DELL U2415 显示器设置HIDPI

关闭 SIP

重启Mac，按cmd+r

执行命令 csrutil disable 关闭sip

sh -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/hidpi.sh)”

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csrutil  enable 开启sip

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开启双屏 AppleFontSmoothing

检查：defaults -currentHost read -globalDomain AppleFontSmoothing

设置：defaults -currentHost write -globalDomain AppleFontSmoothing -int 0~3

移除：defaults -currentHost delete -globalDomain AppleFontSmoothing

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另一个方法：

sudo defaults write /Library/Preferences/com.apple.windowserver DisplayResolutionEnabled -bool YES
sudo defaults delete /Library/Preferences/com.apple.windowserver DisplayResolutionDisabled