Jag testade det, efter omstarten gick jag in i bios och väljer
Bootprio:
1. primärhårddisk där jag installerat OS
2. removable device
3. dvd
harddiskprio:
1. primärhårddisk där OS
2. sekundär
3. osv
Men ändå så står det
Windows Boot manager
windows faled to start. a recent hardware or software change might be the cause. to fix the problem:
1. insert your windows installation disc and restart your computer.
2. choose your language settings, and the click "next."
3. click "Repair your computer"
if you do not have this disc, contact your system administrator or computer manufacturer for assistance.
status: 0xc000000f
info: the boot slection failed because a required device is inaccessible.