Canon PIXMA MP250 - Manual (Page 630)

Advanced Guide > Troubleshooting > Problems with Scanning > Scanner Does Not Work After Upgrading Windows
Scanner Does Not Work After Upgrading Windows
Check: Disconnect the machine from the computer, then uninstall and
reinstall the MP Drivers and MP Navigator EX.
Step 1: Uninstall the MP Drivers.
See " Deleting the Unnecessary MP Drivers " for details.
Step 2: Uninstall MP Navigator EX.
1.
From the Start menu, select (All) Programs > Canon Utilities > MP Navigator EX 3.0 > MP
Navigator EX Uninstall.
2. When a confirmation appears, click Yes.
3. When uninstallation is complete, click OK.
MP Navigator EX is uninstalled.
Step 3: Reinstall the MP Drivers and MP Navigator EX.
Insert the Setup CD-ROM into the computer's disc drive, then select Custom Install and reinstall the
MP Drivers and MP Navigator EX.
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