I would give you my EFI folder which contains everything you need but the file is too large for the forum to accept. The zipped file size is 850K. I could try to email it to you.
You MUST change the /EFI/boot/grub.cfg to match your computer. You must use this exact path as most EFI system are hardcoded to accept this location only. Also your EFI partition MUST be a fat32 partition.