Ocean Optics USB2000 - Manual (Page 21)

Troubleshooting
USB2000 Operating Instructions 16
Windows 2000/XP:
Remove Improperly Installed Files:
1. Open Windows Explorer.
2. Navigate to the Windows | INF directory. If the INF directory is not visible, you will need to disable the
“Hide System Files and Folders” option on in Windows Folder Options.
Note: If the INF directory is not visible, you will need to disable the “Hide System Files and Folders” and
“Hide File Extensions for Known File Types” options in Windows Folder Options.
You can access Windows Folder Options from Windows Explorer, under the Tools | Folder
Options menu selection.
3. Delete the OOI_USB.INF and OOI_USB.PNF files in the INF directory.
4. Navigate to the Windows | System32 | Drivers directory.
5. Delete the EZUSB.SYS file.
6. Reinstall your Ocean Optics application and reboot the system when prompted.
7. Plug in the USB device.
The system will now be able to locate and install the correct drivers for the USB device.