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Fix a Windows that has scanner that will not scan

We'll check connections, drivers, and fix scanner when it will not scan.

Troubleshooting · Home maintenance
15–30 min
What you'll need
  • Scanner powered and connected
Step 1 of 4

Quick triage — pick your path

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Choose the option that matches what you see. You can jump straight to that section.

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Steps

Goal: Get the scanner scanning again.

  • Confirm scanner appears in Device Manager.
  • Good: Proceed to Restart WIA.
  • Bad: Fix connection and driver.

Check connection and Device Manager

Goal: Confirm scanner is detected.

  • Reseat USB. Check Device Manager > Imaging devices.
  • Good: Scanner listed. Proceed to Restart WIA.
  • Bad: Reinstall driver; try different port.

Restart WIA and reinstall driver

Goal: Fix WIA service and driver.

  • Restart Windows Image Acquisition service. Reinstall driver if needed.
  • Good: Scanner scans. Bad: Install manufacturer software.

When to get help

Contact manufacturer if:

  • Scanner has hardware error.
  • No power or mechanical fault.

Verification

  • Scanner appears in Windows Scan app.
  • Scan completes without error.
  • Image is saved or displayed.

Escalation ladder

Work from the device outward. Stop when the problem is fixed.

  1. Connection and WIA Reseat USB; restart WIA service.
  2. Reinstall driver Uninstall; restart; plug in again.
  3. Manufacturer software Install manufacturer scan software.
  4. Call a pro Hardware error; manufacturer support.

What to capture if you need help

Before calling support or posting for help, have these ready. It speeds everything up.

  • Scanner: appears in Device Manager?
  • Connection: USB or network
  • WIA service: Running?
  • Steps already tried

Does scanner appear in Device Manager?

Not detected means connection or driver.

Device Manager > Imaging devices. Good: scanner listed—restart WIA, try scan. Bad: reseat USB, reinstall driver.

Yes No

You can change your answer later.

Does restarting WIA fix scan?

WIA service can get stuck.

Services > Windows Image Acquisition > Restart. Try Windows Scan app. Good: scan works. Bad: reinstall driver.
Question

Scan works?

Continue

You can change your answer later.

Fix connection and driver

Reseat USB. Try different port. Uninstall scanner, restart, plug in. Install manufacturer software.

Done

Reinstall driver

Uninstall scanner in Device Manager. Restart. Plug in. Or install manufacturer software.

Done

Reviewed by Blackbox Atlas

Frequently asked questions

Why would a scanner not scan?
Not detected, driver missing, WIA service stopped, or connection. Check Device Manager and connection.
Can I fix scanner myself?
Yes. Reseat USB, reinstall driver, restart WIA service. Use Windows Scan app or manufacturer software.
When should I call a technician for scanner?
If scanner hardware fails (no power, error lights). Driver and Windows issues are usually fixable at home.

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