Screen Brightness Controller For Windows 10

[Beltran Mathews]

Im having an issue with my Samsung N210 laptop that has the GMA3150 graphics controller (Atom N450 CPU). The problem is that after downloading recent Intel graphics drivers I can no longer change my screen brightness. This problem has been reported long ago elsewhere, at least in the sammynetbook.com forums. Following their advice, I uninstalled the driver and went back as far as version 8.14.10.1972 (the 64-bit version of the driver). The next driver available from Intel's site no longer allows me to change screen brightness, nor does anything newer.

Now, screen brightness on the N210 netbook is controlled by pressing Fn + Up and Fn + Down. It also requires a program from Samsung called "Easy Display Manager". Trying to adjust screen brightness using the latest Intel driver bring up a graphic produced by Easy Display Manager (EDM from now), but the brightness bars in said graphic don't move, nor does screen brightness change.

The problem is not just with Samsung's EDM program. There is a brightness slider in Windows 7 Power Options, and that also doesn't work after installing a driver later than .1972. With .1972 the Windows screen brightness slider works again, just like Samsung's EDM.

What is causing all of this and is there any way to use drivers less than a year old while still being able to control screen brightness via hotkeys? It's an important feature of any laptop. It just HAS TO WORK, don't you think?

The workaround suggested above won't help on my Samsung N150 Endi netbook running now under Windows 10 (which otherwise perfoms way better than Win7!) either. COULD INTEL PLEASE DO SOMETHING ABOUT THIS FLAWED GMA 3150 DRIVER AT LAST??? This really is shameful, considering that this bug has been reported for 4 years now.

I have fixed this issue on my Samsung N150 netbook about 20 minutes ago. Let me give you the particulars and then BOTH a link to the page I got this info from AND the steps I took to get it working in Windows 10. DTG: 15 August 2015 - 10:48 CDT (U.S.A.) (GMT-6)

This driver is the one Windows Update is pushing onto my netbook in Windows 10. Like all the other complaints above, it won't let you change the brightness of the backlight, so you drain your battery faster when not plugged in.

I cannot confirm which part of ANY of this is what worked, but I know that I did all instructions directly using regedt32.exe (I'm an experienced IT professional, by the way) and my Brightness controls now FULLY WORK after a restart.

This does work, indeed, thanks a lot! To speed up the procedure, however, I suggest to copy and paste these lines (which are also listed (w/o comments) in the link you mentioned) into a .reg file to be created using the new Windows 10 "Editor"--and then double-click on it, of course , before rebooting the system.

Now that it's morning, I've had some time to go through line-by-line those added registry keys. I can confirm that I can still control the brightness after removing all the "added" entries above. You only need to change the number value for the FeatureTestControl values to make it work.

Because I have read that sometimes the FFFF value might prevent the screen from even turning on after recovering from Standby ( -8/samsung-n150-plus-i-cant-control-bright/701.html Samsung n150 Plus, I can't control bright), I have changed the values to FFFE and I still have brightness control. I tested my Sleep mode just now and with the FFFE value in all positions, it does in fact come up properly after Sleep. I have Hibernate mode disabled for personal reasons. I don't much care for hibernate. Windows 10 boots up fast enough on its own for me to not care. I am running a Crucial MX100 250 GB SSD drive, after all.

I think I'm fully set with Windows 10 now. Everything works, all hot-keys work, all programs work properly (even the Samsung ones off the website). I'm pretty happy with Windows 10. It breaking my SLI on my desktop, however....that's another story. >.

Glad I could help you out. I'm trying to spread the word on how to fix this so people can upgrade to Windows 10 without having to worry about their battery life. Lord knows we can't trust Intel or Samsung to fix their driver packages when they're this old. I've already sent an e-mail to Samsung about this resolution, but I doubt I'll ever receive a reply or that they'll do anything.

You can even do like apastron said and make a registry batch file to do this. Make these three changes and then reboot your computer. You should have brightness control back if you have the Samsung Easy Display Manager software installed. You can get that app from Samsung's website for the N150 ( -N150-JA03US -N150-JA03US).

EDIT: Ok, so the Brightness keys work just fine, but something that still doesn't work are the Brightness sliders in Windows itself. Because of this, the brightness doesn't auto-change when you unplug the power supply and move to battery power and vice versa. I'll continue working on this issue until I have a solution.

So I'm still testing different values and registry settings, because even using FFFE, the Windows sliders still don't work. Yes, the FN keys change the brightness just fine. But I want to get the Windows sliders working so that when I plug/unplug the power cable, the brightness will automatically change to fit the change in power profile. To do this, I'll have to really study the entire registry log for that chip in Windows 7 so I can replicate it to Windows 10. I'll keep this thread updated with any progress I make.

I suppose this method is working for most of the people. But for me it doesn't seem to work. I tried to everything as you said. Maybe because i am using an external keyboard to my np150. The only way i can change the brightness is the slider inside the power options. I also tried to install the easy display manager version 3.0.3.11, it got installed but never run.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

I am so glad I saw this post!!! Thanks for writing about this problem. When I read your post, I tried changing the brightness on my laptop and found out I also have the same problem too. I also updated to Windows 8.1 yesterday and my laptop is an HP ENVY dv6

Hello. I understand you are having issues adjusting the brightness after upgrading to Windows 8.1. I believe you should download and install all the latest drivers for the computer, to address the issue. Either you can search for them, or I can search for them if you give me the model number. If you don't know where to find that, please look here: -en/document/c00033108

Hello nedarb. The link you provided does list available drivers for this computer. These drivers, however, are for Windows 7 64-bit. Since there are no drivers for 8.1, updating drivers from our website is not a valid troubleshooting step.

However, I would make sure all your Windows Updates are complete. You can also try updating all drivers through Device Manager. To do that, in Device Manager, right-click on each driver and select "Update Device". Let me know what happens.

Ok, I checked Windows Update and I have the latest updates. I also went to Device Manager and there are no devices in the list that have any issues (driver issues) and I tried updating the Intel Management Engine Interface driver. No luck.

The driver to control your brightness on Windows 8.1 does not exist yet, as the previous link demonstrates. For now, the only solution I can offer is to do a System Restore, which will eliminate 8.1, and leave you with functional drivers. You can always re-update 8.1 at any time. Here is information on how to do a System Restore: -CA/windows7/products/features/system-restore

Most of the laptops I've owned have been fine, however several Windows versions (including Windows 10) have had this occasional bug where the brightness controls will stop working when I wake the computer up from sleep. This results in the Brightness button in the Windows Tray not doing anything when clicked.

I tried restarting the DisplayEnhancementService as suggested in another answer. It didn't help. I also tried restarting the graphics driver with Win+Ctrl+Shift+B. This didn't work either, but it's a good thing to try when your screen isn't turning on.

Start Device Manager (I use Win+X M). Select "Show devices by type" in the View menu, and then find your device under "Monitors". On a laptop with no external displays attached, there should be only one. With the device selected, click the "disable device" button in the menu bar, and confirm in the popup dialog. This did not turn my display off when I tried it, but it flickered. Then enable the device again with the button. My brightness controls worked again at this point.

but for your scenario, I suspect that display driver has something wrong, when PC awaken from sleep, system will re-load graphic adapter driver, if there is any issue occurred in this process, screen display will show some problems, such as brightness control not working problem.

I just upgraded my Mid-2009 15-inch Macbook Pro from Windows 7 to Windows 10 and the Bootcamp drivers for controlling the brightness no longer work. I tried reinstalling Bootcamp but because Apple doesn't officially support anything higher than Windows 7 on my computer I cannot reinstall it. I tried installing individual drivers such as the keyboard and NVIDIA but nothing has fixed the issue. Other keyboard shortcuts (ie volume, keyboard brightness) still work. I am not even able to change the brightness using the brightness slider in the Bootcamp menu in the taskbar (it will still slide and I can Apply changes, but it doesn't actually make any changes). The only thing I've found that works is to open the NVIDIA icon in the taskbar and choose to modify brightness with that directly, which is very inconvenient considering I can no longer adjust brightness using the F1 and F2 keys. I've read a lot of other posts but none of the solutions I've found worked (mostly all say reinstall bootcamp drivers). Does anyone know how to make it so the brightness controls on the keyboard work again? Thanks for any input.

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