Stop after failure and convert:
Reproduce the fault, then analyze the resulting dump with WinDbg:
If you see "SC GKDL" listed in your Windows Device Manager under "Other Devices" or "Universal Serial Bus Controllers," you are almost certainly dealing with a (also known as a USB-to-TTL converter). sc gkdl usb2.0 driver
It converts USB signals into serial data (RS232), allowing older serial devices to work with modern laptops.
From a 2025 perspective, is a legacy driver with potential risks: Stop after failure and convert: Reproduce the fault,
If used in a security-sensitive environment, isolate the controller via a dedicated IOMMU group or replace it.
You will see a value that looks something like this: USB\VID_xxxx&PID_xxxx You will see a value that looks something
If you still face issues, leave a comment below (or post on a technical forum like Tom’s Hardware or Reddit’s r/techsupport), including the exact hardware ID and your Windows version – the community can often find a driver you missed.
PCI\VEN_1C00&DEV_0A20&SUBSYS_GKDL USB\VID_1C00&PID_GK00 ACPI\SCGKDL001
If any of these sound familiar, you are likely missing the correct .