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Dell Inspiron 7567 UHD model problem with 4K Video on Youtube

I buy the new Inspiron 7567 that come with i7 7700HQ + 8GB Ram + 1050Ti + 4K UHD IPS Screen

But when install the latest version of Windows 10 Pro 64-Bit and latest driver update from dell website that search by Dell Service Tag.

When i played the 4K video on Youtube (Chrome and MS Edge) is not smoothing have lag every 10 sec.

No problem with 1080 or 2K res.

Anyone see the same problem like this? I think this HW spec should be fine for playing 4K video?