Appendix A: Troubleshooting
Scanning Problems
Most problems are easily solved, and some of the most common questions and their recommended solutions are listed below.
Symptom: After following the installation instructions, my computer cannot find the scanner.
Cause 1: Your software may have not been successfully installed.
Solution 1: Please insert the
Cause 2: | Some aspect of your computer system does not support USB. |
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Solution 2: | Download | and | execute | the | file | USBREADY.EXE | at |
| http://www.usb.org/home to determine the level of your computer’s | ||||||
| USB support. |
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Cause 3: | USB is not enabled in your BIOS settings. |
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Solution 3: | Enable the USB controller in your BIOS settings. This is typically done | ||||||
| by pressing a key4 (usually <del>, <F1> or <F10>) during startup. In the | ||||||
| BIOS Settings screen that appears, find the option for USB and enable it. | ||||||
| Exit and Save the changes you made. Your computer is rebooted | ||||||
| automatically. Please consult your computer vendor before attempting | ||||||
| to do this change. |
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Cause 4: | The USB controller was improperly installed on your computer. |
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Solution 4: | To reinstall the USB controller, click on the Start button, choose Settings | ||||||
| and select Control Panel. In the window that opens, | ||||||
| Add New Hardware icon. Carefully follow the instructions that appear on | ||||||
| your screen. |
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Symptom: | The scanned image looks grainy on the screen. |
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Cause: | Your video mode is not set to show more than 256 colors. |
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Solution: | We recommend that you set your video mode to 16 bits per pixel (65536 | ||||||
| colors) or higher. Please consult your video card, computer or Windows | ||||||
| documentation to change the video mode. |
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Symptom: | The scanner scans very slow. |
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Cause 1: | You are running other applications in the background. |
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4Please consult your computer manual on how to modify your BIOS/CMOS settings.
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