Windows 11

Unknown device in Device Manager

Windows needs the correct driver for this hardware.

TRY THIS FIRST

Find its hardware ID

Open Device Manager → the unknown device → Properties → Details → Hardware Ids.

Start with this check

Result: Use what you find to choose the next step.

Still not working?

Use the ID and your exact PC model to find the driver on the manufacturer’s site. Avoid guessing or using third-party driver download sites.

Check the result: Repeat the original task after making one relevant change. If the problem returns, keep the exact message and time.

More detail →

Sources & page details

Hanki's detailed guide · Reviewed 2026-09-26

Choose the entry that matches where the error appeared. A code alone does not identify every cause. Commands are copied for you to review; this page does not run them.