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January 15th, 2025 14:47
XPS 14 boot screen on external display
I operated XPS 15 9500 for years with Dell dock 19 series TB, and now I switched to XPS 14 9440 with an upgraded dock (22 series TB).
When using XPS 15 I was seeing the boot screen on my external displays (connected via dock) almost instantly one the power button was pressed. It actually enabled me to enter BIOS using the external keyboard and mouse.
For XPS 14 it's no longer possible - the external display only turns on when Windows is almost fully loaded (the lock screen appears). I cannot make it display the earlier boot stages, and be available since the power on.
I reviewed the BIOS settings on both machines, and they seem the same (for options common for both models), and I cannot get the display to be enabled instantly after power on.
Am I missing something here? Is the desired behavior even possible to achieve with XPS 14? I can remove the laptop from the stand when I need to enter BIOS, but since the prior solution was more convenient, I'm looking to mirror it with the new gear.
HedgeFundManager
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January 16th, 2025 01:31
The UEFI is hard coded to the LCD until windows can open the secondary panel
mikolajek
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January 16th, 2025 09:22
Got this, thank you!
However, do I really need to wait until Windows is up to have my external display powered on?
Can't I see the "running circle"? ;)
HedgeFundManager
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486 Posts
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January 16th, 2025 16:43
The circle animation is used at the loading stage and the windows display manager is late in the load sequence
mikolajek
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January 16th, 2025 16:45
I see, thank you! Do I get this clear it was possible to see it with the older XPS15 BIOS (I have the latest 1.31 I believe), but not with the new XPS14 BIOS? They seem to be very alike :)
HedgeFundManager
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486 Posts
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January 16th, 2025 18:52
The UEFI is similar across the board as it is intended to load Windows etc
It also handles devices which Windows can then load drivers for