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G470 Display with extreme low brightness

Q: G470 Display with extreme low brightness

Hi!I'm having this problem.. mi G470 is showing video without almost any bright. I thought that the LED display was wrong so I replaced it, but the problem persists. Somewhere I read that there is a fuse on the motherboard that gives power to the display. Is this correct? Does anyone knows anything about this? (Windows starts normally, ?I can even login...)Any clue will help! Thanks!!

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RELEVANCY SCORE 200
Preferred Solution: G470 Display with extreme low brightness

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RELEVANCY SCORE 62.4

Bluetooth not working after installing Windows 10 on G470
 
 
 
Mod's Edit: System model added to front of Subject line to improve visibility / clarity.
                   Added Subject line to body of message.

A:G470 - Bluetooth not working after installing Windows 10 on G470

Hi ashu2000 , 
 
 
Welcome to the Community Forums.
 
Checking on the Lenovo supported systems list for Windows 10 Upgrade ,  "not listed, it hasn?t been tested for Windows 10 upgrade and is not supported. " for the G570 .
 
Same reasons why on the support site , drivers for windows 10 is not available. 
 
There are claims that it works ok but some have reported devices and apps not working after the upgrade. 
You may check related threads here . 
 
Would there be any yellow or black down arrow marks on the device manager . 
If that is the case , then you may want to try checking the hardware ID to download specific driver directly from the manufacturer if the Windows 8.1 version driver would not help.
Example for Broadcom Bluetooth 4.0 Driver or use windows updates to install appropriate drivers
 
On device manager , you may also use built in drivers in Windows 10  doing upgrade drivers and, browse on this pc , let me pick option, and choose recommended ones on the list .  
 
Hope this helps. 
 
 
Regards
 

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RELEVANCY SCORE 60.8

My sister used my computer (windows 7), and now it is extremely bright. She was changing the wallpaper when this happened. Any idea how to fix this? My computer monitor is a Samsugn SyncMaster B2330HD. I'm using a Dell.

A:Extreme Brightness

Hi,
Try this:

Go to start/control panel/Display:
On the left hand side of the display page, click "Calibrate Color" and follow the instructions.

I have done this with my Samsung monitor, and now have a superb picture, with all the values adjusted as per the calibration wizard.

Of course, there is also the monitor's OSD (On Screen Display) menu that you can use to the same effect - the user manual for the monitor will provide information on how to access the OSD.

Good Luck.
Kevin.

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RELEVANCY SCORE 58.8

I recently purchased an X1 Extreme. I am a developer and only use Linux. I updated the BIOS to latest (1.12), installed Fedora 28, updated the NVidia driver to the lastet. I have had zero luck trying to get brightness control working (the brightness appears stuck at max). The system runs hot and worst of all the "suspend" does not work when the lid is closed which means that the laptop is useless. I've tried almost everything that I can find to solve these issues. My grub command line is: GRUB_CMDLINE_LINUX="resume=/dev/mapper/fedora-swap rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet rd.driver.blacklist=nouveau mem_sleep_default=deep acpi.ec_no_wakeup=1 thinkpad-acpi.brightness_enable=1" I also upgraded to Fedora 29 beta and latest kernel:Linux extreme 4.18.13-300.fc29.x86_64 #1 SMP Wed Oct 10 17:22:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linuxto see if that would solve anything, but it only succeeded in making booting almost impossible, It only seems to work if I boot into single user mode and then exit out. Does anyone have this solved or know if there is a solution?  

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RELEVANCY SCORE 54

I have an M1330 with the Intel graphics and the LED backlit display. I'm running Windows Seven RC1. I cannot adjust the brightness of the display at all in Windows Seven - it doesn't matter if I use the FN+Up / FN+Down keys, the brightness option slider bar in Windows, or adjust it in bios. The back light is either at 100% brightness, or it's off completely.
Anybody know of a fix for this?

A:Why can't I adjust the display brightness on my M1330? (using Win7 & LED backlit display)

This is a beta operating system - presumably the problem will be fixed before late October when WIn 7 is released.  For now, you cannot expect a manufacturer to support an OS that has yet to be released.
 

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RELEVANCY SCORE 50.4

I'm unable to connect my Apple Thunderbolt Display to my new Thinkpad X1 Extreme. I have an Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter, and it works with our other Thunderbolt 3 capable laptops (MacBook Pro and Dell XPS 9560), but nothing happens when I connect it to the thunderbolt ports on my X1E.  I have upgraded all bios and drivers to their latest version, From the About-box on the thunderbolt software:Software package version: 17.4.77.400Application version: 17.4.77.10Service version: 17.4.77.6Controller driver version: 17.4.77.13NVM Firmware version: 36.00 

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RELEVANCY SCORE 50

Hi,Does anyone know if the X1 Extreme with 4k display is already equipped with the "ThinkPad Privacy Guard" ? See here:https://www.youtube.com/watch?v=Anv_XXgOVLw This is a really nice feature ... hope this is already available. Thanks a lot for your feedbackDidier

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RELEVANCY SCORE 49.2

Hi Ppl, I am currently using vista home premium but i cant find any where that i can adjust the display brightness. My frez's vista home basic have this function in the power option..

Where can i find mine?
Thanks...

A:Display brightness

Hi Undergrd,

Did you check the settings buttons on the monitor itself to see if they can adjust the brightness for you? Usually there is a reset option and one for brightness.

Hope this helps,
Shawn

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RELEVANCY SCORE 49.2

hi everyone

my display brightness keeps dimming, I thought i had sorted it by adjusting
the brightness in power options but this has not worked, how do i stop this from happening, it is happening every time i switch on my computer.

regards calmat

A:display brightness

Hi calmat,

To isolate the issue please provide the following information:

1. From how many days are you facing this issue?
2. Is this a laptop display or a desktop monitor?
3. Did you try any troubleshooting steps?

For any clarifications feel free to contact me.

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RELEVANCY SCORE 49.2

DISPLAY BRIGHTNESS is really low. I already did all the settings requirements and correction. But no luck. Planning to return this HP X2 DETACHABLE 10.1 . If only the DISPLAY is bright enough, I will consider keeping it. I am OK with the Product builds and looks. But Brightness of Display is really unacceptable for me. Dont get me wrong...but I already compared it to several gadgets and devices that I have which is older model and lower screen resolution, but they are still Brighter than this unit considering this is a 2017 model. Please help. Thanks

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RELEVANCY SCORE 49.2

I recently upgraded my hp 250 g5 laptop to Windows 7 from Dos. I also installed all drivers but I brightness is not controlled. function key also work but brightness slider doesn't move after pressing function key. Please help me

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RELEVANCY SCORE 49.2

I can't find the brightness bar in my computer, is all in one pavillion windows 8.1 64bit, i just move the computer to a room with a lot of glare and need to increase the contrast. 

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RELEVANCY SCORE 49.2

Hi im new to these forums and need some advice with my display brightness, i have an acer aspire 5935g and upgraded to windows 7, i upgraded to all new windows 7 drivers but the only downside was the display was sooooo bright, i have put the brightness low so it dont burn my eyes for now, but i need help with what the Default brightness,gamma and contrast should be for an acer aspire 5935g in ati catalyst control...
i currently have it as gamma: 1.00
Brightness: 0.25
contrast: 60

any help apreiciated, these acer laptop screens are so bright.
i have added an attachtment.

A:Need help, display brightness

Best anyone can say for those settings is whatever is the most comfortable and looks best to you. No two monitors will look the same, and what someone else uses can and will in most cases be totally inappropriate for you.

You can make the adjustments using the settings in the CCC, or you can uses the controls built in to the monitor and run through Windows display calibration wizard,

Display Color Calibration

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RELEVANCY SCORE 49.2

My laptop did not control the brightness even i press the fn+f2 no brightness is either increses or decrese.somone help me as soon as possible

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RELEVANCY SCORE 48.8

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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RELEVANCY SCORE 48.8

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 48.8

Bought a new laptop HP ENVY  M9U52AVI don't know why but I see some flickering from the display when i'm on very low brightness.Any one help me how to resolve this issue? 

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RELEVANCY SCORE 48.8

I have a T500, with the latest updates from Lenovo and Microsoft.  It's running Windows 7 Professional, 64-bit. When I press one of the silver volume buttons above the keyboard (volume up, down, or mute) a black box appears near the bottom of the screen with a speaker icon, and a gray and white bar indicating the level, and white number on the right.  This seems to work correctly, and the buttons make the number go up and down, and white bar grow and shrink as expected.  Similarly, the Brightness (Fn-Home and Fn-End) make a similar box appear, which also seems to work correctly. The problem is that after I've done this, the black box does not go away, and it obscures that area of the screen.  I expect it to stick around a couple seconds after I've pressed the buttons.  But it is still sticking around HOURS after I've pressed the buttons.  If I Lock the computer (using Windows-L) the lock screen does not show the black box, but when I unlock it, the black box is there again.  This seems to happen every time I've used either the volume or brighness buttons.  The only way I've found to make it go away is to restart the computer. This is a new problem, and I suspect related to a recent update.  I've only noticed the problem in the last 2 weeks, and am quite sure I've used the volume keys before without this problem (actually, I seem to remember not a black box, but green bars and a number appearing on the scree... Read more

A:Volume and Brightness display not going away

Same here, Windows Vista Business 32 bits. Lenovo update installed 4 updates and now, without changing brightness or volume, at the bottom the not disappearing brightness or sound slide as OSD item. I confirm same behavior, that it disappears when screen is locked or taskbar is pulled up very high... but unlocked and taskbar lower, it is back again.... 

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RELEVANCY SCORE 48.8

I have HP 15 NOTEBOOK PC and i update my laptop from windows 8 to windows 10 . But now i have a issue that i didn't change the brightness of display after update it before i can adjust it but now i didn't . , it is remain like high type and it occurs to reduce the battery power . So please help me sir for regarding my problem.Thank you .

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RELEVANCY SCORE 48.8

Dear sir/madam,i have using hp 241 model laptop, but the brightness level not reduced on my laptop,i have tried windows 8,8.1,10.but the brightness level not reduced,i have tried to install many of the graphics card.but the graphics card is not installed,what is the solution of this problem...

A:display brightness not reduced

hellow,please send me configuration of your pc includinf your graphics card and drivers information.never dounload and install any updates from un authorised websites or brands , dounlad and install updates either from hp support assistant of hp support website. first of all to solve this problem , go to hp support website and dounload and install the bios update from there and remember to plugin the charger and insure continues power supply or ac supply during the bios update and this will solve your problem and if not you are free to write.Thank you.

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RELEVANCY SCORE 48.8

Hi there, i have just upgraded my Samsung R510 Laptop from vista home premium to windows 7. After i had done this i thought everything was briliant (Alot better than vista). However i realised a few problems had occured. Firstly my mouse had no scroling function which i resolved downloading the Synaptics Touch pad drivers, then the volume indicator wasn't showing, which i have resoved also. however i cannot seem to locate a solution to the brightness display indicator missing.
By this i mean when i attempt to adjust the brightness of the screen by holding FN and Left or Right arrow, nothing happens. Before i updated, an on screen indicator came on the screen showing me if i was decreasing or increasing the brightness, now nothing??? Any ideas. Sorry if this is a noobie mistake. Many thanks in advance for any help you may be able to offer.
Regards
Phil

A:NO brightness Display indicator?

Hi,

Check to make sure you've updated all your drivers to their respective Windows 7-compatible counterparts, so head over to where you originally downloaded the updated drivers for your touchpad (presumably the Samsung website somewhere) and see if there's anything there that can help.

Hope this helps.


Regards,

Jon.

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RELEVANCY SCORE 48.8

We have just purchased a new HP desktop 510-p020, Windows 10. The brighness of the display is headache inducing. There are no physical controls on the monitor and nowhere to adjust via the control panel, hardware & sound, display, monitor, etc. No shortcut keys. Per windows, all drivers are current and up-to-date. Starting new job soon and I cannot sit in front of this screen for any length of time currently. Assitance would be appreciated!

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RELEVANCY SCORE 48.4

Hello,

I have a Elitebook HP 8530p, and it has a issue with the screen brightness. When put 100% (energy properties are at : high profile) the screen dims, but the % remains 100, however when manually setting to a lower then to max again the screen is bright (as it should be)

This happens while i'm activly using the computer. (mouse/keyboard interaction)
I disabled every possible auto-dim feature I found. This happens at random moments but every 1-5 min it happens.

This renders the laptop useless, so any help is very welcome.

any help appreciated !

thx
svenn

A:Display brightness random dims HP

Hi Svenn,

You can try following the steps from the URL mentioned which could fix the issue: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00832191&lc=en&cc=us&dlc=en

Let us know the results

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RELEVANCY SCORE 48.4

the brightness controller or the brightness level display is  working but no effect on the brightness of screen it stays full.it occured after demoting to win 8.1 from win 10. tried installing drivers but no effect

A:problem with display brightness after installation of win 8....

Hi: Did you install the amd graphics driver?  Not having the graphics driver installed is normally the reason for that problem. 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/sp71001-71500/sp71253.exe

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RELEVANCY SCORE 48.4

Good day,

+First of all sorry for my english.+

I have issues with display on my tecra w50-a-114. *Display sometimes (ca in 5min. period) blink (brightness go on 100% and then back to the current settings).*

I dont know whats happened. I am not aware that I changed some settings. I check all power management settings, but every setting is in my opinion alright.
Have any of you Idea what's happened?

_Thank for all suggestions._

A:Tecra W50-A-114 - blinking display - brightness go up and down

Hi

I guess the display brightness level changes no matter if the notebook is connected to the AC adaptor or battery mode? Is this correct?

Usually the function keys FN + F7 and FN + F8 increases and decreases the computers brightness.
But I don?t think that theses function could be related to your issue.

To me it sounds a little bit like display panel hardware problem? but this is only my personal opinion?

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RELEVANCY SCORE 48.4

Hi, I have a Thinkpad E550 and the built in display brightness looks too low. I have the latest video drivers for Windows 10 64bit. I first check the laptop brightness control typing the F6 key wich also have the brightness function, and the brightnes is set to 100%. Check with Windows 10 Setting App and also brightness is set to 100%. I check the battery/power setting and the "Enable adaptive brightnes" it off. Also check with the Lenovo Settings Metro App and the "Enable dynamic brightness control" is off. The resolution is set to native resolution in the case of this unit 1920x1080. Any ideas???

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RELEVANCY SCORE 48.4

My Windows 10 theme is dark and I have a dard desktop backround. When I open Windows File Explorer, it looks dimmed but within a few seconds gets brighter. It looks like brightness is increased when I open applications having while colors mostly. I turned off adaptive brightness and I'm using Performance power profile and still cannot get rid of this effect. Is that a hardware issue or some Windows 10 feature? Can it be disabled so I get bright colors always? Thank you.

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RELEVANCY SCORE 48.4

I have a Lenovo G50 80 laptop that came factory installed Windows 10.  Now, sometimes the display changes brightness by itself.  When this occurs. the brightness is increasing until the brightness setting "crashes" with "pixelation" looking screen and starts over. What do I need to do to fix this?

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RELEVANCY SCORE 48.4

Hi all, So, I installed windows 7 64bit on my T500 last night. I've downloaded the win 7 version of  the thinkvantage system update software and installed everything, powermanager and all.  The problem:When i am in High performance graphics mode, the display brightness doesn't change... ever. Function keys don't work, the power management slider doesn't work. It is very frustrating to say the least. My work around: (this is annoying but works)When in low graphics mode, the function keys DO work. I can change the brightness and then switch back to high performance graphics. It's really bizarre!  Does anyone know why this would be happening? I've got all the latest drivers from system update & tried reinstalling the hot key drivers with no luck. I've played with every power setting i can think of, nothing seems to change the screen brightness on high performance graphics. Suggestions welcome 



~ sierra42 ~HP TC4400Lenovo T500-- I am not support, I'm just trying to help! --








Solved!
Go to Solution.

A:Display brightness "Stuck" in windows 7

Related post: http://forums.lenovo.com/t5/Windows-7-Discussion/Brightness-unadjustable-for-quot-High-Performance-q... [Quote]A link to the 3.09/3.10 version of BIOS is given below. Good luck. This is the version I used.http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70351[End Quote] T500 BIOS Update: http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70353 



~ sierra42 ~HP TC4400Lenovo T500-- I am not support, I'm just trying to help! --

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RELEVANCY SCORE 48.4

Few days ago I found my X1 carbon device display almost off, I can barely see some figures on the display when windows 10 is loaded. I've tryied the solutions recomended for X1 Yoga but they doesn't work for me. As far as I understand there is a display driver problem with Intel hd 520 that was automaticaly updated. Now I'm using the driver Version 20.19.15.4463 released 5/25/2016 but every time after update my display goes black. Are there any other solutions available? Thanks in advance.

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RELEVANCY SCORE 48.4

Every time I restart my laptop (this includes sleep/wake up) the brightness level of the display is restored to an "unknown" value (always the same, though). I have tried changing all brightness level settings in all power plans, I disabled the adaptive brightness in advanced power settings - and some other values there - but to no avail. When the laptop restarts/wakes up it stays a few seconds at the desired level, then it drops back to the same value (always 49%). After this, If I manually change the brightness level, it stays only until the next restart/wake up.

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RELEVANCY SCORE 48.4

I recently upgraded from WIN98SE to WINXP. Before the upgrade I used to go into my Display settings to adjust the brightness on my monitor through the video card, but now through XP I cannot find that function. My video card is a Nvidia Riva TNT2 64MB card. I have a brightness adjustment in the monitor settings, but that is already adjusted at 100% and I need to adjust up a little bit more. Does that make sense? Does someone know where I can find this now that I am on XP?
 

A:Adjusting Brightness in Display Driver

Uninstall your NVidia display adapter. Run one of these to be sure all the driver files are removed: Driver Cleaner Professional or Nasty File Remover.

Then, install the most recent driver:

http://www.nvidia.com/content/drivers/drivers.asp

You'll find color, brightness, gamma adjustments in the advanced display properties and a separate adjustment for DirectX overlays, such as video player windows.
 

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RELEVANCY SCORE 48.4

This might be nothing, but recently the buttons to adjust my brightness were not working at all on my Lenovo Yoga 710. It might have been the update to Windows 10 but I'm not sure. I don't think the laatest update was that recent and this issue is a more recent problem. I tried this: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/yoga-series/yoga-710-11ikb/solution... I updated my driver like it's suggested at the bottom of the page. So far it's been okay. The buttons work, although I noticed that on my most recent reboot they stopped working but this was fixed by disabling and then enabling again the Generic PnP Monitor. I'm not sure if this will become a permanent issue yet. However, I noticed that when I press the button to dim my display all the way down, it turns off my screen. The computer is still on but my display is totally black. I'm quite certain that it didn't do this before. Is it supposed to do this or am I worried about nothing? It turns back on once I press the button to increase the brightness.

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RELEVANCY SCORE 48.4

Hey guys, so I upgraded to Windows 10 which caused the computer to automatically update my drivers and what not on July 29th, and here I am with a brightness adjustment that does not work whatsoever. Pretty much, whenever I press the less/more brightness buttons on my keyboard, the display will show the brightness gauge going up/down but the actual screen brightness remains constant. Yet, when I roll back the driver it manages to allow my brightness adjustment to function again, but my second monitor will not connect even though it is plugged in via HDMI. Obviously attempting to get my old Windows 8 driver will do me no good since this laptop is no longer a Windows 8. I'm pretty stumped here, especially since I'm not the best with the complex side of computers, I'd just like my brightness adjustment to work again while maintaining/keeping everything else Thank you in advance for your help

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RELEVANCY SCORE 48.4

Hello sevenforums.
First of all, I know there are a lot of threads not only here but on the internet, and mind you I've seen most of them and tried some of the solutions:
1) I disabled "Automatic Display Brightness" for absolutely all Power Plans in Intel? HD Graphics Control Panel.
2) I disabled "Display Power Saving Technology" in Intel? HD Graphics Control Panel.
3) I disabled "Enable adaptive brightness" for all Power Plans and for both On Battery and Plugged In
4) I tried creating my own Power Plan as suggested on these forums I think, but that didn't work as well.
5) I tried disabling "Adaptive Brightness" from running "services.msc".
6) I tried uninstalling Intel? HD Graphics Driver, and it works even with driver uninstalled.

Nothing worked so far. Additionally, this happens only when I work from the battery on my laptop. When I plug it in, it stops. I remember it happened before, but the option 1) I listed above helped me back then, now it doesn't.
Please help me as not only the brightness is driving me crazy, but the fact that all the solutions seem not to work.

I am using Dell Inspiron 3542.

A:Disabling automatic display brightness?

Did you look at the Dell Software installed on the machine?

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RELEVANCY SCORE 48.4

I have a problem. For some odd reason, my brightness and sound level meters are gone. A while back, I could push the Function (FN) button and either the brightness or sound buttons and it would show up on my screen-- no more... What can I do to bring this back onto my display. Hope for your help.
 

A:Brightness & Sound Display Have Disappeared!

Do you mean the Function Key on the Keyboard or Function Button on the Monitor.

Assuming it is keyboard: Run the software that came with the keyboard in the background(systray).

Alternative Sol'n: Goto CP and click on "Sound And Audio Deices" then check the "Place an icon in the ...."

Brightness: It can be adjusted by: right click --> properties --> setting --->advanced ---> ##Video Card##
 

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RELEVANCY SCORE 48.4

I often change power plan or (dis)connect the power cord depending on what I do with my laptop and where I am. Every time I do so, the display brightness changes into whatever it was last time I had the same power plan and AC power status.

The display brightness has nothing to do with those settings. I adjust it manually to what I feel comfortable with in the current environment, and it's frustrating having it changed by some automatic setting that gets it wrong every time.

I'm in a dark room, getting ready to watch a movie or something, everything set perfectly. Oh right, the power cord. Boom, instant 20% to 100% flash that kills my eyes. Thanks Microsoft...

How do I disable this automatic adjusting and get full control over the brightness?

A:How to disable automatic display brightness?

Hello and welcome to the board.

The "automatic adjusting" is triggered by the Adaptive Brightness Service which
"Monitors ambient light sensors to detect changes in ambient light and adjust the
display brightness. If this service is stopped or disabled, the display brightness will
not adapt to lighting conditions."

So, disabling the service will prevent the auto-adjustment and resolve your frustration.

Start > Run. Type 'services.msc' (without the quotes) and hit Enter.

Right-click on 'Adaptive Brightness' and select Properties. Set the start-up type to: Disabled.

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RELEVANCY SCORE 48.4

Hi,
i have window 10 home 1607 os build 14393.187 64 bit up and running and all drivers and software is updated. i'm visually impaired so i need to adjust the brightness however the brightness bar isn't showing up. i done everything possible to correct, can anyone help please? i done the normal stuff such as uninstall reinstall the AMD Radeon 7700 series graphics video driver and no luck. i really need this badly.

Thank you

A:Brightness bar not showing in display module

Hi, I don't know what a 'brightness bar' is, I'm afraid- perhaps you could explain how you normally make that appear?

Would you be interested in being able to control the brightness by, e.g, holding down the CTRL key and the scroll button on your mouse? This (and volume too) can be done with a small freeware program called Volumouse.

You can choose key combinations to do this to suit yourself.

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RELEVANCY SCORE 48.4

Hi everyone,
About a week ago, my laptop's brightness key stopped working.
It's not a hardware problem because if I try changing it from control panel I fail. Brightness icon disappeared into windows 10 home x64 1151 as well as control center.
I tried reinstalling both Intel and Nvidia drivers.
the machine is an Acer E5-571G-50NS upgraded to Windows 10 about a year ago.
Thanks in advance,
cheers!
 

A:Display Brightness key stopped working

When you say you 'fail' changing brightness in the control panel do you get an error message, what do you mean?

Is your PC fully up to date with Windows Update?
 

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RELEVANCY SCORE 48.4

Hi I Have Yoga 900 laptop.After upgarding to windows 10 update 1607, eventhough "Change Brightness automatically ...." is disabled and also in lenvo settings , "Automatically adjust your brightness ..." is disabled, but still, when I switch from a screen with white background to a screen with black background, display light chagnes automatically.  Would you help me?  ??

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RELEVANCY SCORE 48.4

Hi All, I have a new lenovo yoga 720 but the screen brightness is dim even at 100%  eg white has a slight brown tinge. I've tried the following: Display adapters > Intel(R) HD graphics (updated driver)PnP Monitor (updated driver)Battery - changed to best performanceDisabled "Change brightness automatically when brightness changes"Lenovo Vantage > Eye care mode OFFThen re started the laptopAfter all the above. Nothing changed. Solution to this would be appreciated. Thanks! 

A:New Lenovo Yoga 720 13'' - brightness 100% but display is still dim

Did you try the F12 (increase brightness) button?

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RELEVANCY SCORE 48.4

I m having trouble with the display of my laptop.actually the left edge or the left side of the display of my laptop went dimmer than the right side.It is not properly visible at first glance but if u stare at it for a while than u can clearly figure it out. if u drag the curser from the left side to the right side of the display than u can clearly see ..the white curser is lot less brighter than the right side(while its position is at very left edge of the display).i have even spotted it in the bios screen..its like if i rate the two side of the display at the basis of brightness than i would probably rate the right side a 10 and the left 9.5..as i said u cannot really see it at the first glance u have to use it for a while to see it...To b honest a technician (which is an authorised hp technician)even visited to sort out the problem but he said as long as i can see the pixels of the display working properly(which is not actually) than the display is proper..and cant even continue the case coz the issue is not visible in the snapshot..i mean its not like i m having a hallucination...if u can see it with ur naked eye than why do u even need to continue the case on the basis of a snapshot.... its truely happening ..even one of my friend said so..thats why i wrote a complain about this issue..if there is any kind person who is willing to help a genuine customer than contact me...

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RELEVANCY SCORE 48.4

Hello there. A week ago I bought an Dell XPS 15 with WHD Resolution.
Some days ago I notcied that the display had a blink when I did the lowest (0%) brightness. Is it manufacturing deffect or so? Someone help me, please. 
I have read that some program could make that problem. Is it ok? Thank you.

A:Dell XPS 15 FHD has a blink of the display at the low brightness

This seems to be a duplicate of this post:
en.community.dell.com/.../20930270

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RELEVANCY SCORE 47.6

Help... Several months ago, my ability to change screen brightness on my great little XPS 13 quit working. I have been through the forum and tried reloading drivers - updating BIOS - etc. And, still no go. Everything on the computer seems to work normally, but I would like to be able to brighten the screen some. It appears stuck at a low intensity (all controls indicate 100% brightness).
Thanks fo all...
Robert

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