Tagged Questions

0
votes
0answers
4 views

How to enter boot menu without command key?

My Macbook air has a keyboard issue, the z key does not work except upon startup where it becomes stuck for several seconds. This interferes with opening the boot menu on startup, because it detects ...
2
votes
1answer
90 views

FreeBSD Install DVD corrupted my Mac OS X harddisk

Recently, I have tried a FreeBSD 7.4 i386 Install DVD, just to see some screens of FreeBSD on my Mac mini Intel 2006. I was going to see (to remember) just several dialog screen of and perhaps I would ...
0
votes
0answers
80 views

dev/disk0 designation switching between HDD and SSD

I have an iMac9,1. I replaced the optical drive with an SSD. I have the OS installed on the SSD and the HDD is now for files. I have noticed that sometimes after booting that the SSD will be ...
0
votes
0answers
126 views

Mac Pro 1,1 - cant boot from USB Key?

I am trying to install linux, by booting from a USB key. When I option-boot, an orange icon labelled 'EFI Boot' appears. When I select it, the activity light on the USB key flashes for about 3-4 ...
0
votes
2answers
3k views

How can I boot a 2012 Mac Mini off of a USB thumbdrive with CentOS on it?

I have a 2012 Mac Mini running OS X 10.7.3. On another PC, I have created a USB boot disc with CentOS 6.2 on it. The goal was to install CentOS onto the Mini. The USB drive is MBR partitioned and ...
1
vote
1answer
861 views

What can slow down/How can I speed up the pre-kernel boot steps?

I've got a late 2007 Macbook Pro with 4 GB of RAM and an SSD. I am running Boot Camp and have an OptiBay. I have partitioned the SSD and secondary drive to devote half of each to Lion and half to ...
2
votes
1answer
727 views

MacBook Pro 2010 won't boot after EFI upgrade

I have updated my MacBook Pro (Core i5, early 2010) with system update to new EFI version, and now after startup it just shows the gray screen and doesen't react on keyboard (just plays the boot ...
0
votes
4answers
3k views

Lion won't start after EFI update

I installed the new EFI update for my MBA Mid 2011 (the software updater said it is recomended). The update went fine and restarted the mac afterwards. Then while booting the apple logo turns into a ...
3
votes
1answer
1k views

How do I boot into the EFI firmware shell?

I'd like to experiment with the EFI shell on a MacBook Pro 2010 model. I am unable to find the keyboard sequence to hold on boot. Does someone know what the sequence is, do I need to boot from my ...