Basically I’m not sure what’s needed here. If there’s a hidden menu to control this bizarre behavior, I want access to it. If there’s not, I would like a way to undo this hideous behavior. So I might be requesting a modification or a hidden menu allowance, not sure what’s needed.
So last year my laptop’s screen suffered a severe hardware failure. Sager’s awful QA didn’t notice that the Wi-Fi antenna cables were in the SAME part of the neck (it attaches by two hinges) as the eDP cable. This led to both getting exposed to each other when the coating around the Wi-Fi antenna cables connected and they shorted.
Backlight assembly died (and Wi-Fi/Bluetooth card, but that’s easily solved by a USB adapter) and that’s on the motherboard, not the LCD. Since then I’ve had to resort to using it as a mini-PC or “halftop”, without a screen assembly and tethered to monitors or TVs. There’s a bad problem.
The laptop features a “MUX switch”, that, by admitted design by Sager, needs a working LCD for full function.
If the MUX switch is set to “MSHybrid”, the BIOS, or other pre-OS boot information do not appear on an external screen and only on the internal, eDP-using screen.
If the MUX switch is set to “Discrete”, the BIOS, or other pre-OS boot information DO appear on an external screen but NOT an OS.
Is there any way around this? To allow ALL of the BIOS/pre-OS stuff AND the OS to output via HDMI/USB-C/mDP? Sager refuses to help since they literally said it is “intended behavior… to need an LCD” and the army of GPT bots with Indian names at nVidia claim “only manufacturer can help.”.
Mini PCs are often made from laptops. I find it hard to believe these companies only find ones favorable to the idea, most companies are probably like Sager discouraging this type of thing.
If it helps, here’s a video showing what my BIOS look like (not my laptop, but it’s the same graphical appearance for the UEFI BIOS: https://www.youtube.com/watch?v=XzYlLlbfeNw)
My BIOS version, reported by the CMD command "wmic bios get smbiosbiosversion":
SMBIOSBIOSVersion
1.07.07LS1
Here is the backup of my factory BIOS provided by " FPTw.exe -bios -d biosreg.bin": biosreg.7z - Google Drive
Edit by Fernando: Thread title shortened
