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VideoE  
#1 Posted : Saturday, July 30, 2022 2:57:42 AM(UTC)
VideoE

Rank: Member

Groups: Registered
Joined: 5/31/2020(UTC)
Posts: 26
United States
Location: California

I've been seriously looking at a MSI GE76H Raider laptop for vMix. Lots of power and connectivity including Thunderbolt 4. And as pointed out by Tim & Heath as pretty much a 'must-have' for laptop computers, it has a Discrete Graphics Mode. BUT... If you go into 'discrete graphics mode', the Thunderbolt 4 connection becomes deactivated. So for me, no Decklink Duo 2 card. Not mentioned in the reviews by gamer enthusiasts, but according to 'Notebook Check', a seemingly more thorough reviewer, this may be common in other 'gamer' laptops as well. Am I to be alarmed or VERY careful in my laptop choice or am I misreading something? Any experience or thoughts on this subject?
vMixHeath  
#2 Posted : Friday, August 5, 2022 12:24:08 PM(UTC)
vMixHeath

Rank: Newbie

Groups: Registered
Joined: 1/22/2021(UTC)
Posts: 2
Australia
Location: Gold COast

We have not tested the GE76 to know for sure, but our GS76 (11UE-216AU) does not experience this issue when connecting to our AJA Io X3 over Thunderbolt, and we haven't come across any other laptops with this quirk.

Taking off my vMix hat for a moment, I have a theory that the people experiencing this issue are actually not using the Thunderbolt capability of the port and are just using the DP Alt Mode capability to go out to a monitor, and for some laptops this is not working when bypassing the iGPU. Connecting a Thunderbolt enclosure with a capture card does not utilise DP Alt Mode so this might be why we are not hearing any reports of the issue. This is just a theory, mind.
VideoE  
#3 Posted : Saturday, August 6, 2022 1:31:56 PM(UTC)
VideoE

Rank: Member

Groups: Registered
Joined: 5/31/2020(UTC)
Posts: 26
United States
Location: California

Heath, thanks a lot for the response. I believe/hope your theory is right and have tried to explore it in other forums. Unfortunately, the kind of laptops we like for vMix are most often 'gamer' laptops and while vMix mostly benefits from their strengths, according to you and Tim, some things like the CPU base speed, seem to be more important for vMix. I'm guessing that's why you went with a 10th gen CPU for your desktop with a really high base clock speed!? Yes, no, maybe so?

Anyway, thanks again for your time and attention. I know you must be crazy-busy. Especially with your Lego building...
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