Bug in new ThinkPad Switchable Graphics Driver - 8.752.4-101022a-107489C

After installing Lenovo's recent Wind 7 switchable graphics driver update v 8.752.4-101022a-107489C (Link) , an error dialogue appears upon bootup or when the Catalyst Control Center ("CCC") application is run. The error dialogue box says:
"Could not load file or assembly 'MOM.Implementation, Version=2.0.3524.37340, Culture= neutral.. PublicKeyToken=90ba9c70f846762e' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)"
I have completely uninstalled the update, rebooted, and reinstalled. The error continues. Please help as soon as possible.
ThinkPad T500
4GB RAM
Windows 7

@widmark,
Thanks for the update.
@mcc,
Can you try updating and see if you are able to do so as suggested by widmark?
//JameZ
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Swichable Grafics driver 8.752.4-101022a-107489C-lenovo does not install properly

Hi!
I was very happy to see that lenovo finally got us a renewed driver for those of us with swichable grafics.
I thought, that finally all the swiching after sleep, etc would be over, but the driver is not propperly excepted!
I initially installed the driver through system update, than i tried manual upgrade.
after that I tried uninstalling the old driver and installing the new driver.... no result as well.
Does anyone experience the same? I would be very thankful for a solution!
My System: w500 - 4063-A45
The Update I am talking about:
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-73641
greetings dixis

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Will there ever be an updated Switchable Graphics driver for W500 (Vista)?

Well the current driver is quite old and I failed in modding the current Switchable Graphics driver to include new drivers.
So, will there ever be an update for Switchable Graphics in Vista for the W500?

I don't think there will be for Vista; it doesn't support heterogeneous adapters, and the Vista package uses an AMD proprietary driver wrapper which I doubt will see further update.
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T410s Switchable Graphics Driver Update - When ?

Any chance of the T410s getting an update to its switchable graphics driver which was last updated
8.16.11.9223/1.0.15.0
15 Nov 2010
Nearly 10 months ago !
For a machine that is still being sold, albeit with Optimus now instead of the switchable unit that Im guessing someone in Lenovo figured out was mega faulty with overheating etc.
Even so, whilst I wait for a solution to get this laptop swapped out, be nice if we got some new drivers for it.
I know this is a community forum, so this is not a direct ask to Lenovo staff, I'm just putting it out there for other users to either agree with or disagree with.
DangerMouse
Current Machines : T420s/W530/X1CT

Bump,
now it's nearly 1 year ago that the Switchable driver was updated. The Optmus driver on the download site is almost new but cannot be used for the switchable models (why that?).
So please Lenovo, I received my new machine 1 week ago and the only complaint so far is the graphics driver (and at least power consumption on battery with integrated graphics).
TM800

Where is u330 Switchable Graphics Driver?

Recently wiped my computer, could someone direct me to the switchable graphics driver for the ideapad u330. I have downloaded the driver for the ati graphics card from the lenovo support website with a driver download listing, but it doesnt allow me to switch the graphics through right clicking on the desktop.
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You don't mention which OS you have installed. If it's Vista; see here for a possible solution.
Andy ______________________________________
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Radeon HD 8750m switchable graphics driver BY HP is not working on Windows 8.1

Hello all,
I have laptop Envy 6-1200el.
It's a good machin but I have always been annoyed by video drivers trouble.
When I bought my PC last year it worked good when we had Windows 8, but the video drivers didn't work properly already there.
The drivers made troubles when I tryed to start some 3D applications as Batman: Arkham Asylum. The problem was the HP video driver. That driver is made by Radeon HD drivers plus Intel HD 4000 series all together.
To make the two video cards working together properly you cannot use intel driver installation first then the AMD catalyst installation utility, but you need a driver installation utility that installs the two video cards both, otherwise the switchable graphics will not work properly and 3D applications won't start.
When I had Windows 8.1 update I had absolutely to find a new driver. I downloaded the automatic utility from AMD site and luckily it downloaded an updated driver that was including and installing together both the video cards properly. Since there my laptop started to work very good in everithing.
Some days ago I had to format my PC and that good video driver got lost.
I installed almost everithing including windows 8.1 update but I sadly discovered that on AMD site it was downloadable only the Radeon HD driver not including any more switchable graphics installation and Intel HD driver.
I have now installed the video driver given by HP on the right laptop portal, but this driver IS SO BAD!!!
HP says that it's an update driver working properly on Windows 8.1 but it's false!
MY PC WITH THAT HP DRIVER IS MAKING MANY TROUBLES:
- 3D GAMES ARE NOT STARTING OR NOT WORKING PROPERLY;
- PASSING THE MOUSE ON THE NEW START BUTTON ON WINDOWS 8.1, THE BUTTON BECOMES BLACK!
- HP UTILITY CENTER IS NOT OPENING;
- HP SUPPORT ASSISTANT IS NOT WORKING PROPERLY;
- THE SYNAPTICS MOUSE DRIVER DOESN'T WORK PROPERLY, THE DOUBLE TOUCH DOESN'T WORK ETC.;
- iNTEL DRIVERS INCLUDED ON THAT HP PACKAGE ARE OLD;
- SWITCHABLE GRAPHICS DOESN'T WORK GOOD AND IS NOT ABLE TO ADDRESS SOME 3D CHARGES TO THE RIGHT CARD.
PLEASE HP RELEASE AN UPDATE! pLEASE MAKE A REAL COMPLETE DRIVER THAT IS REALLY ACTUAL AND IS REALLY WORKING ON WINDOWS 8.1 WITHOUT CONFLICTS, WITHOUT GRAPHICS ERRORS ETC.!!!
THIS SITUATION IS UNACCETTABLE, SOLVE IT PLEASE!

Hi Fotoji,
I want to be honest, it's very disappointing for me to be treated like a child.
You should know that most of the people you meet here in this forum are not n00bs and the causes you suggest to consider haveall already been excluded in every way you would try yourself too!
The fact you say, that the issues are caused by a 'broken OS' are so disappointing and unbelievable!
I work in IT field since I was 14yo and now I am a graduated 28 who knows very well how to handle a PC in a clean and smart way.
Look, many of these issues was already 'on' when I bought and started my PC for the very FIRST TIME.
The video drivers needed are auto-installing drivers containing intel and AMD video drivers both and installed together at the same time.
The first day I had my PC the system was VIRGIN, I simply installed steam then ran 'Batman:Arkham Asylum' to make a try, it has never ran up, no matter if the OS is W8 or W8.1, no matter if the PC is new or used for 6 months, that driver has never worked good.
I tryed many things, used HP recovery manager several times in order to make a clean OS new installation, but it always went like that.
Recently I sent my computer to HP Italy fro an hardisk problem, replaced in warranty. The laptop came back CLEAN, perfect, with W8.1 and all the new recent drivers.
The problem was the same, games did not run or ran badly, the start symbol was black, HP Utility Center didn't work.
So tell me where's the magic when I unistall in a CLEAN AND CORRECT way those video drivers, why EVERITHING COMES TO WORK SO GOOD BACK????
Some months ago I knew that those drivers where so bad so I tryed to download the original driver package from AMD site, hoping that they was including the intel video drivers both, and guess...IT WORKED!
Those drivers was including the intel video drivers too during installation, then after a restart I had NO GRAPHICS ERROR, NO HP UTILITY CENTER FREEZE, ANY GAME OR 3D APPLICATION WORKED AT LEAST 2x FASTER AND NOT ANY COMPATIBILITY PROBLEM IN ANY STATE OR SITUATION.
Unfortunately my laptop started to have maybe some motherboard power problems and my HDD passed away then HP took my pc and fixed it.
When it came back it was perfect again, virgin, with all the update installed, with those bad HP drivers installed again, so with all those problems that I found since I bought it: graphics error, compatibility problems, some programs freeze, all WHITOUT TOUCHING ANYTHING!!!
I knew that I would solve it just downloading the right drivers directly from AMD site but UNLUCKILY THE NEW CATALYST 14.4 DIDN'T INCLUDE THE INTEL VIDEO DRIVER ANY MORE.
I had all those compatibility, stability and graphics problems always with a just-formatted computer with all the updates installed, a virgin untouched machine just formatted completely automatically using HP recovery manager or fixed by your engeneers!!!
The only case everithing worked very good was when I used the original AMD's drivers, when these used to inclued the intel graphics drivers too during AUTO-INSTALLATION.
I am replying now using a just-formatted machine automatically and perfectly just using HPRECOVERY MANAGER,and updated using WINDOWS UPDATE and HP SUPPORT CENTER self updater.
So guess what???? When I uninstall in A CORRECT WAY your HP video drivers (doesn't matter if the new one or the oldest) everything works good back, and when I used original AMD drivers everything worked so good.
It's so hard to do something wrong about it, the driver installation utility are IDIOT-PROOF, you cannot do anything during installation except for clicking the RESTART button.
So AMD used to make perfect drivers and now not any more, sadly, every issue disappears without your driver installed, HP sent me a perfect virgin computer with the same issues.
So please, don't tell me that AMD is able to make better software, don't tell me HP is not able to handle a recovery and sent me a pc with the same issues, don't tell me I probably made a bad use of my VIRGIN laptop after years spent on SGI workstations UNIX based.
I know how to keep a pc clean, and I'm telling you something more: the new synaptics mousepad driver package you are giving from HP website and HP support center DOESN'T WORK GOOD TOO!!!
Once you accept the auto update it starts with the self installation, but after the restart gess what?? The double toe gesture used to simulate the right click doesn't work any more!!!
No matter if you try to change any option in the control panel, no matter if you have windows 8 or 8.1, just try to unistall that and reinstall the old synaptics mouse driver and, OH WOW MAGIC, IT WORKS GOOD BACK AGAIN!!!
So now what?
Are you thinking that HP engeneers who fixed my laptop wasn't able to re-install windows and drivers?
The IT engineers working for HP are maybe also n00bs that can't handle a pc format and send me a BROKEN OS as you said?
I am magically breaking my os system just clicking one time on clean automatic HP recovery button then click on the automatic update buttons twice????
Perhaps AMD is able to make more stable end recent drivers than HP does???
(considering that aven the last HP graphics drivers update is so bad because the intel side of the package is very old and you can recognize it just making a comparison with the new intel additional control panel!)
I don't need to recover the system for the 4th time in a proper way (plus HP fix would be the 5th!), I know these silly things.
I need to be taken seriously and not be treated like a grandmother who's not able to switch-on a smartphone!
I would challenge anyone to operate on my computer and try to solve it using Teamviewer and HP's drivers!
I think I've been quite hard nut hopefully clear, so please do something more than giving me a manual fro grannies.
Thank you.

OpenGL3.3+ Update? Edit: Radeon HD6490M switchable graphics driver update Windows 7?

So I recently purchased a game that requires me to run OpenGL3.3 or more. Currently I can do OpenGL3.1, and after poking around some I see no reason why my graphics cards couldn't support it. Do I need to download something for OpenGL, or do my drivers need to be updated? (HP Support says they don't but I'm skeptical). Any help/advice is appreciated. Also, I was poking around this old question, but couldn't do squat with it... quite new at all this after all... Edit: I've been looking more, and it seems that the answer would be an updated graphics driver. The problem is, I'm not sure if there is one (Again, HP Support, etc. says I don't need one...). I have a dv6t-6100, with Radeon HD 6490M switchable graphics on Windows 7, 64-bit. It sounds like others have had luck updating their drivers just by the virtue of running on Windows 8 rather than 7. Any suggestions, work-arounds, other drivers that might similarly work for me?

So after updating to Windows 10, what I was trying to do originally works now that my video drivers have finally updated. Doesn't solve the original problem exactly, and I continue to wonder why HP kept me in the dark on these updates...

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@stormsfury
I understand that you are looking for help with disabling the more powerful GPU on your notebook.
I did some searching and found a few posts on this matter, by a few of the HP forum experts. Check through these pages:
how to disable switchable graphics
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Malygris1
I work on behalf of HP
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After installing Switchable Graphics Driver sreen is very dark!how to fix?

i did a clean installation of windows 7 on my t500 . i downloaded lenovo system update manager and it installed several drivers inlcuding switchable grpx drivers [i have 3650 hd] immediately after it installed the switchable grpx driver the screen become really dark!! how to fix it?! i also have problem when the computer is going to sleep mode and doesnt get back or even the computer just shuts off after a while i dont use it when its open.. how to fix it? thanks for the help

Can you please explain more the missing of the brightness settings? I can set the brightness of my screen using F5 and F6 in combination with the FN key using the keyboard.
The bringhtness also sets automatically depending the environment and the power condition of machine. If you don't like the behaviour of auto setting the brightness you can unselect the option in power optiion in system settings (swiping right to left and selecting settings on the side bar at the bottom).
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How to know the model of my Dv6 and how to install switchable graphics driver

hi,
I have a HP pavilion dv6 but I don't know what model is to download the drivers.
Here are the specs:
(this was purchase in Europe Portugal)
- Intel core I5 M480 2.67Ghz
- 500GB HDD 5600rpm
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Get your full Model number or Product number from the Service Tag attached to bottom of laptop (may be under battery)
How Do I Find My Model Number or Product Number
Once you have the info, use the button at top of this page titled "Support", then click "Download drivers" from the menu. Enter your Product Number. After entering PN click 'Go". On the next page use the dropdown menu to select your Operating System, click Next. A list will populate with drivers/software.
******Clicking the Thumbs-Up button is a way to say -Thanks!.******
**Click Accept as Solution on a Reply that solves your issue to help others**

Can I update my switchable graphics driver? (T500 2082)

Hello everyone, hope there is no such topic yet here.
I want to update my driver since I experience some problem (like 10.1 flash gpu accel is not really working, DXVA won't really turn on, dual display problems sometimes). (I dont have the fetish of the latest is the greatest, but this time it would really help me out.)
So I've got Radeon HD3650 (mobility) and an Intel MHD4500. I'm using the usual (using the usual eek) setting in the bios, switchable. Installed the "latest" (so a bit old) drivers for it from Lenovo System Update.
A person on superuser.com helped me out with a link. ATI writes that my gpu (ATI) is supported and they ship with Intel drivers. However, if I click on the Download button, I get a 2mb file , it upnacks, runs , and tell me that my hardware is not supported.
Any way to fix this? To update it?
Thanks everyone in advance.

What says LR 6 can use an Intel HD 3000 GPU?
This
https://helpx.adobe.com/lightroom/kb/lightroom-gpu-faq.html
includes
Minimum System Requirements
64-bit OS versions only
OpenGL 3.3 and later
Mac OS 10.9 and later
Windows 7 and later
Note: Intel 4400 or later required

Q150 - New Nvidia ION graphic driver

Did anybody give a try to the newest 266.58 WHQL nvidia ION driver?
Is it solving the now infamous 1080p HD stuttering?
It claims that "Supports GPU-acceleration for smoother online HD videos with Adobe Flash 10.1"!

A couple of people who posted feedback on NewEgg mentioned updating the ION drivers with good results. Click on the feedback tab from the link below, and look for comments from Pluto on 1/18 and SHiZNiLTi on 1/4.
http://www.newegg.com/Product/Product.aspx?Item=N82E16883108321&Tpk=q150
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Jane
2015 X1 Carbon, ThinkPad Slate, T410s, X301, X200 Tablet, T60p, HP TouchPad, iPad Air 2, iPhone 5S, IdeaTab A2107A, Yoga Tablet, Yoga 3 Pro
I am not a Lenovo Employee.
I AM one of those crazy ThinkPad zealots!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

Switchable graphics driver's update frequency

Hi,
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http://skub-neutral.blogspot.com/

We all wish we knew the answer to your question. Please ask Lenovo Canada that question and if you get an answer publish it here
Message Edited by zilla on 01-25-2009 10:28 AM
T500: Vista 32, 2.8GHz, 4GB RAM, 15.4" 1680x1050, 500GB 7200rpm, ATI Radeon HD3650 + Intel 4500MHD. T42: XP, 1.7GHz, 2GB RAM, 14.1" 1024x768, 250GB PATA, ATI Radeon 7500.

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There is nobody who can help me with this issue?

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Hi,
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Having problem with "ThinkPad Switchable Graphics Driver for Windows 7".
ATI driver won't load, so default Intel chipset is used with poor graphics as a result.
I have also tried "Windows 7 BETA Drivers and Utilities" with no luck.
Yesterday the graphics worked for a short period of time, that was after remoting my Thinkpad with RDP? very strange. But after reboot graphics was back to non functional again.
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Did you apply Lenovo driver packages in any specific order? Don't really understand what I missed?
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Bug in new ThinkPad Switchable Graphics Driver - 8.752.4-101022a-107489C

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