Knowledge Base - Solution

Intermittent probe operation

Tuesday, December 31, 2019
Submitted by ryan.grace on July 8, 2021 - 5:48pm
Problem: 
My Viavi fiber inspection probe intermittently appears and disappears when attached to the PC.
Solution: 
First try another USB port and if the issue persists then try another PC. If the problem occurs on multiple PCs then the probe should be sent in for service. If you have access to an externally powered USB hub you can also try connecting it between the PC and the probe to see if the issue is insufficient USB power being provided by the PC.

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