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Alisl
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Monitors go into Sleep Mode on Cold Boot

HP Recommended
HP Omen Desktop PC-880-160se
Microsoft Windows 10 (64-bit)

This computer was purchased new in March 2020 with Windows 10 Pro. My Graphics card is a NVIDIA® GeForce® GTX 1660 Ti Graphics (6 GB GDDR6 dedicated). The computer has one DVI and one VGA port. I have two Dell monitors and use a VGA-to-DVI adapter cable for one of them.
The monitors both work JUST FINE after I successfully Login to the computer.
My problem is getting to a Login screen.
* The first two times I turn on the computer in the morning, the Primary monitor will display the HP Omen logo and the secondary monitor will go into sleep mode.
* Usually on my 3rd power-up attempt, the Primary monitor will display the Lock Screen.
* I can also press [Esc], get to a Startup Menu and successfully get to the Lock Screen most of the time.
Trouble-shooting attempts that have had no effect:
* I have switched the Primary/Secondary monitor identifications in the Display Settings.
* I have switched the cables in the ports on the computer.
* I have tried leaving each of the monitors turned off when I power-up.
What can I do to successfully get to a Lock Screen the first time without going through Startup?

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Alisl
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HP Recommended

CORRECTION:

The monitors are plugged into the Graphics card, NOT the computer.

There is no VGA port -- the adapter with the DVI cable coming from one monitor plugs into a DisplayPort.

The monitors are identical - same model #, manufacturing date, and serial numbers except for the last 4 digits.

The Lock Screen most often can be successfully displayed when only one monitor is connected to the video card (as opposed to just being turned off while still connected).

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