Unable to Boot Windows 7 from GRUB

view story

https://bbs.archlinux.org – I recently reinstalled Arch onto my laptop (Lenovo Thinkpad t520) and have been having problems with Grub. For the last week I've been having trouble getting it to run grub at boot at all, only being able to run windows 7 by flagging it as the bootable drive. The other day I finally got it to boot into grub, and from grub I can boot into Arch. However, I can not boot into windows 7 through grub. When I attempt to, it throws an error:Invalid EFI file pathI'm somewhat new to arch, and especially new to efi bootloading and such. Right now the only way I can get into windows is either bo (HowTos)