Acer Aspire SW5 012 :: Brightness Control Not Working
Dec 19, 2014
I have had this tablet for less than one week. Under settings in windows 8.1 modern interface is a control slider for the screen brightness. it does not appear to do anything. I would like to be able to change screen brightness suit my needs, but I cannot make this work. What settings I need to change or maybe software I need to update? There is one Acer driver update which does not load properly and always says fail. I believe it has to do with screen settings. Could that be the problem?
Acer Aspire Switch SW5 012
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Dec 24, 2014
I have hp g3 250 laptop, on its first day function key f2 and f3 not working since i have purchased . How to update driver for brightness control...
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Jan 6, 2015
I bought a new HP 15-r007tx notebook ,installed windows 7 62-bit. But the brightness control functions aren't working neither through display settings nor through keyboard button.
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Nov 2, 2014
After installing new Windows7 ultimate OS.Brightness control keys are not working of my laptop.My laptop model is HP 14-D010tuI search for drivers but not find suitable and working driver for my laptop.I have hotkey driver software but this soft not installing ...
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May 23, 2014
I have used Windows 7 ( 64 bit ) OS. But unfortunately brightness control button doesn't work.
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Jul 24, 2009
My touch senstive volume control on my 6935g wont work, its frozen, i tired turning the laptop off, no buttons work, It is stuck on hold
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Oct 30, 2009
I don't know what has happened or if someone changed something but every single time I change the brightness control to 100% 2 seconds later it goes back to 0%. This is even when it is plugged in or has a full batter.
Even when i switch to that has brightness set to like 80% nothing happens. I went to maxium preformace profile and for some reason it is set to 0% when I change it to 100% and hit apply 2 seconds later it changes back to 0%.
Out side of windows(ie the login screen) I can change my brightness to 100% and it will stay there it's when I login it reverts to 0%.
I have the acer aspire 5100 laptop. Is there anyway someone could have changed something that makes this happen?
to 100% 2 seconds later it goes back to 0%. This is even when it is plugged in or has a full batter.
Even when i switch to that has brightness set to like 80% nothing happens. I went to maxium preformace profile and for some reason it is set to 0% when I change it to 100% and hit apply 2 seconds later it changes back to 0%.
Out side of windows(ie the login screen) I can change my brightness to 100% and it will stay there it's when I login it reverts to 0%.
I have the acer aspire 5100 laptop. Is there anyway someone could have changed something that makes this happen?
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Oct 4, 2008
I don't know what has happened or if someone changed something but every single time I change the brightness control to 100% 2 seconds later it goes back to 0%. This is even when it is plugged in or has a full batter.
Even when i switch to that has brightness set to like 80% nothing happens. I went to maxium preformace profile and for some reason it is set to 0% when I change it to 100% and hit apply 2 seconds later it changes back to 0%.
Out side of windows(ie the login screen) I can change my brightness to 100% and it will stay there it's when I login it reverts to 0%.
I have the acer aspire 5100 laptop. Is there anyway someone could have changed something that makes this happen?
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Apr 26, 2010
I just installed a fresh copy of Windows 7 on my Sony VPCF115FM laptop, and I was wondering what I need to install to get the brightness control to work. I already tried the video drivers, shared library, and notebook utilities from this site:
[url]
But nothing seems to affect the brightness, even though I do see the brightness bar now when I press the appropriate keys.
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Mar 20, 2009
i just downgraded my sz680 to xp using the driver on sony website, i got everything to work except the brightness control, i can't use the FN key to save battery, it's always at max brightness, only 2.5 hours, i need at least 4 hours like i used to have using vista to survive on campus during the day,
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Jan 21, 2009
Is my volume control working correctly? The touch thing at the left. It changes the volume in blocks of 2, but even 2 blocks is quite loud and very difficult to set it at 2 blocks in the first place. Normally it goes to 4 blocks then 0 volume and takes time to set it at 2. Having to set the volume using the bottom right icon atm.
Is there anyway to get it more accurate and have a better range of volumes in the lower levels?. I did uninstall a lot of the junk programs that came with it but not launch manager
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Nov 24, 2009
You know how you're supposed to be able to change the brightness with fn + up/down keys? Well its not working.
Tried reinstalling the video driver and bios.
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Feb 5, 2015
Is there a way to adjust the brightness control on a Inspiron 13, 2 in 1, while in tablet mode?
I know how to adjust it using the keyboard in laptop mode but not in tablet mode.
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Oct 15, 2014
I just got a new HP Pavilion G4-1310au. My problem is that it did not have any OS installed and so no system drivers were installed either. In the box I only got a CD that has HP manual in it and nothing else and the notebook of course, the power cord, bag, and some printed manual. I was expecting to see a System Disk CD so I could install the system drivers, but I didn't find one.
So I installed the OS and then installed the network driver which I downloaded from another computer and also the audio. My problem is that I cannot find a launcher that would control the brightness and contrast of the screen. I tried FN key plus F3 or F2 keys but it didn't work.
How I can control the brightness and contrast or better yet if there is a Launcher software where I can control all the features of this notebook? By the way, I don't know how to enable the bluetooth either.
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Apr 14, 2014
I can't change my laptop brightness neither with F2 and F3 keys nor in the settings. I have already updated all my drivers but still have no response when adjusting brightness. I have an hp pavilion sleekbook 15-b102sp
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Dec 4, 2013
I can't adjust screen brightness using either function key or in control panel. Using the function key the little panel of brightness volume shows up on the screen but does nothing. And in control panel, through either the bottom brightness scroll or the power option won't change anything. Only time when the brightness will change is I unplug the power, but in the power settings it won't let me change/adjust the brightness.
And what is the battery function key for? I press it and it does nothing. XPS L521x
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Dec 31, 2011
I have a Pavilion dv6-6173cl laptop. It's been working fine until recently, when I left it on overnight to finish downloading a huge file. When I tried to adjust the brightness the next morning, I couldn't (though it was still at full brightness like I always keep it). So I thought, "why not reboot it?" I rebooted and now the display is the dimmest it can get with no way of adjusting the brightness using the brightness keys, control panel, or otherwise.
This has happened before. When it did, I did a factory reset on it and it fixed the problem. However, although there is no absolutely critical data on there and I can always make a backup, I prefer to not have to go through all that if it's avoidable. I have an external display that HP asked me to connect it to to see if it was a hardware or software issue. The external display was at full brightness, so when they asked me to ship it in I did a factory reset and that solved the problem. And now it's back.
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Feb 6, 2015
I have a travel mate loaded with erecovery management. I keep getting a message "internet control panel has stopped working". This appears to be an appcrash; the guilty party being rundll32.exe. In addition "computer" has gone from my start menu and from windows explorer. Start menu.
I have carried out a sfc/scannow which says there are corrupted files that cant be repaired. System restore has not worked either. There appears to be 3 different options open to me to "restore" my system.
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Jul 22, 2009
One of the most troublesome consequences of downgrading your VAIO to Windows XP is not being able to adjust the screen brightness using the F5/F6 keys.
This tutorial aims to (i) resolve that issue, and (ii) retain the ability to adjust brightness when you update to the latest LaptopVideo2Go drivers. The below methods have been tested on VAIO FZ, FW, and NS laptops with NVIDIA GeForce 8X00M cards, and they are working flawlessly with the LV2G 190.15 driver.
Part 1: Enabling Fn Brightness Control
Skip this step if your brightness control is already working
In order to be able to use the brightness control on a XP-Downgraded machine, you need:
1. VAIO Event Service Hotfix (Which updates the VESConfig.ini file for the VAIO Event Service)
-> You can get this at[url].
-> If you have an FZ, you can use the VESConfig.ini I have attached
2. NVIDIA Driver with Customised nv4_disp.inf (Refer to Part 2)............
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Jan 11, 2013
I fresh installed Windows 7 and installed all the drivers from Lenovo's website. Still I cannot adjust the brightness. It stays on MAX and drains the battery in 1h30min. All other F hotkeys work but not F7 & F8 for brightness control. Is this a BIOS/Drivers issue?
ThinkPad Edge E535
Model: 3260-CTO
AMD A10 4600m apu
Windows 7 64 Home Premium
New just turned on a few hours ago. Brightness control was working before fresh install. Did fresh install to get rid of bloatware.
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Dec 19, 2013
I've got little issues with screen brightness on my T510.
Sometimes after returning from hybernate/sleep I cannot control screen brightness at all (chaning it by Fn+Home/End or from PowerManager just dont work).
I have got latest nNvidia NVS 3100M drivers.
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Sep 12, 2009
is there any way to control the fan speed of this lap top?
I have tried speedfan, rivatuner, even tried the undervolting option with RMClock (no success - the CPU was running at the lowest voltage already).
One option did present some signs of activity - Acer Asprie One (!) Fan Control utility. However, it only switched off the fan completely. Besides that, it was quite unstable and sometimes forgot to turn the fan back on after the threshold of temperature was crossed again.
By the way: computer doesn't get hot at all. The feel is quite cool, as Speedfan utility indicates these temperatures:
GPU: 41C
HD0: 36C
Temp1: 54C
Core0: 30C
Core1: 27C
It appears that I love this lap top almost for everything, except its loud operating sound.
I am running at:
ACER 5739G
Vista 32 bit,
Chipset: Intel PM45
Processor: Intel Core 2 Duo T6600
GPU: GeForce GT 130M
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Oct 21, 2014
I have an ACER Aspire R7 win8.1 and I have a problem with the touchscreen. The touchscreen is scrolling up and down by iself out of control, without touching it.
I run anti-virus and anti-malware and everything seems normal. I finally disable the touchscreen in system and everything is fine using the mouse.
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Jun 19, 2014
I have owned a T440S since late 2013.
Relevant Details:
T440S
Model : 20AQCTO1WW
OS : Windows 7 professional (original installation by Lenovo)
Latest Drivers installed as of June 2014 - including HotKey and Power Management
HotKey ver : 8.30
Power Managment : 6.65.1
Since receiving this laptop, OSD birightness control has always failed to work, i.e. does not appear on the screen when using the Fn+F5/F6 key combination nor does it control actual screen brightness AFTER FIRST resuming from sleep mode.
Sequence of steps that demonstrates the above symptom:
1. OSD brightness works fine after reboot
2. Putting the machine to sleep (I do not use hibernate) for a duration longer than a few minutes
3. Open lid the first time, hit Fn to resume machine
4. Pressing Fn+F5/F6 key combo does not display the brightness slider nor does it control brightness
5. Closing the lid and opening it again, causes OSD brightness slider to flash briefly and is now fully functional using Fn+F5/F6 keys
Your tech department should easily be able to re-create this issue on any stock T440S/Win7pro machine, as I have seen others comment about this very issue across other T440/OS variants.
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Dec 14, 2014
Intel i5-2450M @2.50 GHz (Turbo to 3.1)
8GB RAM
Nvidia GEFORCE GT 630M - 1GB
Windows 7 Home Premium
I have had this laptop for about a year now and ever since I bought it it has had major throttling issues while gaming. I have tried many ways to make it run cooler with no such luck (It runs at about 95*C when playing most games) . The fan never runs at 100%, only aboout 70% (from what I can hear) so I was wondering if their was a way I could control the fan in order to run it at 100%.
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Oct 5, 2014
Is it possible to control the fan speed on my Acer Aspire 7736Z-4088 laptop? If so then how is it done?
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May 6, 2009
How much brightness ,expressed in cd/m2 ,to be expected for this model based on the brightness of other models ?
Have the Acer netbooks good brightness in general for working outside ?
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Jan 8, 2015
Acer manual suggested password control can be changed in BIOS. I have Aspire E5-511P. The security page in BIOS does not work. I can scroll with arrows in other pages but nothing happens on Security page. Password at boot has Disabled but every boot asks for password. Is there a repair for BIOS? Also, the Support page on this site does not recognise my model of Aspire.
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Jan 8, 2010
I have Inspiron 9300. Unfortunately, my geforce 6800 died and I bought as a replacement x300 which was installed by a laptop repair service (they fixed other thins too.
It was due to power surge). Everything works but when I boot up the computer or when the display is set to be turned off in the power settings in Windows instead of being actually turned off the display is on and is all white.
Also brightness regulation does not work via Fn +arrows keys and is set to maximum and the white color is so intense that I get a headache after a couple of hours staring at the screen.
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Jan 11, 2015
I can not control the screen scroll with the mouse pad. I is very distracting to complete any task. How to lock my screen.
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