RE: inspiron 15 7567 i5 duplicate display working but extend display not working on external monitor
Thanks for posting.
Apologies that your old AOC monitor is not working as you expected with your new computer.
Have you tried the AOC website for a solution? Here is some information you may find helpful: http://dell.to/2zGyTUl
and an article from Microsoft which may be helpful as well: http://dell.to/2zE2k9u
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