Solved Games won't play through external monitor

January 17, 2015 at 07:52:12
Specs: Windows 8.1 x64, i7-3740QM @ 2.7GHz / 16 GB
I have an HP 2711x 27" monitor connected to my Sager laptop with an AMD Radeon 7970M video card, and I use DisplayLink technology to connect the two.

I am able to play some high-output games through the external monitor (e.g., Watch Dogs) on modestly scaled-down settings, but totally unable to play others which are much less challenging (e.g., hidden object games). If it doesn't work, I will only hear the audio, and see corrupted graphics. But it seems to be very random which types of games work or don't work.

I understand this has something to do with hardware acceleration (?) or how high the graphics settings are.

Can anyone help me figure out how to make it work most or all of the time? If not, can you give me advice on what my next setup (PC, video card, monitor, software) should look like if I want all games to play through the monitor?

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January 17, 2015 at 10:30:56
Why DisplayLink technology rather than direct HDMI?

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January 17, 2015 at 14:52:05
Because I move my laptop around 10x a day and have loads of peripherals that I don't want to plug/unplug each time: keyboard, monitor, power, speakers, iPhone cable, etc.

With a dynadock USB replicator I just plug in one USB and one power cord and I'm up and running.

To your point... I guess I could just manually plug/unplug the HDMI and I should be good? If so, it's not ideal but it's worth doing if it only means plugging in one more cord.

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January 18, 2015 at 07:12:17
✔ Best Answer
I never had a reason to use DisplayLink but it seems to me an HDMI connection would be superior for gaming. If you had a docking station, it would solve your "plug-unplug" problem. Unfortunately they're generally very pricey.

From a 2011 Tom's Hardware review about DisplayLink: "Its technology is not as suited to environments with lots of movement: movies, mostly, but games are a bad idea, too."

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