
ThinkPad: S Series, ThinkPad Yoga and Twist Laptops. ThinkPad: X Series Tablet and Helix Laptops. ThinkPad: P and W Series Mobile Workstations. ThinkPad: T400 / T500 and newer T series Laptops. Recently Released Critical Drivers - Read Only. Recently Released Service Tips - Read Only. Microsoft doesn't explain why this failure is occurring and doesn't appear to be planning to offer a fix beyond informing users of this workaround. Then, you check whether the mouse, keyboard, and USB key are functional.Īs explained, there's a small chance they won't work, at least until the PC has been restarted. You wait for the S5 process to finish, plug in the Thunderbolt Dock, and then wait five seconds for the Thunderbolt Dock to become idle. After the screen turns off, you remove the Thunderbolt Dock. You press the power button to put the system into a Soft Off (S5) power state. Devices on the Thunderbolt Dock are enumerated. You connect the Thunderbolt Dock to the computer. Without this piece of information, users might be stuck in a loop described by Microsoft: Instead, you have to restart the computer," Microsoft notes.
"When the failure occurs, the functionality of the devices cannot be restored by reattaching the Thunderbolt Dock. Microsoft notes the typical scenario for failure to occur is after a user enables Fast Startup on a Windows 10 PC and has several devices, such as a keyboard, mouse, and USB key attached to a Thunderbolt Dock, which is connected to the PC.Īfter waking the device from S5, users may find that the attached devices stop working even if they're listed in Device Manager. S5 is a deeper sleep state than hibernation and involves a full shutdown, causing the system to appear to be off. SEE: 20 pro tips to make Windows 10 work the way you want (free PDF) The new document, titled ' Devices connected through a Thunderbolt Dock stop working after the computer resumes from the S5 power state', details the symptoms and a workaround to a problem that affects Windows 10, version 1709 through to version 1909.Īccording to Microsoft, there's a 5% failure rate for all devices that are attached to the Thunderbolt Dock after a Windows 10 PC wakes from the 'S5' Soft Off power state.
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