Ocean Optics Correcting Device Driver Issues - Manual (Page 2)

Correcting Device Driver Issues
Correcting Device Driver Issues 2
USB Devices
Windows 98/ME:
Edit the Registry:
Note: Only experienced personnel should attempt to edit the registry. Editing the registry
can result in irreparable damage and an un-bootable computer if care is not taken.
Inexperienced users should NOT attempt these steps. If you feel uncertain in your ability
to perform these steps safely, contact Ocean Optics Customer Support for assistance.
1. Click Start | Run and type in Regedit to open the Windows Registry Editor.
2. Navigate to and expand the HKEY_LOCAL_MACHINE | Enum | USB key.
3. Locate all keys that begin with VID_2457. These are Ocean Optics USB devices.
4. Delete every key beginning with VID_2457. Right-click directly on the key and select
Delete from the pop-up menu.
5. Close the Registry Editor when you are finished.
6. Proceed to the Remove Improperly Installed Files instructions below.
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
View | Options menu selection.
3. Delete the OOI_USB.INF 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 will now be able to locate and install the correct drivers for the USB device.