Acer Aspire 5742G :: Unable To Change Screen Brightness?
Oct 9, 2014
I own a 3.5 years old Acer Aspire 5742G (Core i3 M380; NVIDIA540M). the heat sink or the collinig fan might have some issue as it usually gets overheated when playing games (even CS condition zero/1.6). I don't play games anymore, so its not a problem.
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The problem is that I am unable to adjust the screen brightness from the keyboars shortcut (Fn+ Left/Right arrow key), neither from the control panel (Power Settings).
Although I do noticed something that, if I change my brightness settings (nothing happens) and I close the laptop lid (display screen) by folding it down and openeing it back after 3-4 seconds, the brightness is now changed.
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Dec 1, 2014
Screen automatically dims as I go in little dark areas and gets too bright when it has so much light around it. I am trying Fn+ arrow keys but they make very less difference. Is there any way to control this?
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I am using Windows 8.1 and display drivers are Intel HD Graphics Family version 10.18.10.3316.
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Feb 25, 2015
My Aspire E15's brightness is locked at maximum capacity. I can't change it in power options or with the Fn key. It is the same whether connected to the AC adapter or not. While using the Fn key and pressing Fn+Left Key or Fn+Right Key, the on-screen brightness indicator alternates between two levels but the brightness of the screen doesn't change.
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Sep 28, 2014
The brightness on my HP 15-r018dx Notebook PC won't change, not using the function keys or the slider in "Power Options". This started happening two days ago; before then I had no issues. I am not sure what changed between then and now.
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Jan 27, 2015
On my new Aspire Switch 10 SW5-012 with  Windows 8.1 I am unable to change the size of the onscreen keyboard. Microsoft cannot answer and refers to Acer support. Is there a solution to that?
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Feb 23, 2015
I own laptop acer Aspire 5742 g model, snide. [edited for privacy], Serial Number.. 2 months ago I decided to reinstall my operating system win 7 ultimate 64 bit. After reinstalling and installing drivers, update drivers and BIOS update to version 1.30, everything worked ok for 5 days, then I found that I no longer can access the Acer Crystal Eye webcam in Webcam. When you start the application displays the message The camera is not available or is used by another application ...
I reinstalled windows and I took it from the beginning. The pleasant surprise was when the camera is no problem, but after 4-5 days the same problem. Chamber refuses to start. Mention that in these 4-5 days was not installed on any laptop program. Only Google Chrome browser. There is currently installed antivirus unit. Windows Update is up to date, as well as driver update software.The same version of Windows I used it before resettlement and use it on another Acer laptop and I have no problem. In Device Manager installed camera appears. I uninstalled the driver and reinstalled without success ...
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Feb 3, 2015
I have some problems with my 3 and an half year old laptop. When I play games on it, it get so warm that it instantly shuts down. Normally it's around 100 degrees but it sometimes goes up to 103 - 104. I also have an extra cooler, 200 x 200 x 20mm, 850 RPM which doesn't seem to work that much. Â My computer usually turns off 2 -3 times a day and that is really annoying and I don't want to damage my computer.....
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Sep 26, 2014
I have Acer Aspire 5742G notebook and I'm having problems installing the Windows 7 OS on my new SSD hard drive (I bought the SSD because the original hard drive is failing and making blue screens all the time...)For the factory restore, I'm using restore discs. I burned the discs few years back when the laptop insisted me of doing it (by using eRecovery or something, 3 dvds total).
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The computer tries to install the OS with the dvds (asks to insert a dvd and then press a key). The actual problem is that the installer is just going in loops, restarting and eventually freezing in the end.. Reboot -> Acer logo -> Windows is loading files... -> Starting windows -> Reboot -> etc.That kept going for more than a hour (on the first dvd!) and suddenly it just froze on the "starting windows" screen.. So I had to reboot and star over again.I can still use my old formatted HDD, should I make new set of recovery discs or use an USB drive?
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Nov 15, 2009
I bought a dv3t-2000 two months ago and recently i installed windows 7 and i just realize that is not possible to change the brightness on the screen, is always the same. I have tried changing the power plans, I've upgraded the BIOS, but so far is not working.
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Jun 27, 2014
For some reason I can't change my screen brightness anymore. I've already tried a HD 4000 driver rollback to version 9.17.10.3223 and I also disabled "adaptive screen brightness" at the power management. For some reason I can change the brightness by using the "microsoft basic display adapter" driver instead of the HD 4000 but that isn't a real solution.
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Oct 9, 2014
Suddenly I can't change my screen brightness with f2 and f3, and neither in control panel. Is there a new driver I need to install ? My product number is >Â G6S71UA#ABA
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May 25, 2014
I can't change my monitor's resolution and the screen brightness after I upgrade the windows from windows 7 ultimate to windows 8.1 pro build 9600I've already installed graphic card , but i can't change my resolution more than 1024x768 My laptop is HP 431 with intel core i3-2310m CPU @ 2.10 GHz , AMD Graphics HD 7450M , DDR3 1 GB (i don't know why , but i've already installed AMD Graphics HD 7400M Series because my notebook isn't compatible with other AMD Graphics) , OS 64-bit
I think this is the problem [URL] ....
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Jul 15, 2013
I have installed the latest driers and since then I am unable to change the screen brightness using function keys. I have installed multiple driver updates hence it is difficult to find out which driver is causing the issue.
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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.
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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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Oct 20, 2013
I have a new T540p with Windows 8.1 and fn+f5/f6 do nothing, while sound buttons work fine. Is there any way to change screen backlight brightness, coz it too birght for me by default.
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Sep 25, 2014
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...
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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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Mar 26, 2009
how do i adjust the screen brightness on my acer aspire 5102 laptop?
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Oct 7, 2014
Basically the Fn Button, Left, Right, Up, Down buttons are all working fine. I can adjust the volume of the notebook, but I can't however adjust the brightness of the screen. There is no brightness setting in my notebook whatsoever! Am I missing the brightness driver? what is the name of the brightness driver? Or is it something else. Taking into account that I have decrease/increase brightness symbols on the left/right buttons respectively.
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Oct 26, 2014
I can't adjust my screen brightness using the Power Manager. Updating to the latest release of the ThinkVantage Communications Utility did not solve the issue. I can't make the screen either brighter or dimmer.
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Mar 9, 2015
Acer Aspire V5 seems to be "stuck" on the lock screen before you go to the login screen. We are unable to swipe up to get to the next screen. I tried clicking on FN-7 to see if maybe the screen was locked but it didn't work. I powered the computer off 10 sec and unplugged .. still nothing..Â
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Dec 29, 2014
I chose the colour orange while going through the personlization part of the setup after turning on my laptop for the first time. Is there anyway I can change it to red?
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Feb 27, 2015
I am having an issue with my Acer Aspire V5-431P-4653 running Windows 8.1, namely, I cannot adjust the screen brightness at all. It seems to arbitrarily select a brightness level upon start up and from that point I cannot change it via the Fn and directional keys or through the control panel power settings. I have owned the laptop for a year and a half and this problem began roughly a week ago.Â
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Of note, when I attempt to use the Fn and directional keys the brightness icon that pops up stays at the frozen brightness level - it does not move at all. In contrast, when I open the power settings and attempte to change the brightness from there, the brightness slider will move wherever I drag it, but the screen's brightness itself does not change. At startup the screen's brightness may be at full, minimum or somewhere in between - but regardless it will not adjust.
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Dec 18, 2014
On my new Aspire Switch 10 SW5-012 with  Windows 8.1 I am unable to change the size of the onscreen keyboard. Microsoft refers to Acer support. Is there a solution to that?
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Dec 6, 2009
I got my Dell 1557 about a month ago and for a while, it seemed just fine with my display brightness.
I could change it to however bright I want it to be. Then today, when I turned on my computer, my settings for my display brightness was at the highest when it normally is in the middle.
At first I thought nothing of it because I could easily change it with the F4 and F5 buttons, but after I logged on and tried to change it, nothing happened. Not even after I restarted the computer or reinstall the ATI Catalyst Center.
Specs
Windows 7 Home Premium 64 bit
Core i7-720QM
4GB DDR3 1333Mhz RAM
Full HD 1080p High Brightness LED
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Feb 19, 2010
I've done a search and couldn't find anything relevant.
My FZ of 28 months old has suddenly started making a faint buzzing noise from the screen.
At first I thought it was the fan, but I realized it's the LCD. I can't change the brightness for some reason using Windows 7 but it's on Max Bright. I've seen some threads of people having this problem on lowered brightness levels but this is happening on full.
When I shut the lid, the buzzing stops. It can be heard if I stand behind the laptop or place my ear beside either rear corner of the laptop.
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Dec 8, 2009
I did a clean install of Windows 7. I did not load all that crap from the 2nd CD.I am trying to determine which Drivers I need to install.
I installed the VAIO® Event Service and Sony® Shared Library.
What is strange is, when I click on the FN button and press the increase brightness key, the brightness meter does appear on the screen, but it will not go above the lowest setting.
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Jul 27, 2009
Can I adjust the brightness to maximum value or any value when in stamina mode on the Z ?
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Jul 31, 2014
I just re-imaged my laptop with Windows7.  Then installed some of the drivers from support page, HP hotkey driver is installed.  Now I find I can't change backlight  brightless via Fn+F9/F10.  But meantime, I am able to change volumn via Fn+F6/F7.  It's looks like only the brightless Fn key doesn't work. Â
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Jun 3, 2014
I can't adjust or change my brightness with the hotkey (F11 and F12) or even with the slider in settings. option brightness of my laptop doesn"t change it is stationary.
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