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Sony :: Brightness Control And NVIDIA Driver Updates For XP Downgrade VAIO


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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to 100% 2 seconds later it goes back to 0%. This is even when it is plugged in or has a full batter.

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this is my pc information: ...

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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).

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How many of you Z owners find the screen brightness too low? Even at full, it feels dim.

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Reason I'm thinking this is that SP3 recognized some devices that SP2 doesn't recognize

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What can i do? I can't find a way to turn down the auto brightness....

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It began every 5 or 6 seconds to stutter, the game would stop responding and the screen would freeze for a second..

Thinking it was the settings I put it down to 1280 and medium, no difference in fps and the stuttering was still there..

I tried Counter-strike, Prototype, Fallout 3 and a couple of other games, still the stutter in every single game..

In the nVidia contol panel I have disengaged the V-sync.

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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.

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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

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The following sony software is installed:
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This worked out perfectly. My Graphic card was updated and working as great as ever.

However, more recently, I decided to format my laptop, and give it a clean Windows 7 install. I did this because my laptop was giving some graphical weirdies. I thought a format would solve it. It didn't.................

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I am planning to get a new laptop around August or September but I don't mind waiting for a couple of months if I can get GT430M. However, if the GPU will never get an update, I think I'll buy the Z earlier since I don't think there will be much of an update before August. From what I see on the old Z, the GPU never got updated. However this time the GPU on Z is a little behind with no DirectX 11 support.

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When I go to the stores to look at the store model (Sony store & Best Buy), in Device Manager and Display setting, I only see the Intel Mobile graphics chips. No where on the system does it appear to say that it contains a nVidia card. I tried using the Stamina/Speed slider to see if there was a different (setting it to Speed), and the graphics card still says INTEL.

For all those who own a laptop from this series, what do you see?

Do *all* Vaio Z-series have a nVidia or only certain ones? Is it just a driver/software issue for the ones at the stores?

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Sony :: Repaired VAIO Nvidia Video
I have a VAIO SZ series laptop which got the typical video isue with Nvidia GPU (vertical lines). I was very disaponted from what I read and from the 750-1000 Euro repair cost that sony Greece (I live in Greece) offered me so I started looking for a motherboard on ebay. I was very lucky and surprised to find a company offering a repair service for my laptop located in Greece. I bought the service for 200Euro I packed the laptop and send them my pick up info.

Next day a courier picked up my laptop and 10 days later it was returned fully functional and they even solved the problem with the noisy fan! This happened one week ago and today they even refunded 50Euro of my payment because I am located in Greece and the offered price was calculated for shipping in EU! So it actually costed me only 150Euro in total!

Checing their listing I show that they are offering repair services for FZ series laptops for much less but they are asking to send them only half of the laptop. Anyway I prefer not to mention the company's name but if you check on ebay.co.uk for VAIO SZ video repair you should find them and maybe more proffesionals closer to you who could repair your laptop for a fruction of what sony is asking.

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