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- How do I add a 3rd monitor to my Pavillion all-in-one comput...

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01-12-2022 11:09 AM
@Tonyv16 -- Your options are limited.
Do you want the 3rd monitor to "duplicate" the output on the 2nd monitor? If so, there are "splitters" to send the same video-signal to multiple monitors.
Since you have an All-In-One, your computer probably only has one video-output port, and you have no opportunity to replace the internal video-card.
If that video-output port is a DisplayPort connector, you might be able to "daisy-chain":
external video-output port --> DisplayPort cable --> DisplayPort video-input on monitor #1 --> DisplayPort cable from video-output on monitor #1 --> DisplayPort video-input on monitor #2.
Note that not all DisplayPort monitors have BOTH a "video-input" and a "video-output" port.
In the above, only Monitor #1 needs this feature -- Monitor #2 only needs the standard video-input port.
So, if you purchase a 3rd monitor, be sure that it has both ports, and place it as "monitor 1".