Windows
Slow performance when powered through a docking station
The computer was running slowly while it was being charged through a docking station. The technician plugged the charger directly into the computer, after which it was working faster, and the user was told to monitor it.
Killed once by someone from XL.net, on 2025-10-29.
Affects
Hardware
- docking station
What you see
- Slow or inconsistent computer performance while connected through a docking station.
- Performance improves after bypassing the dock and plugging the charger directly into the computer.
Why it happens
Likely The technician suspected the docking station was limiting the power output to the computer, which was causing the slowdown.
When it shows up
A laptop is slow only when it is powered or charged through a docking station, and performance improves when the dock is bypassed.
You are in this case if:
- The computer is connected through a docking station for power/charging.
- The charger can be plugged directly into the computer and performance then improves.
1 fix below
The steps that killed it
The steps are behind a quick check
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Someone from XL.net killed this on a Windows computer on 2025-10-29. It is written up from that one repair, so it cites no outside page.