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U2722DE, no USB-C signal from your device, #3
Hello,
I've been using the Dell U2722DE daily for over 2 months.
It used to work both for my MacBook Air M1 and HP EliteBook without any issues via the 90W PD USB-C Port. When I switched my Laptop on today I got presented with "No USB-C signal from your device". I tried switching to the MacBook - the same issue. Both Devices did still charge but no display output.
I updated the Firmware to the most recent version and all the drivers as well, but nothing helped.
The most likely thing I can think of is the cable being broken but is this possible if it still charges?
Hello Chris,
in the Self-Test, exactly the same thing happens as before. The error message appears.
The Built-in Diagnostics works fine.
One more thing that I noticed, is when connecting it via USB C the Display Manager doesn't recognize the Monitor as supported, which it obviously is.
Do you think it could be the cable?
DELL-Chris M
Community Manager
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Posted October 13th, 2022 06:00
* Turn the U2722DE and all PC's off
* Disconnect every cable and device from the U2722DE (including the power cable)
* Press and hold the U2722DE power button for 8 seconds
* Reconnect only the power cable to the U2722DE
* On a working PC, open the online U2722DE User's Guide
* Run the U2722DE Self-Test and Built-in Diagnostics pages 92/93. Do they pass?
If still under the purchased warranty, click the "Get Help Now" icon on the right to start a live chat session.
DELL-Chris M (old account)
#IWork4Dell