Why does my docked laptop keep disconnecting every few seconds?
Monitors with built-in USB-C docks cause laptops to repeatedly drop and re-establish their connection every 15 to 45 seconds. This constant connecting and disconnecting makes the hardware flaky and completely unreliable for daily use.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1having a secondary power source for said laptopsDid this help you?
- 2Updating drivers for the docking station and GPUDid this help you?
- 3Replacing cables (USB-C, DisplayPort, and HDMI)Did this help you?
- 4Using only a single external monitorDid this help you?
- 5Trying different ports on the docking stationDid this help you?
- 6Disabling USB selective suspend and PCIe link state managementDid this help you?
- 7Power cycling the dockDid this help you?
- 8Using a high-end certified USB-C cableDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Monitors are capable of delivering 65W of power, but the laptops non-the-less constantly (15-45 seconds or so) drop the connection and reconnects.”source ↗
“While the workaround is working, I was wondering if anyone else is seeing this same behavior and if you managed to solve it?”source ↗
“the image on either monitor just doesn't stay on. It doesn't matter if the monitor is connected via DisplayPort, HDMI or USB-C. It just keeps connecting and disconnecting.”source ↗
“I deployed a couple of different i-tec docks and they were problematic too”source ↗
“they are flaky AF and not worth the hassle.”source ↗
Where this came up
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