Ocean Optics Correcting Device Driver Issues User Manual

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Correcting Device Driver Issues

Windows 2000:

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 Regedt32 to open the Windows Registry Editor.

2. Navigate to and expand the following key:

HKEY_LOCAL_MACHINE | System | CurrentControlSet | Enum | USB

3. Locate all keys that begin with VID_2457. These are Ocean Optics USB devices.

4. Click on a key to highlight that key.

5. Select

Security | Permissions from the menu and give Everyone full access to that key.

6. Click

the

OK button.

7. Repeat Steps 4-6 for each key beginning with VID_2457. This removes the write

protection for all Ocean Optics USB keys.

8. Delete every key beginning with VID_2457. Right-click directly on the key and select

Delete from the pop-up menu.

9. Close the Registry Editor when you are finished.

10. 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
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.