------------

Hi there....I have read that you are able to adjust the brightness on FN and F7 and F8, but I tried that, no use...is there any other way to adjust the brightness on a laptop computer (info about the laptop - above) ?

just curious...

Thanks.
 

A:Adjust the brightness (HP 550 Laptop)

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RELEVANCY SCORE 90.4

I have a samsung 7 series laptop running windows 8. this stupid thing adjust the brightness setting all by itself. when the light in the room is turned off, the screen dims, when the light in the room is turn on, the screen gets brighter. when i check the brightness settings to try to make it brighter after its automatically dimmed, it shows that the screen is at maximum brightness which i know is bs because as soon as i turn the light in the room on, the screen gets bright again!!! so im stuck using the computer with a dark screen that i can barely see. how do i manually set the brightness and keep this stupid computer from doing it by itself?? any help is appreciated 

A:how to adjust brightness settings?

Hello, and Welcome
See this link.  Good Luck.
 
There is also a video but it is kind of rough.

http://www.youtube.com/watch?v=0lyFKtRDInI

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RELEVANCY SCORE 90.4

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.

What do I do?

A:Screen Brightness won't adjust

Contact the shop that did the replacement, and ask them why it doesn't work now.

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RELEVANCY SCORE 90.4

I have a Compaq Presario, series 5503 computer. I need to adjust the brightness. Any help would be appreciated.
 

A:How to adjust brightness Presario

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RELEVANCY SCORE 90.4

Good morning. I have a 8560w win with 7-64. How can I adjust the brightness of the display? The fn + f9 and fn + F10 keys do not work.Thank you

A:How to adjust brightness on 8560w?

Download, save and install this: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-elitebook-8560w-mobile-workstation/507...Restart system.Have you already installed graphic driver?https://support.hp.com/us-en/drivers/selfservice/hp-elitebook-8560w-mobile-workstation/5071171

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RELEVANCY SCORE 90.4

I have a new ThinkPad X1 Carbon Business Laptop with Win10. When I first set it up, I had no trouble adjusting the display brightness, but now the screen is too dark and I can't change it, either by using the function keys or by right-clicking on the desktop and using display settings. How can I get that capability back?

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RELEVANCY SCORE 90.4

Hello, i'm not sure it's the right place i'm posting this.
I formatted my computer, and now it seems that the option to adjust my screen brightness has disappeared...
When i go to Power Options there is no slider what so ever.
 

A:I can't adjust my screen brightness

is this a windows PC and if so which version of windows
http://social.technet.microsoft.com.../thread/08a3eb1d-b698-4639-af4b-5278b721fcdc/
http://kzhiwei.wordpress.com/2011/0...ng-laptop-screen-brightness-slider-windows-7/
 

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RELEVANCY SCORE 90.4

Hello everyone, I just yesterday received my T450 and in general I am really happy.What drives me a little crazy is, that I cannot adjust Brightness. I'd be really happy, if someone could help. The system:T450Windows 10 <-- cleaninstalledAll Drivers up to date (thinkvantage-thingy says so)---------------- The Problem:Cannot adjust brightness via FN + F5/F6Cannot adjust brightness in the energysaving optionsSwitching between energysaving mode and normal mode doesnt affect brightnessCan adjust brightness with the Intel HD Graphic tool, but it looks weird. ---------------What i tried:-Updated BIOS- deleted Intel drivers and loaded the newest one from lenovo homepage- deleted pnp-monitor and reinstall- deactive/activate pnp-monitor This annoys me kind of hardcore. I travel 4 hours at 3 days a week. I bought this notebook to use it in this time. Adjusting brightness kind of is key in a train. So safe me and earn everlasting love!  

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RELEVANCY SCORE 90.4

Hi guys, My laptop, HP Pavilion 14-AC121TX running on Windows 10, is only three days old, and already I can't adjust the brightness. Not through F2 and F3, and not through the Notifications or Settings bar. Even if I switch between 25%, 50%, 75%, or 100%, nothing happens. But I was able to use the F2 and F3 keys just the other day and they worked fine. If anyone could help me please, that would be so great. Thanks in advance.

A:Laptop brightness won't adjust

 Hi @vvildrness, Welcome to the HP Support Community! I read that your HP 14-ac121tx Notebook is not letting you adjust the Brightness. I am seeing that if you change the power plan options to balanced option in the Notebook it will help. Here is a link that will help. Go into your power options. Select Balanced and click Change plan settings. Click Change advanced power settings. Then save setting changes. Please let me know how this goes. To show appreciation for my efforts kindly click the Thumbs Up below. Thanks.

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RELEVANCY SCORE 90.4

I'm not sure if this is in the right forum. But in the last couple months, once in a blue moon I couldn't change my screen brightness, and now in the last couple days it's gotten a whole lot worse. Usually, I can't change brightness either via my 'fn -/+' hotkeys or via the actual brightness slider in the power panel. A full reboot or simple hibernation then reboot both let me change brightness again. But the last couple days, restarting the computer just puts the brightness on either fully dimmed or fully bright, and I still can't change it.

This is an HP G60 laptop, and I've had windows seven for a year on it. Like I said above it only started a couple months ago then got worse this week, and what I've found on google so far was all for newly-updated-to-seven issues. My drivers all seem to be up to date according to the windows update driver function... Can anyone help me?

A:Can't adjust screen brightness??

  
Quote: Originally Posted by bookluvr416


I'm not sure if this is in the right forum. But in the last couple months, once in a blue moon I couldn't change my screen brightness, and now in the last couple days it's gotten a whole lot worse. Usually, I can't change brightness either via my 'fn -/+' hotkeys or via the actual brightness slider in the power panel. A full reboot or simple hibernation then reboot both let me change brightness again. But the last couple days, restarting the computer just puts the brightness on either fully dimmed or fully bright, and I still can't change it.

This is an HP G60 laptop, and I've had windows seven for a year on it. Like I said above it only started a couple months ago then got worse this week, and what I've found on google so far was all for newly-updated-to-seven issues. My drivers all seem to be up to date according to the windows update driver function... Can anyone help me?


since a reboot fixes it (at least temp.) it is probably not hardware but software. Do you have a backup from before the problem started getting worse?

Do you have the win 7 dvd to do a repair install?

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RELEVANCY SCORE 90.4

I have a new computer , HP recline 23 . OS is win8.1 . It came out of the box with win8 , 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?
Any ideas?

A:I cant adjust the screen brightness

Hello sportflyer,

You might see if you may be able to adjust your screen brightness using one of the other options in the tutorial below. Be sure to also look at the related tutorial links at the bottom to see if one may also be affect the brightness level.

Screen Brightness - Adjust in Windows 8

Hope this helps.

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RELEVANCY SCORE 90.4

I have looked every post to see if this has been answered before and the solutions but for some reason none of these solutions are available on my windows 8.



i really dont know whats going on here... every option that is on a forum just doesnt seem to exist on my system. My monitor is a samsung 21.5 inch. Please help me because my eyes hurt from the brightness

A:cant adjust screen brightness

Hi, I too have a Samsung Monitor (T220) which possibly - like yours - does NOT have the necessary software to link with the 'auto adjust brightness' system within the Charms Menu. You should however be able to adjust brightness (and anything else) via the controls which will I expect be built into the side (or along the base) of your screen.If you haven't already got a copy of your manual you can download a PDF from Samsung which will show how to make the adjustments you require.

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RELEVANCY SCORE 90.4

How can I adjust the display brightness in XP? On battery power, the display automatically dims. I want the display to stay at a constant brightness when on battery or on AC power.

When plugged in, my aging laptop's LCD brightens, however it seems as if the power supply cannot handle the increased load, so there is a very annoying flicker; it gets dim, then bright, over and over. Could this be an inverter problem or the backlight or the power supply, or any combination. This is an HP, for anyone has any experience with HP laptops.
 

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RELEVANCY SCORE 90.4

My problem: the display of my monitor is way too dark, even at maximum brightness.
I have an ATI Radeon 9200 SE video card, my OS is Windows XP with SP1. In the video card's control panel I can adjust brightness, but it doesn't work. At some point it did, but since I installed the new Catalyst 4.9 Beta drivers (to boost Doom³ performance), I'm off to where I started: if I start any game; brightness settings get resetted. Most games don't allow me to get it bright enough, some to an extent I can't play them at all!
Now I said it once worked, what leads me to believe I must have done something wrong. I don't think the beta drivers are the cause, since I've had the same problem before, and probably nothing was changed in that area. I already tried to install them again, using Driver Cleaner. I followed it's steps, only forgot the "empty recycle bin" part, but that doesn't sound crucial to me. Then I installed the drivers again, but the problem remains.
Also, overlays for video never worked. But I can easily adjust brightness to acceptable levels with media player, so that's not much of a problem.

Can you give some advice on what may cause this, and what to try? Maybe there are there other programs that adjust brightness for all aplications? Any help is welcome.
 

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RELEVANCY SCORE 90.4

Hello,I am updating my OS from windows 8 to windows 10 64bit. After that i can not able to adjust screen brightness.

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