Mac Pro :: Won't Boot "unless" Hold Option Key
Oct 11, 2010
My Mac Pro (early 2008) has a strange issue. It won't get past the grey screen (before the Apple) unless I hold the Option key, and choose the Boot disk manually.
* it only happens after a shutdown
* restart it starts fine
* nothing in console suggests weirdness (although of course it doesn't get this far anyway at boot)
I've tried the usual: zap PRAM, permissions etc. I do have Apple care for another few months but cannot afford the time without my computer at this point.
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Apr 27, 2012
Last week I finally upgraded from 10.6 to 10.7, but now my Mac Pro (2008) won't boot properly. It'll start to boot with the gray screen and the Apple logo, but then the entire screen goes gray and it just locks up there.  However, if I reboot and hold down the Option key to bring up the list of bootable drives that works fine. I've checked my Startup Drive settings and the proper drive is selected. why it won't boot on it's own anymore? Holding down the Option key is getting old.Â
Info:
Mac Pro - Octo Core, Mac OS X (10.5.6)
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Sep 11, 2014
My macbook won't show the screen where you hold down the option key and it won't show the apple logo or the spinning gear just a blank white screen when I turn it on. I replaced the old hard drive with a brand new 500 gb 2.5 inch data hard drive.I also purchased a brand new copy of OS X 10.6 Snow Leopard.when I put the disc in and power it on holding the option key nothing happens just a white screen with no apple logo or spinning gear.
Info:
MacBook, Mac OS X (10.6)
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Apr 7, 2012
When I hold down Option on boot up, it loads to a grey screen with a dark grey padlock. Under that is a password entry field then a dark-grey circle with a right pointing arrow. I've tried every password I can think of but it does nothing. When I click enter the password just dissapears.
Info:iMac, Mac OS X (10.7.3)
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Jun 17, 2012
My mac book pro (current gen) shuts off after closing the screen and won't start up unless I hold the power button for about 10 secs. Â
Info:
MacBook Pro, Mac OS X (10.7.4)
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Jun 17, 2012
I'm asking this question for my brother. He has a 15-inch MacBook Pro (late 2011). He recently reinstalled OS X Lion but now every time he boots his computer he ALWAYS gets the option to chose Macintosh HD or Lion Recovery disk. I'm tech savy but I've tried resetting the PRAM and everything else I culd think of but he still gets that same screen. He is not pressing the option key when booting it just does it automaticlly. Should I do reinstall OS X Lion aain for him or just take it back to Apple and have them look at it?
Info:
MacBook
Pro, Mac OS X (10.7.3), 2.3GHz Core i5, iPhone 4S,new iPad
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Oct 1, 2010
Anyone else had trouble option booting with a 2010 Mac Pro? Can't get to startup manager. All I get is a blank screen. Apple says it must be a hardware problem after having me test everything else. Keyboard checks out. Can boot from install disk holding C key, but cannot change startup disk with prefs to install dvd or to a cloned drive. Have reinstalled SL 10.6.4 from install disk. Zapped pram and unplugged power, held power button 5-10 secs. and plugged in again - to reset computer according to apple tech.
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Dec 13, 2009
Alright I was going to load Windows on a partition thru Boot Camp. However I decided not to and then used the Boot Camp assistant to remove the Windows partition.
Ever since I got rid of the Windows partition, I've have to hold the OPTION key just to get my MBP to boot even though there is NO other operating system installed on the old partition. If I don't hold the OPTION key it won't boot, it just goes to a black screen.
I'm new to mac's and don't know what to do.
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Apr 21, 2012
When some usb devices are connected on my mac mini, all boot option aren't work...for exemple, when i have connected my external Hard Disque or my usb key or a usb device on my mac mini, i want to selecte Windows partition for the boot, BUT the OPTION Key DONT WORK!!!!! And its only want to work if i Unplug all those usb devices, when my mac mini has no usb plugged in, option key work good !! What is the problem ? please help because at the moment the only way if i want to swich between OSX and Windows is to use the boot device selector in the system menu panel, but i want to be able to use Option key even if plugged.
Info:
Mac mini, Mac OS X (10.7.3)
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Jan 26, 2010
Is a usb keyboard needed to switch between OS X and Windows in bootcamp when holding down the option key, or should the Apple bluetooth wireless keyboard work as well?
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Jan 20, 2009
Powerbook g4, internal keyboard fried. Using an external mac keyboard. Rebooted with disc - Coriolis CD Maker using iDefrag [URL]. Did a full defrag of internal harddrive. Unable to boot back from internal harddrive/ There are no options to do so.
I would either need a hardware way of restarting from main internal hd or a command while idefrag is working. Unable to eject cd as well.
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Dec 18, 2008
My iMac won't boot unless I boot it into safe boot. It won't even boot from the Leopard disc so that I can repair the disk and the permissions. Every time it starts up the screen would dim and then I get the message that I need to hold down the power button and restart the computer, which I believe is a kernel panic. I get this same message when I try to boot from the Leopard disc. I've tried repairing disk permissions while in safe boot and it fixed the permissions but still no luck when I tried a normal boot. I've tried replacing the RAM hoping it was faulty RAM as well as changing the slot the RAM was in and that didn't work either. How come it will boot in safe mode but not normally? I also ran Apple Hardware Test and it said everything appeared to be ok.
The iMac is a 17" Intel Core Duo, 1.83 Ghz with 1GB of RAM.
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Feb 21, 2010
I have no problem using my wired keyboard to boot into Windows using boot camp. but when I use the Apple Bluetooth keyboard, holding down the option button when powering up does not work. Anyone else have this problem?
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May 22, 2010
Recently I was unfortunate enough to witness the spilling of gin and tonic on my precious macbook pro. Luckily, having had spillage issues before, I reduced the damage and now have merely a few keys not working (including both option keys) and some dodgey letters.
After turning off my mac it restarted automatically in boot camp mode and with both option keys broken I can't get back into OS :/ What's more, my boot camp has no sound and the internet doesn't work so it's pretty much turned into an iphone charger.
I was wondering if anybody knew what I could do to rescue my files and what I should do about the broken key situation?
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Jan 19, 2010
Long time lurker, first time I couldn't find a fix without asking so here it goes... I'll try not to leave anything out... Btw way the screen is broke but i use it with an lcd tv. Was working in final cut this morning when suddenly the app froze. No big deal I'll just force quit and restart... Hit enter on the force quit dialogue and the app disappears. Cool.BUT, its hanging in purgatory in the dock, thinking its still "active" or whatever with the little highlight, but clearly states that is "not responding" when right-clicked. Command-opt-esc doesnt show final cut in the applications list when pressed again... AND, Illustrator and photoshop are also now not responding, and begin acting the same way in the dock. Weird right? Ok whatever so I'll just shut down and fire her back up, I think. Apple menu/shutdown shows the yes/no dialogue to shutdown but when i hit okay it does not shutdown. the top apple menu bar disappears as does all files/folders/images on the desktop, but the desktop background remains. i figured it was just taking a sec longer than usual so i walked out of the room, but when i came back it was the same. after REALLY trying to NOT press the power button to shut it off, I finally broke down and did. Now the tv isnt getting the signal from the mac on restart. After much searching (probably here) I found that if I power up the mac and then immediately close the lid it forces the connected display into primary. Again, cool. BUT, I get the blinking question mark folder. I somehow managed to pull the above trick and hit the option key which brought me to what I thought would be an empty startup disk screen. Alas, Macintosh HD is right there. But, when I choose that drive, which is the only thing showing, it goes back to a blank grey screen and never boots. Any ideas? I can get all my data via target disk on my imac, and it appears the drive is functioning fine when i use disk utility when viewing as a firewire drive on the imac.
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Apr 4, 2012
I am having trouble trying to boot from my lion OS X install disk on a 2007 macbook. The disk ejects when I start up with the option key pressed.
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Sep 13, 2014
Drive isn't showing up when booting mac book. How to fix this?
Info:
MacBook Pro
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Jun 4, 2014
When I try turning the computer on, I get the option to choose the startup disk, but only Recovery is visible. When i check in Recovery, it still shows my original start up disk, but I cannot restart off that. What do I do?
Info:
MacBook Pro (13-inch Early 2011), OS X Mavericks (10.9.3)
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Feb 15, 2009
I use to be able to select the vista partition to restart into from the configuration pages in leopard on my macbook pro, but now my bootcamp partition is missing. I have to hold the option button to manually select the windows partition and then load into windows. Some setting somewhere must be lost. Does anyone know how to restore it?
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Dec 12, 2014
After clicking System Preference how do I get SCAN option to appear so documents can be scanned? Currently only the Print option is visible and having no problems with printing. Printer is a HP Laser Jet 300.
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Nov 25, 2010
I am planning to purchase a new Mac Pro with Mac Pro Raid Card. Just wondering how many Hard Disks it hold.
Also, is it worth spending 700 bucks on the Mac Pro Raid Card or is there a better choice I have?
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Feb 18, 2012
As soon as I unplug the mac from the wall - it dies. its not even 30 days old. I presume this is a defective battery? there are no lights on the side at all
Info:
Mac Pro, Mac OS X (10.7.3), MAC PRO NEEDS AN UPGRADE!! More PCI
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May 17, 2012
my macbook no longer holds a charge after having it plugged in all night.
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MacBook
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Jun 14, 2012
i have a macbook pro mid 2010 and i was wondering what the max storage was. i am hoping to put in 3 terrabites and was wondering if that would be compadable.
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MacBook Pro, Mac OS X (10.7.4)
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Jun 24, 2012
I just recently got a Macbook Pro 15" and is wondering how much ram it can hold. It's mid-summer, currently holding 2gb in its 2 memory slots totalling 4gb of ram. It's the $1799 version. I've been trying to find out in the internet but they're all from the older versions.
More Info=Processor 2.3 GHz Intel Core i7Memory 4 GB 1600 MHz DDR3Graphics Intel HD Graphics 4000 384 MBGraphics NVIDIA GeForce GT 650M 512 MBI just want to know how much it can hold so I can plan on upgrading later on.
Info:
MacBook Pro, Mac OS X (10.7.4)
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Jul 3, 2012
How many photo's can iMac with 4GB of space? Im really big into photography and need a lot of space!
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iMac, iOS 5.1.1
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Sep 3, 2010
My Macbook Pro won't hold a wireless signal. I don't have another wireless signal to test, but have tested other devises which connect fine.
'07 model MBP core duo running OS4.11 + original Airport (hey it still works). The MBP will only stay connected now if my base station within 10' or so. It might connect 30' away, but looses the signal after loading a few pages online. It seems like its getting worse -- maybe not, but seems like it is. I can connect just find with my other MBP, iPod (streaming audio across the house, etc) and PS3.
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Oct 14, 2010
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Nov 13, 2008
It shows that the charger is connected, but it stays at a 0% charge. I got it used. It's about 4 years old. The previous owner had no problem with this. The color on the charger is green. Is it supposed to be? What do i need to do to fix this?
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May 12, 2010
In the last two weeks, my Air will not hold after I Shut Down or Suspend, battery seems to work fine if I'm using it (drains normally). When I turn it on it's at 0%. Plugging it in will charge to 100% in ~30 minutes. Did SMC reset did not resolve problem. I don't believe there are any hardware issues.. Will a format fix this? All software is up-to-date.
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