3: Troubleshooting
3. Delete the OOI_USB.INF in the INF directory. If your computer is running either the Windows
2000 or XP operating system, you must also delete the OOI_USB.PNF file 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 is now able to locate and install the correct drivers for the USB device.
Troubleshooting the Serial Port Configuration
Occasionally, you may encounter problems with the serial port connection and/or software. Perform the
following procedure to troubleshoot the serial port connection.
►
Procedure
1. Cycle the power on the NIR Spectrometer and restart the OOIBase32 software. This ensures that
the software and the hardware synchronize properly.
2. Determine the serial port (COM port) number:
Operating System Instructions
Windows
95/98/ME/XP
1. Right-click on My Computer
2. Select Properties
3. Click the Device Manager tab
Windows 2000
1. Select Start | Settings | Control Panel | System
2. Select the Hardware tab
3. Click the Device Manager button.
Windows NT
Select Start | Programs | Administrative Tools (common) NT
Diagnostics
3. Double-click on the Ports (COM & LPT) option to display COM port numbers. Ensure that no
warning icon appears next to the NIR Spectrometer’s COM port.
197-00000-512-02-0305 15
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