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Not directly. This iMac (model: MRT42LL/A) does not support video input, so you can’t use it as a second monitor for a non-Apple laptop through HDMI or USB-C. Workaround is to use screen sharing software like Luna Display, Duet Display, or remote desktop tools, but this may introduce lag. Or for a true dual-monitor setup, consider using a separate external monitor instead.
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