U410: trouble with graphics device=optimus

Hello!
I have a problem when enable optimus graphics device in uefi on my U410: notebook can't load, only black screen. I solved this problem by uefi reset (discoonect battary from motherboard).
Why in optimus graphics mode U410 "die"? How I can enable this mode and don't "kill" my device?

Hi Arot6,
Welcome to Lenovo Community!
Have you checked with latest graphic driver which was released last month only?
Uninstall the current version restart the system and download the latest version from the below link and run the installation file.
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t44...
Hope this helps.
Best regards,
Hemanth Kumar
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I wrote a simple Java application to record audio on some mixer and then play it back. With my headphones / microphone connected, I got the following list of mixers:
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Uncle_Sam wrote: I wrote a simple Java application to record audio ..
There is no simple way to record sound in Java, AFAIU.
Uncle_Sam wrote: ...on some mixer and then play it back. ...
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Is it not possible to record computer audio when a microphone is connected? If it is, how?
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This question was solved.
View Solution.

Hi,
Try downloading and installing the following drivers.
First, open windows Control Panel, open Programs and Features, right click the Intel Turbo Boost Technology driver and select Uninstall - when this has completed, restart the notebook.
Next, download and reinstall the Chipset driver on the following link.
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Regards,
DP-K
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My specs are in my signature. This is a new build. Everything went without a hitch until I tried to install my video card.
I'm getting the following error in the Device Manager: Code 10 "device cannot start"
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Quote from: Fredrik Åsenius on 18-April-08, 02:07:14
Either you have something creating a short, or there is something else preventing detection of the ATI card, like not seated properly. You do have motherboard drivers installed, I suppose.
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Hi Arot6,
Welcome to Lenovo Community!
Have you checked with latest graphic driver which was released last month only?
Uninstall the current version restart the system and download the latest version from the below link and run the installation file.
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t44...
Hope this helps.
Best regards,
Hemanth Kumar
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter!

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       Well i have some kind of problem with my t500 its 208959u. I did not get the computer my uncle did. I checked the specs and 208959u come with only one graphics card but if its customized i think can come with a switchable card. When i do a system tests it registers 2 grapics cards. One is a itel 4500 mhd the other one just says its intel 4 series express.
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Solved!
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your laptop only has one graphics card, it is the intel 4500 MHD.
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I cecently purchased a PowerColor Radeo HD 7850 2gb graphics card and cannot get it to work with my system.
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hi jmeany,
Welcome to Lenovo Community Forums!
Make sure that your Power Supply matches the Video card's Requirements.
Can you try Neokenchi's suggestion in this thread,
http://forums.lenovo.com/t5/Lenovo-3000-and-Valueline/H520-with-ATI-Radeon-Graphics-card/m-p/1219414...
Spoiler (Highlight to read)
Your problem might be similar to this thread (this is for a K430 dssktop but same aspects apply). Try the fix that ParadiseDecay have posted as other users found it helpful.
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Security Tab:
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Your problem might be similar to this thread (this is for a K430 dssktop but same aspects apply). Try the fix that ParadiseDecay have posted as other users found it helpful.
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Security Tab:
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Boot Priority = Legacy First (if applicable)
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Cheers!
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Trouble with graphics drive

I have bootcamp with Windows XP SP3 installed, but when I try to run a specific application, a message appears, saying that I may have a problem with the graphics memory, or an old graphics drive version. I have the NVIDIA drives, and I am sure I have the lastest version of the drives, and I have enough memory. I actually don't know what the problem might be, but I thougt of a solution, which was changing the drivers. Does the OS X installation disks contain any other graphics drivers other than NVIDIA that I can try installing? Is there any other solution you have?
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test it with another computer to verify if the sd card is just not corrupt

U410: trouble with graphics device=opt​imus

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