![]() If necessary, I might (perhaps) be able to find a screenshot this info from before the failure. However, the USB ports are soldered directly onto the motherboard, ruling out a loose connector. ![]() I have previously taken apart the laptop to clean out dust, so I can't rule out mechanical damage.Originally two of the ports had stopped working, but then one of them returned to life, for no clear reason. One of the USB-A ports no longer works at all. ![]() uninstalled and reinstalled the USB root hub driver through Windows Device Manager.Windows System Restore to a time before the problem began.Image 2: Could these highlighted lines be a clue? Is "HubIs2.xCapable" a flag which can be changed in the firmware/driver? The built-in hardware functions normally - apparently over full-speed and high-speed connections?) Note: F=full speed=USB 1, H=high speed=USB 2, S=superspeed=USB 3. (The other devices shown are the laptop's built-in hardware (keyboard etc.). A USB 2.0 flash drive is also connected but not detected. Image 1: USB Device Tree Viewer with a USB 3.0 Kingston flash drive connected through two USB 3 hubs. Same symptoms in Windows 11 and Linux Mint. No more clickity-clackety keyboard or fancy sound card :( No identifiable cause or significant event preceding the failure. However, USB 1/2 device or hub is not detected. ![]() Symptom: All USB 3.0+ (SuperSpeed) devices work, including through daisy-chained USB 3 hubs, connected by USB A or C. The laptop has three USB-A ports, and one USB-C port. The laptop is a 2017 Acer Spin 5 SP515-51GN, which internally is the same as a Nitro Spin NP515-51. ![]()
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