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I'm trying to install a firmware update for the Dell monitor I just bought, but the install package “can’t opened because Apple cannot check it for malicious software”. This is for Dell’s U2720Q 4K 27” monitor. Contacting the developer is close to impossible.
Mac mini, macOS 11.6
Have you tried ctrl-clicking on the file and choosing Open from the contextual menu?
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Installing a Dell Mac OS Firmware Update Package (Ver. M2T105) for U2720Q monitor is meeting with Mac warning.
