Acer :: Aspire 4937G In XP Cannot Adjust Brightness

May 29, 2009

just brought acer aspire 4937G to replace my dead 5584(which the graphics card dead). so reinstall XP from old laptop to new one.

before i install the graphics driver, i'm able to adjust the brightness. but after i install the driver(latest from acer), i totally cannot adjust the brightness. is either very dim, or very bright.

i tried getting latest driver from nvidia, but during setup, only HD audio, dont have any display driver to install.



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Acer Aspire E1-510 :: Cannot Adjust Display Brightness - Fn Combinations Does Not Work Also

Nov 17, 2014

I have installed Win 7 on Aspire E1-510 (Celeron quad Core N2920).

I can't adjust display/monitor brightness. Fn combinations does not work also.

In control panel>Display there are no any option for adjusting brightness.

Note: All drivers installed

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Acer Aspire One D270 :: Cannot Adjust Brightness Of Screen With Fn Button

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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Acer Aspire V5-431P-4653 :: Cannot Adjust Screen Brightness Running Windows 8.1

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. 
 
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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Acer :: Aspire 4937G Mp3 Lag When Surfing Net

Jun 15, 2009

jus brought this for 2 weeks. clean install wit Win XP Pro SP3. but than wat makes me frustrated is tat when i use windows media player 11 to play mp3, as well as surfing net. somehow the song jus lag, but did not pause.

at first i thought is windows media player issue, so reinstall it, but stil the same. i than reinstall sound driver(Realtek), but doesnt help too. so went on to try other player, like winamp, media player classic. but didnt help too.

went on to power options to adjust to "Always On" which the speed n voltage wil be fix at max. it improve a bit only. however this only works on my previous laptop(Aspire 5584), but did not works on 4937G, when i observe it wit CPU-Z, Everest. the multiplier stil adjust either 6x or 10x. voltage also too..

i also did all the windows update, tweaks as well.

btw the processor n chipset using is T9550(2.66GHz, 1066MHz FSB, 6MB L2 Cache), Intel Cantiga PM45 Express chipset.

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Acer :: Copper Mod On Aspire 4937G (NVIDIA G105M)

May 7, 2010

i believe many of u experience gpu reaching near 100 degrees when gaming, causing laptop to jus turn off by itself.

a gd news here..copper shim solve the problem, which means it lower down temp to prevent tat from happening.

received copper shim in my mailbox yesterday.

thickness is 0.044", 1.11mm, 0.1cm

size is 0.75", 19.05mm, 1.9cm (kind of too big for gpu, becos the seller hav tat size for tat thickness, but nvm, look below)

wat i do next is to use a sand paper(fine one, not rough one), i use 1000cw since i had tat at home. lazy to go out to get more fine one.

do it on a flat surface, sand until like mirror effect.

now proceed to dismantle the whole laptop.

it seems tat the heatsink is too small for tat copper shim, but no need to worry, the surrounding alum is a little lower than tat copper.

using Arctic Cooling MX-2. apply on both cpu, gpu, n on copper shim after placing over gpu.

Stress test results

*Ambient Temperature: 32 degrees

Before copper mod, wit default thermal pad. i immediately stop the test b4 it blackout.

After thermal pad was replaced by Copper Shim.
temperature was still steady at 88 degrees after 11mins!

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HP 250 G2 Display :: Not Able To Adjust Brightness Of Laptop

Aug 23, 2014

 I tried everything I could but am not able to adjust the brightness of my laptop (i.e. HP 250 G2 Notebook).

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Dell :: Studio 1745Can't Adjust Brightness

Nov 24, 2009

For some reason the brightness on my lcd isn't adjustable. It's stuck at full brightness, on battery, on power, doesn't matter. I've had this laptop for about 2 weeks now. When I first got it, the brightness levels were working, but now they are not. OS is Windows 7 Home.

FN - Brightness Down brings up a on screen display showing the brightness level at full and goes down by about 1, though I see no different in the brightness. It doesn't matter how many times I press the button, it never goes down more than 1.

Control Panel -> Display -> Adjust Brightness -> Power Options: The slider at the bottom shows the brightness level at lowest setting. The FN - Brightness adjustment will move this slider up / down on the scale, but there is no change in the screen brightness.

Anyone have any ideas as to why I can not adjust the brightness and how I can get it back to where I can adjust it?

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Sony :: Can't Adjust Brightness In Win7 X64 On Vaio CS

Aug 11, 2009

I just installed Win7, sticking as much as possible to this method:
VAIO FW Clean Windows 7 Install Guide

everything's working, all FN keys, volume multimedia zoom LCD out,
all but brightness.

problem is, using the FN keys, the brightness dialog is showing, but I can't increase or decrease it. brightness does not show up on power managment nor on mobilty center. the power plans from vaio ("VAIO optimized") are showing, but still if I pull the plug screen stays on maximum brightness...

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Dell Inspiron 13 :: How To Adjust The Brightness Control

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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Lenovo ThinkPad L R/SL :: L520 - Can't Adjust Brightness

Jan 10, 2013

Another problem on my Lenovo Thinkpad L520: After installing the Lenovo Power Management Driver, I can no longer adjust the LCD brightness by using the FN+DEL/POS1 keys. Immediately after adjusting the brightness, it gets reverted to its old value, set in the Power Management software.
 
I tried the Windows 7 driver (1.65.05.21) and the WIndows XP/7/8 driver (1.66.0.22), both with the same result.
 
This is really annoying and I am very frustrated with Lenovo right now, since this is not the only problem I am having with the laptop.

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HP 15-d024se Display :: Adjust The Brightness Of Screen?

Apr 1, 2014

How can I adjust the brightness of my screen? I tried using f2 and f3 but no changes. HP 15-d024se.

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HP Envy Dv7 Display :: Why Can't Adjust Brightness Of Screen

Aug 20, 2013

I have a HP Envy dv7 Notebook PC. It recently just downloaded the new HP Assistant and I wanted to adjust the brightness because it was too bright for the dark room I was in. I tried using the F2 and F3 keys to lower the brightness and I tried to adjust it from settings and control panal but the brightness doesn't adjust when I move it up or down. I tried shutting down my computer and restarting it but I still can't adjust the brightness.

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Sony :: I Can Not Adjust The Brightness On A VGN-Z12GN Under Win 7 In SPEED Mode

Oct 12, 2009

I have a Vaio Z, model is VGN-Z12GN.

I upgraded from the pre-installed Windows Vista to Windows 7 Professional (new, up-to-date legit copy from MSDNAA, no pre-release version).

When I am in Speed mode, I can not adjust the screen brightness by using Fn+F5 and Fn+F6. I really would like to have this functionality back again .....

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HP Display :: Unable To Adjust Brightness In Compaq 15-a002tu

Jul 24, 2014

Brightness is stable and the keys of btightness up and down are not working or can say that not changes the screen brightness. since so long and due to this the battrey backup is affacted..Having windows 7 ultimate 32 bit..

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HP 1000-1405TU Display :: Can't Adjust Screen Brightness

May 5, 2014

I have a HP 1000-1405TU Notebook PC. My Notebook Product ID is D9H61PA#UUF. I am using Windows 7, 64 bit version. I tried using the F2 and F3 keys to lower the brightness and I tried to adjust it from settings and control panal but the brightness doesn't adjust when I move it up or down.  (Note. When I use Windows 8 on this PC then there is no problem like that).

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Lenovo B / G Series :: Can't Adjust Or Change Brightness With The Hotkey

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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HP 15-D009TU OS/Software :: Function Key To Adjust Brightness Not Working

Dec 16, 2014

Model HP 15-D009TU
OS-Windows 8.1
 
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Lenovo U/S Series :: S405 Windows 8 Cannot Adjust Brightness

Oct 8, 2013

I have had this computer for about 9 months and just recently have been unable to adjust the screen brightness. I have had this problem for a couple weeks and have installed all available updates and restarted the computer. I could not find any relevant information on this issue. My product is in warranty until December ....

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HP Envy 15-j175nr OS/Software :: Cannot Adjust Brightness Of Screen

Oct 16, 2014

I just seem to unable to adjust the brightness of my screen. I tried restarting my computer, adjusting using f2/f3 or through settings it doesn't work?

My computer is HP ENVY 15-j175nr and my product numer is F7Q25PA#AB4.

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Apple :: Friggin Electric Sound When Adjust Your Screen's Brightness

Mar 30, 2009

it's that friggin electric sound when you adjust your screen's brightness. Not that the sound is loud or anything but it's so annoying. Even clean install of mac os didn't help.

And it's not the hard drive that's making the noise. It seems to be coming from top left corner. Blackbook is half a year old and it started to emit that friggin noise a month ago. So did anyone had the same or having the same problem and did anyone removed this god dammed irritating sound !

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Dell XPS 15 :: Can't Adjust Screen Brightness Using Either Function Key Or In Control Panel

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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HP 15 R022TX Display :: Unable To Adjust Brightness And WIFI On Windows 8.1

Aug 7, 2014

I have installed Windows 8.1  and  install most of the drivers fro HP reccomended link. Even after that I am not able to adjust my brightness and WIFI .

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Lenovo P400 P/Y/Z Series :: Touch Screen Brightness Won't Adjust

Apr 13, 2013

I used my brightness down button once and now it won't go back up. I can't adjust the settings at all, despite the graphic on the screen showing me the meter going up and down. I've checked all drivers, tried uninstalling and reinstalling lenovo energy management, and I've still got nothing. I've stopped short of a factory reset because that's super annoying having set everything up and then a couple weeks after purchase have to do it again.

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Dell XPS 15 L501x :: Can't Adjust Brightness Of Screen Through Function Keys

Feb 19, 2013

I have XPS 15 (L501x)  laptop. I cant adjust the brightness of my screen through the function keys(quick set) or from Control panel (Control PanelAll Control Panel ItemsPower Options)I have already tried

Reinstalling quick set
Restoring
Reinstall Drivers from my Drivers CD
Chipset : Intel HM57
Video drivers : Intel HD graphics

I also tried to install bios drives, but the system would allow me, saying, its already the latest

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Dell Vostro 3750 :: FN Keys Won't Adjust Brightness On Laptop

Feb 8, 2013

For some reason when i press on the FN+F4 or F5 this brings up the small display showing the brightness level but it will only move the level one or two notches in either direction.  It will not adjust the brightness of the LCD display on the laptop at all.

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Lenovo ThinkPad W Series :: W540 Cannot Adjust Screen Brightness

Feb 8, 2015

I have a  W540 with 3K Ips panel and Windows 7 Pro 64bit.

I recently installed a new hard drive and installed windows 7 pro 64 (previously on the other hard drive was Windows 8.1 Pro 64 bit ( there I could change the brightness ) )

My problem is that I can not change the brightness .

I've already tried:

-Reinstalled all NVIDIA driver
-Reinstalled all Intel graphic drivers new
-Reinstalled Intel and Nvidia drivers simultaneously
-Remove Lenovo Power management
-Tried to install NVIDIA driver from the Lenovo and the Nvidia page
-Reinstalled Windows

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Lenovo P/Y/Z Series :: IdeaPad Z710 With Windows 8.1 - Cannot Adjust Brightness

Nov 13, 2014

I can't adjust brightness ....

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Acer :: 4937G - Locked After Some Time

Dec 17, 2009

after using for sometime(one is i locked my laptop, go out for few hours. the 2nd time is when i watching movies for around 15mins), the keyboard will somehow "off" or "disable", means u still can use the mouse, clicking everything n its fine, but the keyboard just cannot type anything.

i than decided to restart the laptop. but than after the os shut down, the laptop unable to restart. its just black screen. so i press the power button to off it. switch on, n it never boot up, not even bios appear. tried a few times unable to on.

i than plug out the power, which than able to boot up successfully on batt.

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HP Pavilion N208TX Display :: Unable To Adjust Screen Brightness In Windows 8.1

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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