Sony :: Vaio FZ LCD Can't Change Brightness
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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Nov 25, 2009
I was wondering if I buy a Vaio with Windows 7, can I wipe it clean and install a different OS (Xp, or Linux) from my own CDs? Or does it only allow to install the OS that sony provided in the Recovery Partition?
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Feb 25, 2010
how can i change my speed of fan on my sony vaio FW laptop, any programs i can use.
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Sep 13, 2009
I brought two days ago my sony vaio SR with russian vista business OS. I need to change it to english. Please help me how to do it.
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Mar 2, 2009
the brightness keeps resetting after a period of time, I set it all the way to the lowest because the room I work in is very dim, then after a few minutes the brightness keeps resetting to a brighter setting
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May 22, 2010
I just got a z11 and will be returning my macbook pro soon.
The only thing that is making me hesitant is the screen brightness of the z. With the plug in and full brightness, it's not that bright, at least NO WHERE NEAR as bright as the macbook pro with high res anti-glare. Is this normal?
How many of you Z owners find the screen brightness too low? Even at full, it feels dim.
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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 23, 2009
I just recently purchased a used VGN-Z520n from ebay.
I noticed there is a small dent on the carbon fiber casing on the Keyboard.
I want to replace that part, but I actually like the black color on the new Z series. Is there a way I can purchase just the Black keyboard housing and replace it on my vaio?
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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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Apr 1, 2010
received the new Z 7 days ago, great is just a great little notebook, the best i had (coming from an SZ premium).
The only thing that is killing me is the auto brightness, the resolution is the 1920x and in dim light the brightness is going down, after 1 hour my eyes are red. The only thing that i can do is putting the lamp directly on top of the keyboard so the sensor adjusts the brightness to the maximum level.
What can i do? I can't find a way to turn down the auto brightness....
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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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Mar 30, 2009
I deleted a bunch of programs that I didn't know what they were.. i think i deleted something important because I cant adjust the brightness on my laptop anymore.. either with the brightness buttons or manually.. is there a driver or seomthing I can download again to gain this function back?
I have a Sony Vaio VGN-FE550G
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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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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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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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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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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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Mar 12, 2010
I've just installed Windows 7 Ultimate 64bit on my Vaio Z11MNB. As Google told me there is a problem with the FN + F5/F6 brightness adjust in speed mode.
All Sony software ist installed correctly and in the newest version I found.
As in many threads mentioned I followed the right order. But I still cannot adjust the brightness in speed mode
This thread Problem with Vaio Z Windows 7 brightness lead me to the right graphic drivers I thougt... Okay these drivers[url] are for the ZD790 but this shouldn't matter it's the same 9300GS chipset...
The following sony software is installed:
SETTING_UTILITY_SERIES_5.1_5.1.0.11200
SFEP_DRIVER_SONY_8.0_10Q1_O_7_8.0.1.1
SPIC_DRIVER_8.0_09Q3_7_8.0.1.1
SONY_SHARED_LIBRARY_5.5_5.5.0.10160
VAIO_CONTROL_CENTER_4.1_4.1.0.10160
VAIO_EVENT_SERVICE_5.1FH_5.1.0.12010
VAIO_POWER_MANAGEMENT_5.0_5.0.0.11300
VAIO_SMART_NETWORK_3.1_3.1.0.11250
Another smaller problem: From time to time there is a yellow exclamation mark at the SD-Hostcontroller in the device manager. I've googled a lot but there seems to be no other driver than the windows included. VEN_1180&DEV_0822
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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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Sep 18, 2014
My HP Probook 450 is with Windows 7 and the combination FN + F9/F10 is not working. The other FN keys seem to be in order, but I can't change the brightness of the desktop directly with the FN keys.
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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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Dec 13, 2014
After updating my Thinkpad T540p, I cannot adjust the brightness in anyway. This is a problem because the screen is too birght and eats up battery.
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It appears the only way to adjust the brightness is to use Intel HD Graphics, which isn't so convenient.
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Fn keys don't work. changing the brightness on the Power Manager settings doesn't work. There is no brightness option on Windows Power Manager.
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I have Intel HD Graphics 4600 10.18.10.3960
I have Lenovo Power Manager 6.66.3
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Edit: In fact, I think it's posisble that Power Manager to just outright no longer works.
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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
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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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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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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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