Sony :: Vaio Z11Brightness Control Stops Responding
Apr 19, 2010
I am having a problem with my Vaio Z with a fresh install, relating to the automatic keyboard backlight and display backlight adjustment, and manual control of the display backlight adjustment with the Fn keys.
So from a fresh boot or reboot, automatic brightness control of both devices seems to work fine. The Fn key combos will also work correctly to control display backlight. And then seemingly at random, ambient light sensor control will freeze, and the function keys will no longer manually adjust brightness. It seems to happen regardless of which graphics setting I'm using, and it also happens even with both ambient light sensor functions turned off.
I've got all of the latest drivers and software from Sony's website installed (sans non-essentials,) so I'm not sure what could be going wrong. Both the power management and event services are running. Has anyone else had this issue, and perhaps had better luck in solving it?
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Sep 5, 2009
I don't have very good english but i try to explain the situatuion over here. Yesterday I wanted to install fresh windows to my notebook. I chose Windows Xp x64 edition. All went good until it wanted reboot after file coping. Now it wont boot up. Just stuck, no F keys working.
What i have tried to fix that issue.
Ram reseating(one by one, in different locations)
CMOS (clear bios)
If i remove the hard drive, notebooks works well with ubuntu live CD. But the hard drive is also OK, i checked that on another coputer. I made Hard Drive check test, it found nothing. I think something is messed up in Bios or smothing like that.
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Apr 18, 2013
HP ENVY TouchSmart 15-j051ea
I have noticed that my touch stops responding to touch when the ambient temperature goes above 22 degrees C. To be clear the laptop is not hot, the laptop is at room temperature. Nothing to do with the fan or laptop cooling. When the ambient temperature drops below 22 degrees C it start working again. Do I need to put it in for a repair?
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Sep 17, 2014
I've been having problems with this device since the day I bought it. The second day I owned it a bad pixel jumped onto the screen. After pushing it for some time physically on the surface of the screen it dissapears for another day or two.
But my biggest problem is taht sometimes touchpad simply stops responding to any gestures or mouse cursor keeps shaking on my screen. The only ting I can do is turn off the whole touchpad and wait for it to repair itself.
Also it happens that for no apparent reason my notebook behaves like as if I had been pressing CRTL button all the time, while I dont do it at all. Pressing S key alone makes it run into save options. Left clicking on the page makes it open in a new bookmark.
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Feb 15, 2009
If anyone out there runs into an issue with the touchpad on a Sony Vaio where it suddenly stops working it may be due to static electricity. I bought a brand new VGN-NS240E (Jan 08 @ Best Buy) and while setting it up I ran into this issue and have seen many other reports on the WEB of the Sony touchpads suddenly dying. Try these steps for an easy fix:
1 - power down the unit.
2 - unplug the power adapter.
3 - remove the battery.
4 - hold down the power switch for about a minute or two.
5 - re-insert the battery.
6 - reconnect the power adapeter.
7 - power the unit on and see if the touchpad lives!
These quick and simple steps worked for me 2x. Noted on the second time it happened that I shocked the machine after walking across the carpet, that's why I said above I think its related to a static charge - bad design on this model of touch pad I suppose. I have Dell laptops and Acers never seen it before until this Sony.
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Jul 7, 2009
i have a VAIO VGN FS520B,with 760Mb RAM and 80GB harddisk.I Just format my laptop and format the recovery disk as well.
i have download all the drivers for XP PRO and installed them after the XP installation.All went fine bt i cant get the VAIO CONTROL CENTER driver from sony website.I cant use the FN,S1 and S2 buttons.thus
i cant increase/decrease/mute volume,increase/decrease brightness and change external monitor.Actually the brighness is full and the battery drains quickly
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Feb 25, 2009
I've recently purchased Sony Vaio FW21E (European model) and to my surprise, I find it quite noisy (contrary to what you can read in many reviews).
The first problem is HDD - I've owned 3 notebooks so far and no one had such a noisy disk. I almost thought that there is some kind of motherboard or GPU fan in there until I opened the case to confirm that the noise really comes from the HDD. It is quite unpleasant in a totally quiet room (like in the night) but I can hear it even during evenings when the room is relatively quiet. Vaio owners with Toshiba MK3252GSX disk (320GB), do you experience the same amount of noise? (On the upside, the performance is really nice compared to my older laptops, Windows Experience Index being 5.4.)
The second problem is the main fan (which I understand is the only fan on this Vaio). It is quiet for the first hour of usage or so but then it always turns on for about 5 minutes, then it's quiet for another 2-3 minutes, then it goes off again etc. etc. I really find this annoying because the fan speed is changing frequently and rapidly (i.e. from zero to high spinning, then it slowly goes down to what I would call acceptable level, then it stops rotating immediately; then it goes of for 100% again etc.)
When you combine these 2 noises, the notebook is quite unpleasant to use in quiet conditions. From the right hand side where the disk is placed, you constantly hear a whisper-like sound while from the left side, you are distracted by the main fan which tends to be turned on and off in a few minutes intervals..........
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Jul 15, 2009
None of the Vaio notebooks have IR Remote Control which I feel is very useful and has become standard since long in notebooks of other manufacturers, still I have not found anyone complaining about it in this forum. Does no one here miss the lack of it in their Vaios?
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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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Apr 8, 2010
1. How do I control the duration for which the backlight keyboard lights are on.
2. The ambient light detector keeps dimming and brightening my screen when in a complete dark room. How to fix this?
3. How to turn on or off the green power light button?
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Jan 14, 2009
I recently replaced the fan on my VGN-SZ360P. It was hell, I had to remove everything just to get to it. After a few hours I was able to piece everything back together. Now my Speed switch doesn't work. I need the Speed switch to use the DVI port on my port replicator to out to my external monitor. Seems like it is stuck on Stamina mode. In order to use the DVI port I need to be in Speed mode and with the nVidia graphics card. I tried to uninstall and reinstall everything. Nothing seems to work. I contact Sony and the tech told me to do a system restore. That is going to wipe out my entire computer to factory default.
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May 11, 2010
Has anyone seen this error on their VPC-Z series?
I've seen it twice now... it flashes up something about "188.8" or something but that vanishes quick. In Event Viewer, it says:
Display driver nvlddmkm stopped responding and has successfully recovered.
Is it bad, or just iffy drivers? It recovers instantly.
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Apr 13, 2009
Z520 touchpad won't work when the laptop comes back from hibernation, any idea since I have to restart each time.
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Jun 16, 2009
I have recently purchased a custom fw series from sony style. Its great, apart from the performance. I have a 2.4ghz, 320gb 5400rpm, 4gb ddr2 ram, ati 3650 model, but internet browsing seems slow compared to my sisters 2.4ghz 2gb ddr3 ram macbook unibody.
I guess this is because of all the applications on the sony. I do not do any photo/video editing stuff all I do on the laptop is internet browsing, movie watching, listen to music and do office documents.
Does anyone know what I can safely uninstall to reduce the processes number, most of the time its 98, and thereby increase the performance.
Currently windows task manager says the cpu usage is 12% and physical memory is 40%, I have no idea what that means so if someone could explain I'd be very grateful.
One final point, I have heard that new computer owners are supposed to create recovery disks?What are these and are they actually needed?
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Jul 26, 2009
Trying to get rid of these questionably useful programs -- but I don't see entries for them in add/remove programs in the control panel (or for any of the other useless VAIO software packages that come on OEM machines sans "fresh start")
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Sep 3, 2009
I installed Windows 7 64bit on my Vaio FW21L. Does anyone know where I can get Dolby Control Center to install on it?
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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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May 19, 2010
the keyboard backlight goes off after about 30 seconds of non-use of the keys. The trackpad movement doesn't keep it lit.
i can re-light by touching any key, but this presents two issues:
1.) the first keystroke is entered. (i guess i can use the shift key)
2.) more important, the screen brightness seems to react to ambient light, so the keyboard's light ends up making the screen pulsate.
I couldn't find a specific reference, although hard to believe. But then again, the humongous threads are hard to search effectively.
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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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Dec 27, 2009
Is there a way to get rid of the beeping sounds that are made when you press a special button or use the volume control. Perhaps locating the wav file if there is one
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May 14, 2010
CW26FX - Anyone having trouble getting their video color settings to stick? I have adjusted my screen brightness/color/contrast via the NVidia Control Panel, but I periodically lose my settings. Initially there was a conflict with the VAIO Control Center - display settings there superseded whatever I did in the NVidia Control Panel. I eventually figured out how to get the NVidia Control Panel settings to stick by changing the display settings in the VAIO Control Center first - or at least I thought I did. It would work for a few reboots, but eventually I seemed to lose my settings again. So I uninstalled the VAIO Control Center hoping that would leave my NVidia Control Panel settings alone. But lo & behold I still periodically lose those settings (the NVidia Control Panel radio button "Other applications control color settings" is inexplicably selected.) Any ideas? (And yes, I hit "Apply" before closing out the NVidia Control Panel.)
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Apr 18, 2009
Does anyone have a link to a website or PDF describing how to properly open and disassemble a VAIO VGN-SZ75GN?
I have a VAIO VGN-SZ75GN, bought about 8 months ago, and now I want to exchange the built-in hard-disc with a solid-state disc.
I need some guide with illustrations/pictures, how to reach the disc
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Jan 15, 2010
I have just been given a VAIO PCG8A2M (GRX316MP) , i was told "it's broken but if you can fix it yo can have it" so having a quick look at it there's no sign of life on the display but the lights come on and i can here the HDD heads moving about.
Looking a little more i found that all the ram is missing , so now im not sure if its worth buying some ram to see if it works or not ? The lack of ram would prob explain the lack of display but i wonder if i should be getting POST beeps at least, which im not.
So my question is if a VAIO had no ram should (if all else was working) it be getting POST beeps ?
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Feb 25, 2009
Just performed a successful XP downgrade on my Vaio Z520, but have noticed that on this copy of the Vaio Silver Desktop Theme/Appearance doesn't exist.
I had it on my SZ and loved it over the XP Blue. Is there a way to get it back? I still have the restore discs from the SZ.
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Jun 13, 2009
My laptop is the E1705, with ATI x1400 card. The graphics fan is not turning on, no matter how hot it gets.
I have used i8kfangui in the past with great success. However, no matter what I do (hardware sensor on/off, fan force to high, auto control, manual control), the GPU fan will not start up. If I set i8k to monitor, it correctly reports that the fan never turns on, even as it reaches 76C. If i8k tries to set the fan speed, it will report that the fan is running at ~2000 rpm, but the fan is in fact not moving.
I don't think the fan indices are wrong, because the CPU fan control works correctly, and I've tried all the other valid options.
Does anyone have any ideas or been in a similar situation?
I just got this notebook back from Dell, and they replaced the motherboard. My only thought is that they could have forgotten to connect the GPU fan to the power. If no other solution comes up, how can I convince the Dell guys to fix it? i8k isn't supported by Dell, and if I just tell them that it gets hot, I'm sure they're used to that complaint...
I'm pretty comfortable fixing computers, but I looked up how to access the graphics card and it seemed like an awful lot of steps, so I'd rather not do this myself unless there is a simple way to visually identify that the card is not plugged in, or something like that.
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Jul 4, 2009
I don't know whats the diference (besides the price), between VAIO TZ295N & VAIO TZ395N. Specs in all the websites I've checked say they have exactly the same components: Intel coreduo 1.33Ghz 2GB RAM DVD-RW and 64GB SSD Hardrive. I was wonder if the diference might be in the hard drive interface, with the TZ295N being PATA and TZ395N being SATA.
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Mar 27, 2010
I'm wondering if the Blu-ray optical drive (Panasonic UJ-232A) of the (old) VAIO Z series will be able to fit into the (new) VAIO Z series? I would really appreciate it if anyone is able to answer my question.
The reason I'm asking is because I'm seriously thinking of selling my VAIO Z690 & just buying the base Sony VAIO Z (VPCZ112GX/S). I may just be able to afford that base model & the icing on the cake will definitely be the UJ-232A drive being able to fit into the (new) VAIO Z series & work.
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Feb 22, 2010
My 1555 with a T4200 Intel 2.0Ghz, 4 GB mem, intel video, Win 7 32 bit has developed an annoying delay in keyboard response and web site delay in both IE8 and Firefox.
I'm assuming its the onboard video which I am now stuck with since it can't be upgraded.
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Nov 18, 2008
I just received my new Dell E6400 today. When I shut it down, or log off, a window pops-up with a message stating "explorer.exe is not responding'; I must then wait, or click 'end program.'
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Aug 31, 2009
I just received the HP HDX16T premium series. and downgrade to Windows XP sp3. Suddenly the keyboard stop responding. All keys are not working all at. It was working fine under the manufacture preloaded Windows Vista home. is there ENE CIR windows xp driver.
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