Hello,
I unfortunately do not see any attachment.
The tech support guy you got was a bit lazy... Dell designed that product and Dell is supposed to support it!
Nonetheless, I'll be delighted to look into it once I have the logs and the answer to a few questions:
1. When the monitor is blinking, does the content of these monitor (windows) go to the laptop/primary monitor?
2. Is the blink once, and about 1 second?
3. Does your office use gas lift chairs? If so, can you have a look if that blink can be linked to someone standing up, or a fridge nearby starting?
4. What is the lenght of the VIDEO cables you are using?
Kind regards,
Alban
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