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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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Problem solved by updating to HD Graphics driver version 2761. The Lenovo provided driver 2696 must have not supported Quicksync.
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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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