How to Scan for Hardware Changes in Windows 11

Why Scan for Hardware Changes?

• If Windows doesn’t automatically detect your new device, scanning helps your computer find it.
• It allows Windows to install the 💿 right drivers (software that helps your device work).
• It can also find some older devices that don’t tell Windows when they’re connected.

Method 1Use Device Manager to Scan for Hardware Changes

Step 1: Open Device Manager:

• Press Windows key + R on your keyboard.
• Type devmgmt.msc and press Enter.

Device Manager provides a graphical interface for querying system buses. Step 1: Open Device Manager Search for Device Manager in the Windows search bar and open it. Step 2: Scan for Hardware Changes In the Device Manager window, click on the Action menu at the top. Then, select Scan for hardware changes. Step 3: Wait for Detection Windows scans all connected ports for new or updated hardware. Devices may flicker on and off the list while the system builds its inventory. Step 4: Install Drivers (If Necessary) Unmatched components require manual intervention when automated matching fails. Right-click the detected device and select Update driver.

• Click the Scan for hardware changes button in the toolbar (it looks like a computer with a magnifying glass).
• Or, click on the top device name (like your PC name), then click Action in the menu bar, and select Scan for hardware changes.

Visual reference:

Method 2Use a Command in Windows Terminal

Command-line execution offers an alternative when graphical menus fail. This method relies on PnPUtil (a command-line utility used to manage hardware drivers) to handle the scan.

Step 1: Open Windows Terminal as an administrator:

• Right-click the Start button and select Windows Terminal (Admin).
• If prompted by User Account Control, click Yes.

Step 2: In the terminal window, type or copy-paste this command and press Enter:

pnputil /scan-devices

This syntax compels the kernel to query connected buses and configure matching peripheral software.

Post-scan operations involve matching INF files to newly discovered hardware IDs. Unrecognized components require manual software sourcing.

Bus enumeration refreshes Plug and Play (PnP, a subsystem allowing automatic device configuration) device trees. Sluggish peripherals and ghost entries often resolve after refreshing the hardware stack.

Step 3: When it finishes, you can close Windows Terminal.

Summary

Verifying peripheral recognition across Windows 10 and 11 requires targeted diagnostic actions:

Manual scanning serves as an exceptional diagnostic tool when physical components fail to announce their presence to the operating system.

• Use Device Manager’s Scan for hardware changes button or menu.
• Or run the pnputil /scan-devices command in Windows Terminal (Admin).
• You must be signed in as an administrator to do these.
• These steps help Windows find and set up new devices without you needing to restart.

Executing these maintenance steps resolves hardware visibility glitches and restores peripheral responsiveness.

Forcing a hardware re-detection addresses physical connectivity faults, but corrupted driver packages demand deep maintenance. Persistent hardware failures require manual driver rollbacks or clean reinstalls.

What Happens After Scanning?

System bus queries trigger automated driver installation routines for identified hardware IDs. Unrecognized peripherals display warning badges inside Device Manager when matching drivers are missing. Acquiring vendor-specific installation packages resolves these resource conflicts.