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2935 Discussions

Cannot init MFX h/w or s/w: i7-2820QM Sandy Bridge notebook

karl_lillevold
Beginner
180 Views

We are not able to initialize MFX with hardware acceleration support on a Lenovo W520 notebook with an Intel i7-2820QM Sandy Bridge CPU. It has switchable graphics, and we are sure we have set the Intel card as the active video card. 

When I run my test app, I can't even initialize MFX with software Quicksync, nor 'MFX_IMPL_AUTO_ANY'...

The system specs from CPU-Z are included in attached snapshots.

Any suggestions?

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2 Replies
karl_lillevold
Beginner
180 Views
Problem solved by updating to HD Graphics driver version 2761. The Lenovo provided driver 2696 must have not supported Quicksync.
Petter_L_Intel
Employee
180 Views
Hi Karl, Great to hear you found a solution. Upgrading to latest driver from Intel.com is often a very good idea. The fact is that some OEMs decide to roll their own drivers, occasionally removing capabilities. Regards, Petter
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