The quick reply isn’t any to utilizing a flash drive alone. You are attempting to do one thing that was not accessible on iMacs till the 2013 mannequin 12 months. Apple has not issued any updates to make this attainable in your early 2009 iMac.
Right here I assume you are attempting to put in 64 bit Home windows 7. Extra info (together with drivers) might be discovered right here.
A couple of objects to know:
- The Home windows 7 ISO file ought to embody Service Pack 1 (SP1). Though, customers have reported with the ability to set up with out SP1.
- Formally, your Mac helps 32 bit Home windows 7, however not 64 bit Home windows 7. This most likely means you will be unable besides a 64 bit Home windows 7 installer DVD with out having to burn a custom-made DVD.
- UEFI booting a Home windows 7 USB flash drive installer often (if not all the time) fails for iMac fashions.
- The drives supplied by Apple (Boot Camp Assist Software program 4.0.4033) are designed for a 32 bit Home windows 7. Though, many have succeeded in utilizing the drivers with 64 bit Home windows 7.
- The drivers are designed to assist a BIOS booting Home windows. An UEFI set up may cause issues like sound not working.
- BIOS booting from the USB port is not attainable in your mannequin Mac.
- You might want a wired keyboard and/or wired mouse to finish the set up.
- To make sure all accessible firmware updates are put in in your Mac, it’s best to have put in OS X El Captain with all its updates. That is the most recent model suitable along with your Mac.
All viable strategies of putting in Home windows 7 will go away ache. The one query is the place would you like the ache? Or, perhaps hand over and keep away from ache.
Under are two strategies which might be utilizing to put in 64 bit Home windows 7.
Technique 1
Burn a DVD. I choose to make use of a RW DVD. If the DVD won’t boot correctly, then you will want to carry out surgical procedure on the ISO file to take away the EFI booting recordsdata. This may require a machine working Home windows. This technique mustn’t require having OS X put in on the Mac.
Technique 2
Use digital machine software program put in in OS X. This may be executed the place after ending putting in Home windows 7, OS X might be eliminated. Or you possibly can go away OS X put in for a twin boot association. I ought to level out that the digital machine technique doesn’t truly contain utilizing a digital machine to run Home windows 7. As a substitute, the digital machine is used rather than a bodily optical drive to learn from the Home windows 7 ISO file. As soon as put in, Home windows 7 operates on the bodily Mac with out using digital machine software program. See this query for some resent work posted by TAbdiukov.
