Changed GPU for Display now Displays won’t turn on. Please help urgent

[morgan o'dwyer]

Hi in urgent need of help. I was trying to change my display from my decidated graphics to external graphics card and it has now resulted in my display screens now not turning on at all. My pc is working fine and is on like normal I just can’t see anything as once I changed the display setting it’s now not working. Please help if possible if anyone has solutions.

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