Alienware 17 R3

trying to get to the installer but end up in a restart loop.
-I've switched SATA from RAID to AHCI
-built the usb as per RehabMan's guide
View attachment 211156

-config.plist replaced with :-

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>ACPI</key>
<dict>
<key>SortedOrder-Comment</key>
<string>This is the original order...

Alienware 17 R3