Question Laptop doesn't boot even bios or just no display ?(HP Elitebook 8460p)

Aug 13, 2021
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As the title says I turn it on the fans are spinning and also the hard disk but I don't see anything on the screen turning on here's the image of the laptop. I tried plugging an external monitor but this the only output. I don't know which is at fault here or can it still be fix by myself hope this get's attention here.
 
Aug 13, 2021
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yes as I tried every solution I found in the net then I tried it again just now I plugged it in before turning it on external monitor display is just like on the laptop but then after pressing fn+f4 external monitor turn blue. its the onboard graphics is it ?
 
yes as I tried every solution I found in the net then I tried it again just now I plugged it in before turning it on external monitor display is just like on the laptop but then after pressing fn+f4 external monitor turn blue. its the onboard graphics is it ?
It's one of two things, gpu died or your motherboard did I would guess to say. The external display showing nothing usually means this.
 

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