Sony :: FE31H Brightness Controls Not Working With Windows 7 X64
Jun 21, 2009
I've recently installed Windows 7 x64 build 7229 on my Vaio and I've managed to get everything working except for the screen brightness controls.
So far I've installed the x64 version of SFEP driver along with Vista versions of Sony utilities dll, sony shared library, sony event service and sony settings utility.
Installing the xp versions of those programs made the brightness control work fine, but on Windows 7, the screen brightness control pops up on the screen but the brightness doesn't change. Also I've read that I should be able to control the brightness in the Windows mobility manager, but there is nothing there about screen brightness.
The screen running at full brightness is hurting my eyes.
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Sep 3, 2009
I upgraded from Vista to Windows 7 on my SZ5. Was surprised at how much works out of the box (fingerprint sensor, drivers etc) but the one glaring bug I found is that when I close the lid and the monitor shuts off, when I reopen it the brightness controls (FN+F5 and FN+F6) no longer work.
I also notice that the brightness controls in Windows' power options Control Panel disappears.
I need to restart my computer to resolve this (similar problems by other users: Sony Vaio SZ1XP - Windows 7 RC ). Does anyone have a solution? Thanks!
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Nov 9, 2009
just can't seem to get my Brightness controls to work in speed mode in windows 7.
I've tried 169.09, 180.70 and the most recent forceware drivers.
I've installed the registry file that was recommended in one thread.
I've tried all kinds of orders. Still, nothing.
I've currently installed (in this order)
SPEF
SonyPI
Shared Library
SonyUtils DLL
Event Service
The Registry Patch
NVIDIA Drivers
They work fine in STAMINA, but not in SPEED. I can't even access them through Windows Mobility Center or Power Options. I can change them a very small amount though the NVIDIA control panel through the "adjust color settings" tab. Otherwise, theres no mobility options in the NVIDIA panel.
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Aug 27, 2012
I just bought my laptop. Installed Windows 7 clean 64bit on it.This is the laptop's product page. I can't change the brightness of my laptop's screen. I can't do via the [Fn+Up/Down] combo nor by the Windows Power Options interface.
I tried all combos of installing and uninstalling the Lenovo Energy Management. (I got v7.0.4.1 on my laptop).I tried un and installing Intel HD 4000 (Driver v8.15.10.2696). I get Lenovo ACPIVPC v7.1.0.1 (12/15/2011) when installing the energy management thing.I've tried to install as least as possible other Lenovo crapware.
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Aug 26, 2013
I have a thinkpad l520 5016-c74 running windows 7 64bit and kubuntu 13.04.
When i try to adlust the brightness in kubuntu, the jotkeys work just fine.
On the other hand, in windows, i can adjust the brightness from the windows menu, but every time i hit Fn+home or delete (this is the hotkey on my machine) the brightness, regardless of where it is set, drops to 7 (from a scale of 1-15), and cannot be readjusted, If i hit again Fn+Home or Delete, it does this flash, like it's trying to change the brightness, but something holds it in 7. I can always change it from the windows menu. But again the same thing, hotkey and back to 7.
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Mar 3, 2011
The brightness control keys (f2 & f3) on my pavilion dm4 stopped working all of a sudden. I'm operating windows 7 64bit. I've tried reverting to previous system restore points. I've also installed the BIOS, Intel chipset, and graphics drivers. All the other function keys are working properly, just can't change the brightness. Right now it's stuck on the brightest setting. I'm getting terrible eye strain from the screen.
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Dec 5, 2009
I just tonight noticed that the F5/F6 keys do not work after the machine wakes from sleep. It works fine after I reboot. But after sleep the OSD will show up when I hit F5 or F6. The display gauge will move to the left TWO positions when I hit F5 but only once. If I hit F5 again, nothing happens. If I hit F6 it moves to the right TWO positions again only one time. In both cases there is NO change to brightness.
I tried to log off and back on to see if it has any effect. It did not. I'll reboot now and the hibernate to see if the problem recurs coming out of hibernation.
I am running Win7 ultimate 32 bit.
UPDATE: Well this is strange. I rebooted and the F5/F6 keys worked fine of course. I hibernated and then came back out and they still worked fine. I logged off and back on and again they were fine. So this seems to be ONLY a sleep issue.
If any of you have an FZ model running Win7 32 bit. Can you try this and report your findings?
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Jan 23, 2010
I used the upgrade kit from Acer to do a clean install of Windows 7 to my Timeline 1410. Everything works great and I love this laptop... except that the brightness controls (Fn+Left/Right Arrow) do not work. It's locked at highest brightness.
I am at my wit's end trying to figure this out.
I have installed all the Win 7 drivers from Acer's site, particularly
- Newest bios
- Launch Manager
- Chipset drivers
- Intel graphics drivers
When I first boot it up, the brightness controls work fine during the BIOS steps. But once Windows takes over, the controls no longer function. In the Windows Mobility Center, there is no brightness control panel. [FWIW, my Dell, which does have functional brightness control, doesn't show one either.] All other Fn-combinations, like volume control, work fine.
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Sep 7, 2009
I recently replaced the inverter in my Dell Xps M1530 laptop. I bought the inverter off ebay, and the listing said it was compatible for my laptop.
My problem is,
that since I replaced the inverter (screen looks great by the way), the brightness controls no longer do anything. The laptop is on constant highest brightness. If I use the Fn Up and Down arrows,
the brightness bar comes up on the bottom right of the screen and it actually moves left and right in line with what I am telling it to do, but the screen brightness doesn't change! I have tried going in to the power settings and display settings
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Apr 16, 2010
I have a Dell Inspiron 9300 and the screen was going on it so I bought a replacement screen off of eBay. It didn't come with an inverter so I used the existing one.
The new display works great, but now the brightness settings are reversed. Turning up the brightness in the BIOS makes the screen dimmer and vice-versa.
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Feb 4, 2013
Ive recently had my laptop repaired after it got wet and the replaced the screen and everything,but since i have had it back the FN and brightness buttons do not work, nor does the brightness controls work via BIOS settings, also when the laptop goes into sleep mode or the lid is closed, the screen stays on bright white instead of going off.
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Jan 5, 2009
This is almost a classic problem. I just installed XP SP3 on a Vaio G11. I did everything according to Sony's plan. But the brightness keys don't work.
Is there a chance that Sony's drivers were written for XP SP2, and that SP3 is the cause of my problems?
Reason I'm thinking this is that SP3 recognized some devices that SP2 doesn't recognize
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Feb 14, 2014
I will keep this short, I have a Lenovo ideapad y510p with Windows 8.1 (I got it with 8.1, did not upgrade from 8) . I noticed a problem yesterday, where I cannot adjust the screen brightness. If I use the keyboard commands (Fn + Up and Fn + Down) The slider appears on the top left of the screen, as always, but does not “slide” It stays static.
If I move the slider on the Setting menu, I can slide the value but the brightness does not change and the value is not reflected on the slider on the top left of the screen.
I am not sure when this happened for the first time.
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Sep 18, 2014
I have an HP Envy Ultrabook 4-1130us and the F6, F7, and F8 buttons aren't working as command controls for music anymore. All my other F1-F12 buttons work except those three. This has happened before and I thought it was due to iTunes not being updated. I updated iTunes and the buttons still aren't working. I ran a diagnostic test on my keyboard and the test says that nothing is wrong-which is partially true because every other button except F6, F7, and F8 are working.
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Mar 7, 2009
I just tried out the Windows 7 beta on my SR 220J/B and everything seems to work great except for the Fn+F5/F6 brightness controls.
Win7 seemed to work well out of the box, and I've installed the Alps and Synaptics drivers, along with the Upek fingerprint software (btw, I can't log in to Windows using my fingerprint, even though the log-in screen has the fingerprint icon...). I also installed "Vaio Event Service 2 (4.2.1.12090) -- All OS" from the Drivers & Software post, and the volume/mute Fn key controls work, but not the brightness.
How can I get Fn+F5/F6 to work?
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Nov 6, 2009
I recently upgraded by Windows Vista 32bit business VaioZ690C Laptop to windows 7 professional. So far, everything has worked out great, but I have a couple questions:
1) How do I get my brightness keys to work? I cannot increase / decrease it
2) When I installed Windows 7, many of the Windows Vista drivers rolled right onto Windows 7, and would absolutely perfectly, do I still need to uninstall them all and install the "windows 7 version" or is this fine.
extra info:
*running R3054M3 bios ("I THINK")*
*running v.5 of vaio event service(i think something like that*
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Aug 10, 2009
how to get these working? I know the folks here got it working for the AR but the same install insturctions dont work for FW. I also a post earlier about a guide for installing XP but it did not work.
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Nov 14, 2014
I have been unable to find the controls of the Webcam. Is the software already installed or do I have to download it? If so, what do I download and where do I find it?
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Dec 4, 2009
Sony Viao (NW series at least) have a quick boot feature for access to the internet without fireing up your operating system. Hit the special quick access button and away you go.
Guess what, if it is a computer for your child you cant even turn the button off or set it with a password. It resides on your motherboard any parental controls mcafee or otherwise are useless. The system for the quick access is by devicevm and is called splashtop.
how to control this, keep in mind this runs straight off the motherboard and windows is not fired up.
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Dec 7, 2009
I've noticed the brightness adjustment isn't working. I see the slider moving than I "Fn+up or down" but the screen doesn't dim
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Apr 4, 2009
My laptop has gotten into deep trouble..
Since the last few days, some of the keys have stopped working .. These are mainly the z,x,c,v,b,n,m,space-bar,delete,f8 keys.
Accidentally I minimized the brightness level to lowest level using the fn+f7 key.. and now i cannot bring it up using the fn+f8 key.
I heard that this could be problem due to some malware. However, i ran spybot and antivirus checks and nothing seems to have worked so far. Also, these keys do not even work at the boot time before any OS is loaded. So should i assume that this is a hardware problem?
Currently i am alteast looking for a solution to atleast restore the brightness level.. because its really strainful to look at the dim monitor.. Isn't there any alternative to the fn+f8 key combination?
My laptop - HP Pavilion DV6130US.. Windows Xp. about 2.5 years old.
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Aug 29, 2014
My brightness function keys are not working. Other function keys like music player, mute etc are working fine in my windows 7 os. My Model no is 15-r006TU. I have installed all display drivers and checked action key settings in my BIOS settings. Nothing works.
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Apr 29, 2013
I recently bought a Inspiron 5521 with ubuntu pre-installed, I shifted it to windows 7 OS and also updated the BIOS in the driver installing process,Before I updated the BIOS my Brightness was working fine meaning I can low the it down while on battery and use high settings on AC mode but after I updated the BIOS I could not do this feature any more....when I go to Power Options to adjust it manually the Scroll bar there doesn't do a thing, even if I low it down or take it to full settings.
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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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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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Jan 4, 2010
After windows 7 upgrade, the mic did not work. There was no audio driver for winodws 7 included in the upgrade.
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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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Oct 19, 2014
I have a hp notebook 2000 - 2d28tu.. yesterday I upgraded its window 8 to 8.1 .after that the brightness is not increasing or decreasing by using short cut keys. . whats the reason behind it and how to solve it.
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Dec 16, 2014
Model HP 15-D009TU
OS-Windows 8.1
The Brightness funtion Key is not working. But other function keys are working Properly...
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Dec 17, 2014
the two buttons to control brightness worked fine before I uninstalled the default graphics driver. Now, when I press it I still get the GUI slider, but the brightness does not change. My brightness can be changed fine in the windows power settings. I have reinstalled the same thing I uninstalled, reinstalled Energy Manager, and still it does not work.
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