Reinstalling a Reluctant i1 Device on Windows PC's
Device drivers for measurement devices such as the i1 family can be difficult to establish on Windows PC's, and they are established on a port by port basis, which many users are not expecting.
The Windows "plug and play" feature is not always successful. Perhaps they should have named it "Plug and Pray". The root cause of most USB issues is that the customer plugs the hardware into the computer BEFORE installing all required supporting software. When this is done, the "Found New Hardware" wizard launches but is not able to complete the installation. Either the customer cancels or the wizard aborts leaving the task incomplete.
The steps below detail the removal of a partially installed device followed by the additional steps required to perform a fresh installation.
Before you begin, ensure that you have your hardware or software installation disk at hand.
Close all applications. Leave the USB hardware attached and turned on.
Right-click on the My Computer icon on your desktop then from the dialog box, left-click on Manage.
Left-click on Device Manager.Scroll to the bottom of the list and expand the Universal Serial Bus Controllers entry.
Look for an X-Rite entry like "i1" or "i1display". Chances are it is present but with a yellow warning icon indicating a problem with the installation.
Right-click on that entry and select Uninstall.
After the uninstall is completed, disconnect the hardware from the PC. Wait about 15 seconds then re-attach the instrument.
The Found New Hardware wizard should launch. Follow its prompts. If it asks for the product CD then insert your installation disk and continue.
In the majority of cases, the above steps will resolve the USB installation. If it does not, or the driver installation finishes but the device is still not found, do the following:
Uninstall the device as in steps 2-7 above.
Search your system for i1.sys, i1.inf, i1.pnf, plus those relevant to the instrument you are using, for example "i1.inf" and "i1display.pnf."
Note the location of each of these files and delete them.
Reconnect the instrument to a USB port on the computer.
When the Found New Hardware wizard starts, manually direct it to the USB driver folder you extracted. The wizard should be able to finish the installation successfully. Remember to click "Continue Anyway" if you receive a prompt about Windows Logo testing.
This procedure resolves problems with corrupted driver files or instances where multiple versions of the driver were installed on top of each other.
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