Windows 10: Bios not showing on external monitor when having a broken laptop screen

So my laptop screen is broken and have a second monitor connected with hdmi, now i want to acces bios but everytime i boot it to bios it doesnt go to my external monitor. I triedd setting it as my main display i deleted driver of laptop screen all didnt work also ddisconnected the panel of my laptop from my motherboard still not going to my second monitor can anyone help or does anyone know how to force the bios to go to my second monitor. The laptop is a hp victus.

:)

 

Laptop with broken screen How much?

I would like suggestions and look in local stores. I dont wanna buy a laptop from someone online. Sorry. But could be a good idea if you asked him about the performance on older games. Gonna make a list ofall laptops people suggest me.

Remove the screen for space purpose here its small desk and if the screen is opened it will hide my 22 inches lcd

 

Laptop screen will only work once it has been connected to an external monitor, even if that monitor is switched off

Having an issue whereby I cannot see or use the Laptop screen without first plugging it into an external monitor.

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  Upon Windows startup unconnected to any external monitor
  
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    DELL opening logo can be seen on Laptop screen
    
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    Screen goes black with backlight
    
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    Mouse pointer can be seen onscreen if moved to the right, as though a second monitor is connected on the left hand side.
    
  • 
    Attempting to press enter and type in password in the correct order as though the screen was functional does not do anything
    
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  Upon connecting to an external monitor (even if switched off)
  
  • 
    Laptop screen will suddenly appear, all functionality restored
    
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  Upon disconnecting again from external monitor
  
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    Laptop screen remains visible and functional
    
  • 
    Lock screen /unlock screen no problem
    
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  Upon shutting and opening the laptop lid
  
  • 
    Screen black with backlight, same results as windows startup, mouse pointer can be seen and moved as though a second screen is connected on the left
    
  • 
    No functionality until reconnected, even for a second, with an external monitor.
    

Troubleshooting:

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  Restarting multiple times, checking multiple display screen is not activated:
  
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Windows 10 with an external monitor

Hi,

I have to use an external monitor with my laptop due to it's broken screen and I normally don't think this would be much of an issue, however, on startup the external monitor doesn't show anything(so I have no access to startup/BIOS screens and whatnot)
and I was wondering if that would cause issues with the Windows 10 installation? And if so, does anyone know what I could do to fix the problem?

Thanks ahead of time