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HP Recommended
HP 17-by2000 Laptop PC series (7EF33AV)
Microsoft Windows 11

17 by 2000 laptop (7EF33AV).  Dell Extended display with display adapter to HDMI port on laptop.  All software current.

I can't tell why the extended display reverts to power save mode after only an hour or two of use.  I can't see any settings I can tinker with.  I fixed it a few years - just don't recall the method. Help?

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