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SOLVED: Black screen with horizontal dotted green lines when booting from Windows installer USB
Fix for Windows installer USB stick created with Rufus not booting up. The screen just shows horizontal dotted green lines.
Problem: Windows 10 installer USB won't boot
Windows 10 installer USB stick created with Rufus fails to boot. All you get is a black screen with horizontal dotted green lines.
Solution: Create USB using MBR partition scheme
When creating the bootable USB stick with Rufus, change the partition scheme from GPT to MBR, which also changes the Target system from UEFI to BIOS.
If the USB still doesn't boot after selecting MBR, try also ticking the option to "Add fixes for old BIOSes" as well.
Notes:
The computer cannot boot from UEFI media, and the BIOS cant display an error message, so you get the "black screen with dotted green lines" instead.
Reference:
Rufus - FAQ
https://github.com/pbatard/rufus/wiki/FAQ
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