Windows 7 opstart problemen:
http://www.tomshardware.com/news/win7-windows-7-mbr,10036.html

Windows 7 of 8 “bootmgr is missing” oftewel “zoekgeraakt”:
http://www.thewindowsclub.com/fix-bootmgr-missing-windows-7

Repareer MBR in Windows 7 of 8:
http://www.thewindowsclub.com/repair-master-boot-record-mbr-windows

Repareer EFI bootloader in Windows 8:
http://www.fixedbyvonnie.com/2013/12/how-to-repair-the-efi-bootloader-in-windows-8/