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June 30th, 2021 11:00
S2721HGF, Standby mode
My S2721HGF automatically goes to a “No HDMI signal from your device” screen and then a “Standby mode for four minutes” screen every time its turned on. I've tried using a different HDMI cable. I've had this S2721HGF for less than a month. I'm also not a computer person so I am very lost.
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DELL-Cares
Moderator
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July 1st, 2021 05:00
We tried reaching you on a private message asking for the S2721HGF Service Tag number to ascertain the warranty but did not receive a response. Please reply to the private message whenever you are available.
DELL-Chris M
Community Manager
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July 1st, 2021 05:00
Before you turn the S2721HGF on, is the PC computer turned on?