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#1 2023-06-12 14:41:45

jpfarias
Member
Registered: 2019-02-26
Posts: 3

Decreased performance when USB-C Power Delivery is connected

Hi!

I searched around and could not find an answer to this issue. When I use my laptop (Tuxedo InfinityBook 14 gen7 with RTX 3050) on battery power it runs smoothly and I can even play games at full speed.

The issue I am having is when I connect it to a USB-C power delivery. It instantly slows down. If I plug in the regular power adapter instead it works fine.

Does anyone knows what could be the issue? I tried many USB-C power supplies, for instance I tried some 65W, 100W, 130W and 140W adapters, with many different cables as well, rated 100W and more.

For reference the regular power adapter for the laptop is 90W.

Something is making the CPU / GPU throttle when I plug in the USB-C power and I can't figure out what it is.

Any help is really appreciated.

Thanks in advance.

-- JP

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