iMac 2009 option key does not show boot o… - Apple Community
How to boot your mac from a USB bootable device - YouTube
macOS High Sierra 10.13 Bootable USB - Mac Medic Store
Adding USB3.0 to late 2009 iMac (11,1) | MacRumors Forums
How to make your own bootable OS X 10.11 El Capitan USB install drive | Ars Technica
NEW METHOD: How to boot from USB on ANY PowerPC Mac! - YouTube
2009 iMac hangs on startup. Get to half w… - Apple Community
Late 2009 iMac, completely wiped hard drive, cannot boot from usb, holding option brings white screen with mouse : r/mac
iMac Late 2009 - Bluetooth and USB keyboard and mouse do not work on Big Sur installation screen · Issue #43 · barrykn/big-sur-micropatcher · GitHub
How to create a MAC OS USB Bootable Drive - YouTube
I got a 2009 iMac but it's got a password, any way to factory reset it? : r/ mac
What to Do When Mac Doesn't Boot from USB - Mac Data Recovery
Got a iMac Late 2009 model A1311 for a very good price, made a bootable USB drive for El Capitan and this shows up. any ideas? All help is appreciated : r/mac
iMac 2009 Stuck in Boot Screen - Apple Community
How to start up your Mac from a bootable CD/DVD, USB thumb drive or external storage device
Replacing an iMac Hard Drive with an SSD
boot - Four display images when live USB booting Ubuntu on an iMac - Ask Ubuntu
Old iMac won't boot. Tried to boot Linux via USB, but got this awesome effect. I suspect a failing GPU. : r/techsupportgore
iMac won't boot from USB, white screen + … - Apple Community
Adding USB3.0 to late 2009 iMac (11,1) | MacRumors Forums
Mac OS Snow Leopard 10.6 Bootable USB - Mac Medic Store
How to Create a Bootable Install USB Drive of macOS 10.12 Sierra « Mac OS Tips :: Gadget Hacks
How to force my 2011 iMac to boot up from a USB drive with a MacOS installer on it - Quora
How to Boot Mac from USB | Mac Won't Boot from USB Troubleshooting
Create Bootable Windows 10 USB memory on Mac mini 2009 late | MacRumors Forums
iMac 2010 boot From USB with Windows keyboard ALT key - YouTube
