Questions about booting, the process of starting a computer and putting it into a state of readiness for operation.

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1answer
2k views

No bootable device after failed Windows 7 installation via Bootcamp

While trying to install Windows 7 via Bootcamp on my MBP Retina today I really messed up. After getting into the drive selection in the Windows installation utility I deleted the other partitions (3 ...
1
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0answers
18 views

Problem after cloning a Mac with dual boot

I bought an SSD to upgrade my MacBookPro (late 2011) and have cloned the HDD with CloneZilla. I have dual boot with OS X Yosemite and Windows 7 Pro. However, now on the SSD, I can't boot into the ...
0
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2answers
38 views

How to make a bootable external hard drive and boot up a Mac?

I have an iMac 27 inch, and one summer the room temperature was up to 40C, and I came home that day, and the hard drive was really slow. I then rebooted the machine and it took something like 8 ...
0
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2answers
1k views

Create a bootable USB with Windows installer for Yosemite?

I'm having trouble creating a bootable USB for my mac. I have an iMac, and I'm wanting to install a copy of Windows Server 2008 x86 onto it. I've tried BootCamp, but I'm getting errors when selecting ...
1
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1answer
7k views

MacBook Pro won't boot with new hard drive, but a different MacBook Pro will

So here are the details. My friend and I both have 13-inch Mid 2010 MacBook Pro's. Same processor and specs since they were purchased at the same time, but originally had 250 GB hard drives. His hard ...
4
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1answer
3k views

Macbook Pro hangs when booting into Boot Camp Windows 7

I have a 2011 Macbook Pro 15" 10.7.4 with Windows 7 installed in Boot Camp. A few days ago, I tried to boot into Windows 7 and it just froze after I selected the Boot Camp volume on the Select Drive ...
6
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4answers
27k views

Boot into Mac from Windows after failed Bootcamp

Don't hate on me too much for this one... I put Win8 on my Mac Mini using Bootcamp, and all was well. I switched back and forth a couple times between the two with no problems. The problem started ...
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0answers
14 views

Very odd “won't boot” problem [closed]

I have a boot issue that defies all explanation or any of the standard approaches of resolution. I feel like I have tried everything and from what I can tell (with the exception of safe mode which ...
1
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2answers
14 views

Blinking folder icon - safeboot, recovery hd does not work

When I try to start my MBP early 2011 with Mavericks OS installed I get a blinking folder icon. SMC reset, PRAM reset did not resolve the issue. The MBP does not boot into the safe mode too. When I ...
2
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2answers
6k views

Can I use 16 GB RAM with my MacBook Pro 7,1?

I just picked up 16GB of RAM for my MacBook Pro, running the newest OS X. According to the NewEgg reviews, it should work in it. However, once I boot up, it shows the Apple logo and, after a few ...
1
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2answers
428 views

MacBook will read USB drives with no problem, but will not see the USB drive as boot drive

I am trying to install OS X Lion on a Macbook 4,1 which I've upgraded to 4 GB of RAM. It should support this OS, however I cannot get my Mac to see the USB drive as a bootable option. It's a SANDISK ...
10
votes
5answers
43k views

How do I make a bootable USB flash drive a Mac?

Does anyone have a Terminal command-line recipe for making a new bootable USB flash drive for one of the new MacBook Air's? Is there a way to dd copy the USB boot device that comes in the box and ...
3
votes
2answers
6k views

Boot camp install of Windows 7 issue, no bootable devices

So I have a 2010 15" macbook pro (MBP6,1) and I replaced the optical drive with a hard disk. I wanted to install windows 7 on the hard disk with boot camp with a USB and ISO image. After searching I ...
2
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2answers
3k views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
1
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5answers
42k views

MacBook Pro can't boot: shows Apple logo then grey screen

There is a MacBook Pro from 2012 with Mountain Lion that won't boot. The Apple logo is showing, the spinning wheel and then it just goes to a solid grey screen. I've tried to hold Cmd+R while ...
2
votes
1answer
21 views

White prohibitory sign on Startup

Have the white prohibitory sign when trying to boot up MBP Retin 13" late 2012 running Yosemite. Have tried resetting PRAM (cmd + alt + p + r) and disk utility has been to no avail so far. Have tried ...
-1
votes
2answers
35 views

Why can't I boot to Disk Utility (iMac A1418) - It displays a lock and a password field?

Someone showed me their iMac that they recently bought second-hand. It boots normally to the login screen with the PIN (EDIT: it is a PIN and NOT a passcode; the message reads "Enter your system lock ...
1
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2answers
20k views

Macbook Pro Crashing and Startup Failure

Firstly, some background information for the problem: My girlfriend's Macbook Pro had an issue that was annoying, but not fatal. Roughly once a day (but sometimes not for a few days, and sometimes ...
0
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0answers
84 views

Installing Windows 7 on a MacBook Air, Early 2015

The issue: I have an issue with an MacBook Air that I need to install Windows 7 on. The problem is that this MacBook model does not support Windows 7 in Boot Camp. So I thought that I should instead ...
0
votes
1answer
29 views

Hard drive boots over USB but not when install internally

I am trying to upgrade from a 500GB HD (http://www.newegg.com/Product/Product.aspx?Item=N82E16822136314) to a 1TB HD (http://www.newegg.com/Product/Product.aspx?Item=N82E16822152291). The only spec ...
1
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2answers
2k views

Upgraded to 10.9, but it broke my Windows 8.1 Boot Camp partition!

I just got Windows 8.1 set up via Boot Camp a couple days ago, and everything was working wonderfully. Today, I upgraded my Mac to OSX v10.9, as suggested by Apple. Nobody told me it would break my ...
0
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1answer
32 views

Reboot fails after failed disk erase when restoring from Time Machine

I have an Early 2013 Macbook Pro Retina 15" with 512GB of SSD storage. My update to Yosemite 10.5 failed for some reason and I was left with an unbootable system and severe file system errors that ...
2
votes
4answers
536 views

Installation of Yosemite is interrupted by a white screen at ⅓ of progress bar

The loading of the installation from a Yosemite USB installer drive is interrupted by a blank screen about ⅓ into the progress bar. The same USB drive works on another (older) MacBook Pro. The ...
0
votes
1answer
33 views

White Screen Hang Mac Pro

Reading related posts it seems I have a blend of other's issues. But the final blow was plugging in a nextbook tablet to download some pdf files, and THEN I booted the old Mac Pro 2008 with Yosemite ...
1
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3answers
927 views

How to install Windows 8 on an early 2006 MacBook?

I have recently obtained a MacBook 1,1 from my older sister and it happens to be quite old. I have attempted to revive it with boot camp but my windows installation is stored on a USB drive instead of ...
1
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1answer
21k views

a bad Shutdown resulting in a flashing folder with question mark

I was rebooting my MBP when i turned off abruptly, now when i turn on my Mac again i just see a Flasing folder icon with a question mark instead the Apple Logo. i have MacBook Pro 15" Late 2012 (Non ...
2
votes
1answer
3k views

Can't boot MacBook Pro 13" (mid 2010)

The problem occurred after installing the update SMC 1.6 on Apple - OS X Mountain Lion: First for a long time was a white screen and noisy cooler After the system battery icon was crossed out and ...
2
votes
1answer
1k views

Unusually long boot time in non-verbose mode - early 2008 MBP + SSD + Mavericks

Inside my early 2008 MBP (15", C2D 2.4, 4GB, GF8600M) I installed a used Samsung SSD (128GB), did a clean Mavericks install and at first startup, I restored the Applications, Desktop, Documents etc. ...
3
votes
3answers
10k views

Cannot access vital boot options on Mac Pro with OS X Lion

I have this used Mac Pro (mid-2010) that I recently bought, that came with OS X Lion installed. It was apparently installed from an image because there are a lot of installed apps and, though there is ...
2
votes
2answers
308 views

Bootcamp Windows 7 installation, USB is not recognized only on bootloader

I'll abstract my question. I'm using MacPro4,1 Early 2009. And I'm trying to install Windows 7 Professional x64 SP1. (I'm using Yosemite 10.10.4, and Boot Camp Assistant is 5.1.4) My Mac has 2 HDDs, ...
0
votes
1answer
2k views

How to run Apple Hardware Test with broken keyboard?

mid-2011 13" MBA running Yosemite Coffee spill has left keyboard of mid-2011 13" MBA non-functioning. Even power button doesn't work, I boot by shorting the two solder points on logic board. I've ...
0
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2answers
3k views

Mac Pro: Kernel panic during HDD boot and DVD boot

I have a 2007 Mac Pro (OS X Tiger 10.4.11) that cannot boot up anymore since a few days. I see the grey screen with the apple logo and the rotating circle. After a minute or so I get a kernel panic. ...
0
votes
2answers
178 views

Why would my iPhone 6 be stuck in a dead battery boot loop?

Okay, so I have a problem. My iPhone 6 died (it runs a non-jailbroken version of iOS, I used it as a test device for development applications, but I didn't do anything crazy with the firmware of the ...
0
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0answers
21 views

Late 2013 13" retina MBP freezes when using its own display (OS X 10.10.3)

I am having some serious problems with this machine. Its own display remains dark, but when attaching another display, I see it load the Apple logo on a black screen and then freeze on the white ...
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0answers
36 views

Transfer system boot to external SSD (iMac)

I'd like to use SuperDuper to copy an existing internal boot volume to an external SSD (to see if I get an appreciable performance boost). However, my internal drive is 1TB (most of which is in use) ...
2
votes
1answer
83 views

How to install Windows 8 on a MacBook Pro with OS X Yosemite, using Boot Camp, without a USB drive or DVD

The title covers most of my question. I am relatively new to the Mac world, and came across Boot Camp, which can dual-boot Windows, which seems pretty cool. I have read through many Boot Camp guides, ...
0
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0answers
16 views

RE:Boot hangs on grey screen

I followed the advice from this page Boot hangs on grey screen (even when booting from USB drive with fresh OS X install) It worked though as I could log in my system but the graphic is dull and slow ...
0
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0answers
26 views

iMAC MC508LL/A new hard drive, cannot install from disc

I was trying to repair a friends iMac with a failed hard disc. I bought a 500GB 850Evo SSD to replace the failed hard disc and installed it using the OWC kit. Now I am trying to get it started up. I ...
0
votes
1answer
4k views

I can't boot into Windows 7 on Boot Camp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Boot Camp partition and installed Windows 7 on it. It has been a brilliant "best ...
0
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2answers
2k views

Can't open my iPad mini

I shutdown my iPad and left it for a while. Now I want to start it again and I can't open it. I've used the sleep/awake button, also use that with the home button but I can't open it at all. It sits ...
0
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0answers
29 views

MacBook Pro Won't Boot. No Video. No Chime

I have a 2010ish MacBook Pro that was working fine this morning. I installed a new version of the Dropbox client and rebooted. It now won't boot up. No video, no chime. It does, however, hit the ...
0
votes
1answer
1k views

Serious Boot / Sleep Problems

Two days ays ago I closed the lid of my macbook pre for the night as I have done for the last 2.5 years but when I opened the lid in the morning the screen didn't show. It seemed to be 'alive' (ish) ...
1
vote
1answer
2k views

cannot boot. volume disappeared from boot option after Disk Utility (GUI) repair

I have a 13-inch MBP with the latest OS X version. Problem Yesterday, I went to the Recovery Mode and performed Repair on my boot volume. I was not having a problem, but I just wanted to verify and ...
0
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0answers
11 views

Early MacPro 2009 keeps needing SMC reset

My MacPro keeps needing to have its SMC reset to stop the video card putting my monitor to sleep when it switches from the logo screen to the desktop image during boot up. The problem seems to have ...
1
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2answers
2k views

MacBook Pro Mid 2009 does not boot without resetting system management control (SMC)

Today i started my macbook pro and after some seconds it stopped working (just turned). I was not able to start it again. After some apple support search I found a page that described how to reset the ...
0
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0answers
35 views

Startup very slow (10.6 / 10.9)

My dev workstation (MBP 2012, 2.5Ghz i5, 16Gb, 500Gb HDD) is incredibly slow booting up to the point I'm terrified of rebooting it. Every now and again it crashes or refuses to wake (maybe once every ...
1
vote
2answers
10k views

Macbookpro can't recognize bootable usb at boot time?

I have an old macbookpro: Model Name: MacBook Pro Model Identifier: MacBookPro6,2 Processor Name: Intel Core i5 Processor Speed: 2.53 GHz Boot ROM Version: MBP61.0057.B0F I created a ...
1
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3answers
4k views

MacBook Pro refuses to boot/recover, hangs at “white screen”

I am somewhat new to caring for Macs, but one has been left in my care and I have not been able to restore it to working order yet. Here are the symptoms: The MacBook Pro would hang with a "white ...
0
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1answer
2k views

Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
0
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0answers
27 views

MBP dramatically slowed over the weekend

I have my MBP (13" early-2011 i7) attached to an external screen (not in clamshell mode). I'm not sure what happened over the weekend but the MBP has been possessed somehow; first off it wouldn't wake ...