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July 23rd, 2024 23:51

m18 R2, UD22, power error

So I'm using a docking station (Dell Universal Dock - UD22) which plugs into one of my Thunderbolt 4 ports, used for two 165hz computer monitors (Samsung Odyssey G3 24") which are both running 165hz with the provided display ports that came with these monitors. I get this message sometimes:

"You have attached a power adapter to a port that does not accept power. Attach a power adapter to your system's power port. Your port does not accept power. To supply power to your system while docked, attach a power adapter to your system."

Does this affect anything, minor or major on my m18 R2, that I should be aware of since I'm reading that Dell doesn't support docking stations on Alienware laptops?

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54.7K Posts

July 24th, 2024 17:01

Alienware Laptops, no dock support

The UD22 130W AC power adapter is not enough to run the m18 R2 and two monitors. Which is why that message appeared. You are basically running the m18 R2 on battery only. Which will lead to multiple issues. The m18 R2 requires one of the two shipped AC power adapters to be connected to run at best performance =
280W AC power adapter
360W AC power adapter

(edited)

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