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Troubleshooting
If you experience problems, read this chapter first. It contains information that will help you solve the problem.
* For help with Windows or Mac OS X operation, refer to the documentation for your computer or operating system.
Is the CD-ROM inserted correctly in your CD-ROM drive?
Make sure that the CD-ROM is correctly inserted in the CD-ROM drive.
Could the CD-ROM itself or the lens of your CD-ROM drive be dirty?
The installer may not operate correctly if the CD-ROM or the lens of your CD-ROM drive
is dirty. Use a commercially available CD cleaner or lens cleaner to clean the disc or lens.
Are you attempting to install from a networked CD-ROM drive?
The driver cannot be installed from a CD-ROM drive on the network.
Could you have connected the A-PRO to your computer before installing
the driver?
If you connect the A-PRO to your computer before installing the driver, an error
message may appear when you begin the installation.
Reinstall the A-PRO driver as described in “Reinstalling the driver” (p. 80).
Are there any devices labeled “Other,” “Unknown,” or “?/!/X” in the
Device Manager?
If driver installation was not completed successfully, the partially installed driver may
remain in an incomplete state.
Reinstall the A-PRO driver as described in “Reinstalling the driver” (p. 80).
Did you log on to Windows with the appropriate user privileges?
You must log onto Windows using one of the following user names.
• A user name belonging to the Administrators group, such as Administrator
• A user name whose account type is Computer Administrator
* For details, ask the system administrator for your computer.
In some cases, you may be unable to install the driver because of the
“Driver signing option” settings.
Refer to “Driver signing option settings (Windows XP)” (p. 80) and make the
appropriate settings.
Could other software be running, perhaps in the background (such as
anti-virus software)?
The installation may not occur correctly if other software is running.
Be sure to close all other software before you perform the installation.

Problems when Installing the Driver

Can’t start up the installer

A warning or error appears during the installation

(Windows)

Can’t install the driver according to the procedure

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