Scanner Not Working? Easy Fixes to Get Your Scanner Working Again

Is your scanner not working or not detected on your computer? Whether you’re using a standalone scanner or an all-in-one printer scanner, this issue is usually caused by driver problems, connection errors, or software glitches.

The good news? Most scanner issues can be fixed quickly at home without technical expertise.

In this guide, you’ll learn why your scanner is not working and step-by-step solutions to fix it fast.

Common Signs of Scanner Problems

• Scanner not detected by PC

• “No scanner found” error

• Scanner connected but not scanning

• Scan button not responding

• Scanner working before but suddenly stopped

Why Scanner Stops Working

• Loose USB cable or WiFi issue

• Outdated or corrupted drivers

• Scanner service not running

• Software conflict

• Windows update error

Fix 1: Check Connections

Start with simple checks.

• Make sure scanner is turned ON

• Check USB cable is firmly connected

• Try a different USB port

• If wireless, ensure WiFi connection is stable

Restart both scanner and computer.

Fix 2: Update Scanner Drivers

Driver issues are very common.

1. Press Windows + X

2. Open Device Manager

3. Expand Imaging Devices

4. Right-click your scanner

5. Click Update driver

Restart PC after updating.

Fix 3: Reinstall Scanner Driver

If updating doesn’t help:

1. Open Device Manager

2. Right-click scanner

3. Select Uninstall device

4. Restart computer

Windows will reinstall default drivers.

Fix 4: Restart Windows Image Acquisition (WIA) Service

This service controls scanners.

1. Press Windows + R

2. Type services.msc

3. Find Windows Image Acquisition (WIA)

4. Right-click → Restart

Set startup type to Automatic.

Fix 5: Run Windows Troubleshooter

1. Open Settings

2. Go to System > Troubleshoot

3. Select Other troubleshooters

4. Run hardware troubleshooter

Fix 6: Check Scanner Software

Sometimes the issue is with scanning software.

• Reinstall scanning software

• Use Windows Scan app

• Make sure scanner is selected correctly

Fix 7: Check Firewall or Antivirus

Security software may block scanning.

• Temporarily disable antivirus

• Test scanning again

• Add scanner software to exceptions

Fix 8: Reset Scanner

If nothing works:

• Turn scanner off

• Unplug power cable

• Wait 3–5 minutes

• Plug back and restart

When to Call a Technician

• Scanner not powering on

• Mechanical noise inside scanner

• Frequent hardware error messages

• Internal scanning light not working