- On a second USB create a POP OS live disk using pop os and balenaEtcher
- Boot that up - may have to disable secure-boot
- Boot up in UEFI mode, not legacy or USB mode
- Go through the install guide
- Select advanced set up NOT 'clean install'
- Set up partitions thusly
- Partition table = GPT
- 1st partition EFI, 512mb, fat 32