Help! Screen brightness won't adjust =(

I have windows 7. Screen brightness won't adjust. Tried adjusting it with Fn, the battery settings, and the mobility center. The slider bar adjusts on the settings and mobility center, but once I close the window and reopen it, the bar is always at the brightest side. Help!

http://forums.lenovo.com/t5/IdeaPad-Y-and-U-series-Laptops/y550-win7-screen-brightness-and-dolby-dig...
next time do a search.

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Screen brightness won't adjust

Hello,
I am unable to change the brightness of my pavilion sleekbook 15. The f2 and f3 buttons don't respond and when I try to adjust by going through 'control panel', 'screen', 'brightness adjust' it doesn't respond either even though if am able to move the cursor on the adjust bar.
Please can you help as my screen is stuck on the brightest setting and is very uncomfortable to look at.
Thanks
Dan

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Help - Screen brightness is very low

Hello all,
I am having problems with my touchsmart. The screen brightness is very low and I can't see anything unless I have a flashlight. The brightness is already at 100%. A couple of things I noticed. When my computer is in sleep mode and I move my mouse to get out of it, the screen will appear normally for a few seconds. When I changed the screen resolution to 800x600 and click apply, the screen brightness will go back to normal for a few seconds and when I revert it back to 1600x900, it will go to normal again for a few seconds. Here are my specs:
HP Touchsmart 300-1025
Processor: AMD Athlon II X2 240e Processor 2.80 GHz
System: Windows 7 64-bit
THanks for any help.
Tim

Hello tim1218:
Lets get you started with calibrating your display. Go to Help and Support click on it. Opens type in brightness will take you to: Adjust your monitors brightness and justment. In secound sentance at the end of it click after word (see) Click on Calibrate you display Next window will give direction follow them. If you are unable to get it resolved by running calibrations . Then I recommend that you take your computer in for service. I wrote this bold and large type for you to be able to read it on dark screen.

My Brightness won't Adjust

Hi. My Notebook has been working fine until just last night, when the brightness wouldn't adjust for me. The brightness still won't adjust for me this morning. Help?

Hello @Alacare ,
Welcome to the HP Forums!
I understand the brightness shortcut on your notebook is no longer working.
It would help to know which product and operating system you are using. For information on finding your product and model numbers click here: How Do I Find My Model Number or Product Number? To see which version of Windows you are using click here: Which Windows operating system am I running?
If this issue is new the easiest solution would be to do a system restore to before the issue started. You can access the system restore by tapping F11 while the notebook turns on.
Please let me know if that works, or reply with the notebook model and operating system.
I look forward to your reply!
Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.
The Great Deku Tree
I work on behalf of HP.

Envy sleekbook speaker rattling and screen brightness won't go down

Hello! I have an hp envy that when I play any music on there is a rattling sound coming from the top left speaker. The sound stops when I press mute. I restarted the computer and tried to play a song file and it seemed fine until I started another program (windows movie maker) and the sound again started to rattle. It has not done this in months. I bought the computer in October 2014 and I remember hearing that rattling sound briefly, but then it stopped and I never noticed it again.
Also, just in the past day I noticed that my screen was super bright and in an effort to save energy I hit the key on the the keyboard and nothing happened. I went to settings and scrolled the brightness down but the screen did not change.

Holly_J wrote:
Here are some troubleshooting steps to try for the screen brightness: http://h10010.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c00832191
As for the speaker, you may want to try reinstalling the wireless driver: http://h30434.www3.hp.com/t5/Other-Notebook-PC-Questions/Buzzing-and-Crackling-Sound-w-HP-ENVY-Sleek...
Let me know if that helps!
I've checked out the link and tried a few of those options however my screen brightness will not change. The slider in the options says that it is all the way down but the screen does not change. And when I press the keys on the keyboard for brightness nothing pops up on the screen saying that it is going up or down. This is just strange. It doesn't adjust when I unplug the power adapter either.

Screen Brightness won't change no matter what I do

Hello guys:
For the time I've been using ArchLinux my screen brightness buttons don't work. Also power options for adjusting screen brightness do nothing, so you see why I have a problem, my screen eats the laptop's battery... I've also tried adjusting the values of /proc/acpi/video/GFX0/DD02/brightness, but saw no effect. I'm using an Acer Aspire 5740-5513, which has an intel core i3 using Intel Graphics Media Accelerator HD

Hey guys, the following script I wrote might be useful for increasing/decreasing and/or setting brightness to min/max using 'xbacklight' so you can bind it to some of your key combination. For example i have FN+f2 set to '/path/to/script down' to decrease '/path/to/script up' to increase etc ...
Respect
#!/bin/bash
if [ $# -ne 1 ]
then
exit 1
elif [ $1 == "down" ]
then
xbacklight - 10
elif [ $1 == "up" ]
then
xbacklight + 10
elif [ $1 == "max" ]
then
xbacklight = 100
elif [ $1 == "min" ]
then
xbacklight = 10
fi

MBP Brightness won't adjust

Hi I have a MacBook Pro that won't get brighter. I can try with the Ctrl+F2 or in the System Preferences, but neither way make it brighter. In System Preferences, I can move the slider up and down, but still, nothing.
Any help would be appreciated. THANKS!

Hello @Alacare ,
Welcome to the HP Forums!
I understand the brightness shortcut on your notebook is no longer working.
It would help to know which product and operating system you are using. For information on finding your product and model numbers click here: How Do I Find My Model Number or Product Number? To see which version of Windows you are using click here: Which Windows operating system am I running?
If this issue is new the easiest solution would be to do a system restore to before the issue started. You can access the system restore by tapping F11 while the notebook turns on.
Please let me know if that works, or reply with the notebook model and operating system.
I look forward to your reply!
Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.
The Great Deku Tree
I work on behalf of HP.

3710 adjusting screen brightness

Hi.
Does anyone know how to adjust the screen brightness of the 3710 fold phone (the inner screen)?

here is the online guide look at page 17
http://nds1.nokia.com/phones/files/guides/Nokia_3710_fold_UG_en.pdf
im not sure if the screen brightness can be adjusted
If i have helped at all a click on the white star below would be nice thanks.
Now using the Lumia 1520

Adjusting screen brightness and contrast on Satellite L550-113

I am a visually impaired user and I'm thinking of purchasing the Satellite L550-113, but before I do that I need to be sure that the screen brightness/contrast can be adjusted very easily, preferably via hardware controls as opposed to via the control panel. I also need to be sure that one can make the screen quite dull (i.e. too dull for a non-disabled user).
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Any general information on the quality and ease of use of the screen will be extremely useful and highly appreciated! Thank you.

Hi mate!
Yes, the screen brightness can easily adjust via FN keys. You have to press FN+F7 to increase the screen brightness and FN+F6 to reduce the screen brightness. Furthermore in Vista power management you can also adjust the screen brightness and save the settings for different power profiles and on batter or on power mode.
As far as I know Satellite L550 has a gloss finish screen as other Satellite notebooks.
I hope I could help you a little bit! :)

After the last upgrade of OS X Mountain Lion I can't seem to adjust screen brightness anymore. Why and how do I solve this?

My screen brightness used to adjust itself and if not I could use f1 and f2 keys. After my last upgrade of OSX Mountain Lion, these do not seem to work. Does somebody know what happened and how I can return to the original situation?

Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
Resetting your Mac's PRAM and NVRAM
http://support.apple.com/kb/ht1379

Screen light doesn't adjust

Hi,
my problem is that my screen light won't adjust.
I can see the light volume setting on the screen (thought it doesn't work normally: it usually stops going up or down after one click..) but the light level is always the same.
I tried the control panel too, but nothing worked.

Help us to help you by posting the following information.
1. The full Model No. and Product No. of the notebook - see This HP web document if you don't how to locate the model number and\or product number.
2. The complete version and name of the operating system you are using ( ie Windows 7 64bit ).
3. Is your notebook still covered under warranty? Check your warranty status Here.
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

Screen Brightness controls don't work in Lion. (Macbook pro 5,1 (Late 2008))

Screen brightness no longer adjustable; all other function keys work.
Help !

You seem to have a situation similar to mine. If I understand correct, your display works perfectly when the brightness buttons work, but when the brightness buttons do not work, your screen dims from, say 100% to maybe 50%, and then back again... all on its own and at random intervals?
That's what is happening to me, is that happening to you too? Just wondering if you found a fix for this since your post.

When I boot into Win7 I see the windows boot up logo, the. I see my mouse and the screen goes black! It goes black in the login screen, I type my password and I hear the login sound but when I press F2 the brightness won't change! Please help!!!

When I boot into Win7 I see the windows boot up logo, the. I see my mouse and the screen goes black! It goes black in the login screen, I type my password and I hear the login sound but when I press F2 the brightness won't change! Please help!!!

Hi Emma,
Thank you for using Apple Support Communities.
I understand that your Thunderbolt display is just showing a black screen when you boot your computer. The following article should be of help in troubleshooting your display.
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Cheers,
Jeff D.

Using Windows 7 Display Won't Adjust Screen Brightness

I am running Windows 7 Home Premium Service Pack 1 running on my MacBook Pro from January, 2012. My screen will not adjdust brightness. Not using the F1 & F2 hotkeys (The window will pop up showing I'm pressing up and down on the screen brightness but nothing changes) even going in to Windows 7 control panel will not change this. I can't change the brightness or turn off the display with the hotkeys or in Windows 7 settings. I have BootCamp installed. Any body have the same problem or know how to fix it. I've tried updating my graphics drivers but I don't think it worked.

Take it to the Genius Bar. Your SIM might have an issue. The SIM is the part that manages power. My brother's Macbook Air has this issue. What haapens is the SIM malfunctions and gets confused on how much power to send to each part. Other symptoms include fan always running (even when its been off for a while), and you can't adjust the screen or keyboard brightness.

Not able to adjust screen brightness in Windows 8.1

hi,
I m using HP Pavillion N208TX with windows 8.1 64 bit version. i m not able to adjust screen brightness from f2 and f3 button and from the power setting also. when i press these buttons it shows the slider to adjust the brightness on top left corner of the screen but its does not adjust the brightness from low to high. i have already updated the Intel HD Graphic driver sent via link from HP Cust. care. kindly help me on this ASAP...
This question was solved.
View Solution.

Dear Customer,
Welcome to HP Support Forum and we are glad to assist you.
It looks like you are trying "Adjust Screen Brightness in Windows 8.1" for your Notebook.
We will surely assist you with this.
Please perform this step as shown below to resolve the issue:
1. Go to Search (point at upper right corner) and type Device Manager. Go there.
2. Expand Display Adapters
3. Right-click Intel(R) HD Graphics and Left-click Disable
4. Restart your computer
Note: Your screen resolution might be distorted now, you can just ignore
5. Go back to Device Manager, Display Adapters
6. Right-click Intel(R) HD Graphics and Left-click Enable
7. Restart again
Note: If at any point your screen goes blank and won't come back, just HOLD DOWN your power button until
the computer shuts down. Then press power again to start up
Hope this helps, for any further queries reply to the post and feel free to join us again
"I work for Hewlett-Packard"
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Regards,
K N R K

Help! Screen brightness won't adjust =(

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