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

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2
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1answer
43 views

MacBook Pro - not booting - going around in loops?

After a harrowing couple of days, I found this site and am hoping someone can help. I have a 2011 MacBook Pro which has recently started having problems booting. During a game session (SIMMS), it ...
0
votes
1answer
37 views

Don't want my hard drive to die again!

A couple of months ago, my Mac Book Pro wouldn't start up - it would make it halfway through and then power down. I took it to the repair store, and they said the hard drive was broken, and they ...
0
votes
0answers
58 views

Boot Camp Assistant - Windows dosen't show up on boot!

I followed all steps to get Windows 7 on my Mac with Boot Camp Assistant and everything was working out until I was finished creating a BOOTCAMP partition and when my Mac restarted it said "No ...
0
votes
0answers
25 views

Imac 27" EMC 2546 boot issue (stalls boot at ~30%)

I've seen somewhat similar other such issues on many posts, but nothing that gives me a workable solution to my boot issue, so here is what's happening: Imac 27" late 2012 EMC 2546, with the recalled ...
0
votes
1answer
103 views

Mac Pro custom graphic black screen during boot

My 1st gen MacPro with a custom graphic card (ATI Radeon) does not show any boot prompt. Actually it doesn't show anything until Aqua comes up. I need boot prompts and pre GUI screens for multiple ...
0
votes
1answer
34 views

How do I instal OS X when boot combos don't work?

I'm trying to instal OS X on a 2013 Macbook Air. I erased the OS X partition, the computer is booting to my windows 7 bootcamp partition by default. All boot key combinations(C, Option, CMD+Option+R, ...
0
votes
0answers
19 views

Create bootable windows on external HDD

Hello I'm trying to create bootable windows on this external HDD http://www.amazon.com/dp/B0046A8MSM/ref=twister_B004DTS99S?_encoding=UTF8&psc=1 but without success. I'm following this tutorial ...
0
votes
1answer
86 views

What is it that prevents using a 3rd party SSD in a 2015 rMBP?

I bought an Early 2015 MacBook Pro Retina model with the 128GB SSD and have been wondering what to do if I need more disk space.. then I found out that it's currently not quite possible to just stick ...
0
votes
0answers
56 views

Issue with OS X Startup Disk in System Preferences when using EFI dual boot

I have Windows booting EFI on my Mac mini (Late 2012). It has two physical drives with one EFI partition (on the OS X disk). If I option boot I see OS X and EFI (Windows) choices and everything works ...
0
votes
2answers
87 views

My Macbook Pro (2011) won't boot into single user mode

I saw Possible reasons (other than Open Firmware Password Protection) for not being able to boot into single user mode?, but it didn't help any, since I'm using the laptop's keyboard. Yes, my Mac can ...
1
vote
1answer
75 views

MacBook Pro Boots only with a pressed key

I'm having a bizarre issue with my early 2011 Macbook 15'. I grabbed it today without battery power só the first thing I diz was to plug the MagSafe adapter. Afterwards I pressed the power button. It ...
0
votes
2answers
74 views

2007 Macbook Pro will not boot to HDD

I have a 2007 MacBook Pro running Yosemite from an off the net upgrade from Snow Leopard and the graphics went crazy while trying to watch a TV program on my Slingbox app. I forced a shut down by ...
0
votes
1answer
12 views

DVD stuck in 2006 iMac, won't boot

So I put a DVD in and it wouldn't come out. I wanted to try the "hold left mouse during start up" method of getting it out and now it won't boot and I can still not get the DVD out. It is my GF's old ...
0
votes
2answers
79 views

Installing Microsoft Windows VM on OS X

I'm kinda new to the Mac OS, in fact I got this current Mac this week so I'm pretty noob with it. I need to run a VM with windows 11 and 10 for testing purposes. So I downloaded and the virtual ...
0
votes
1answer
39 views

MacBook air is messed up, can't erase the hard drive from recovery

Something happened when installing El Capitan and now I have only one partition in my hard drive with only 30 gigs of space when it's supposed to be 128. I can't seem to erase anything. Any advice?
0
votes
0answers
43 views

Macbook pro keep on rebooting after Windows 7 installation while booting

I recently purchased Macbook pro 13inch early 2012 edition and wanted to dual boot windows 7 and Mac OS. After Googling, followed the below links and was able to successfully install WIn7 ...
1
vote
0answers
41 views

I can't boot my iMac to Mac OS X

I have Windows (Boot Camp) installed. So I ran out of storage and thought about partitioning my Mac's part of drive. I partitioned my Mac's drive and set Windows to boot by default. Once I lost ...
0
votes
0answers
62 views

Mavericks Login Screen Gone, Black screen with white dash upper left corner

Two weeks ago I was cleaning my system from old and unused drivers and leftovers and it looks like that I deleted something that was crucial. Using UninstallPKG I removed unused Printer drivers, Old ...
0
votes
0answers
49 views

EFI Boot icon on startup menu

I completely removed Boot Camp partition from my MBP (by DiskUtil). Everything is OK, but now when I start the system with the boot menu I see the "EFI Boot" icon instead "Windows" drive. What does it ...
0
votes
1answer
85 views

Entering in recovery system trouble

When I'm trying to enter in recovery system through pressing cmd+R I'm getting OS X Internet Recovery instead of Utilites window. How to avoid it?
0
votes
1answer
159 views

Windows 10 will not boot anymore

Urgent! I have an existing Windows 10 installation via Bootcamp which has been on my Mac for months without issue. However for ages I have been wanting to read my Mac partition from Windows which it ...
0
votes
0answers
89 views

Cannot either mount or repair greyed out partition

As a likely symptom, I started boot camp earlier in today to install a dual boot Windows on my machine and the install/remove Windows option was greyed out and I could not select it. After that, I ...
0
votes
0answers
36 views

MacBook Pro stuck on login

I know that this question has been answered before, but none of them seemed to help me. My situation is as follows: I was running MatLab and had too many figures open (like 40, and Matlab always lags ...
0
votes
1answer
71 views

Boot Into Recovery Partition After Installing Linux.

I want to install Linux on my mid 2014 Macbook Pro for educational purposes. However, I don't want this to be permanent. I've tried to partition the hard drive and install both OSs but I have not ...
0
votes
1answer
95 views

Macbook Pro late 2011 version won´t boot up

Hi guys I have been searching the forum and haven´t seen a solution to my problem therefore i will start by explaining what happened. Last night all of a sudden my mac froze, the mouse would move but ...
0
votes
0answers
283 views

Anyone knows how to fix Module wl Not found? t

Does anyone know how to go around fixing: Fatal: module wl not found I get this when I insert into terminal: modprobe wl on Kali linux 2.0 that I dual booted to my Macbook air El capitan. ...
0
votes
0answers
13 views

Under what circumstances would the startup chime enable itself?

After doing some reformatting/reinstalling a couple a weeks ago, the startup chime on my Macbook has never gone off when I turn it on for the past few weeks. However, when I tuned on my Macbook Pro ...
0
votes
1answer
28 views

Splitting Partition On External Drive

I have a 1TB external drive with three partitions: FAT32 for extra storage (~500GB) Ubuntu (~499GB) Linux swap space (~1GB) I want to boot to rEFind and then to Ubuntu from any Mac; preferably ...
0
votes
0answers
145 views

Grub Rescue on Mac

I have a problem: yesterday I installed Kali Linux 2.0 on my Macbook air (runs El Capitan). However, after managing to run it, and exiting it, i couldn't find Kali on my laptop anymore. I forgot to ...
1
vote
1answer
60 views

MacBook Pro (late 2013) w/ Yosemite & FileVault won't boot: LCD light only, no other activity

After lid-sleeping my machine with ~10% battery left, a few hours later, attached to AC power, it would not wake from lid-open, keypress, or short power-button-press. After doing a ...
3
votes
1answer
2k views

MBPr with El Capitan freezes at or right after login

Here's the problem: my colleague has a MacBook Pro Retina with El Capitan installed and he's been having issues with regular freezes lately. Everything has worked fine under Mavericks for well over a ...
0
votes
0answers
38 views

Yosemite on rMBP 15" refuses to boot, fans running high

Everything was great. I hung out in OSX, did some work, then rebooted into Windows (Bootcamp) to play a game. After rebooting back to OSX, i notice that the system is stuck on boot. The apple logo ...
1
vote
2answers
290 views

Macbook gets stuck on Grey Screen, won't boot normally

I've tried many steps so I'll list them here, I can do a reinstall but I prefer to figure out the actual cause of the problem and I don't think a reinstall will solve it. Macbook 2007, OSX version ...
0
votes
1answer
102 views

MacBook Pro 2011 keeps booting the OS X Utilities and won't accept our Apple ID

Before the issue became my headache, one of our relatives created a partition on my MBP to keep their files. Yesterday they deleted their partition and there might be important files that was delete ...
0
votes
1answer
123 views

How to edit Yosemite Bootloader, startup manager?

I have been searching and trying to correct my mid 2011 MacBook Air screen when you startup by holding the option key. My Bootcamp no longer shows but the created USB Windows 10 install stick does ...
0
votes
0answers
125 views

Winclone 5 partition is not bootable

I have been trying to transfer my windows copy from my old drive to my newer drive. I used WinClone5 to do this, but when I booted it up, it just said this: ðR(a smiley face)NTFS And a blinking ...
0
votes
0answers
215 views

Snow Leopard meets El Capitan: disaster?

My Machine: MacPro4,1, Quad-Core Intel Xeon 3,32 GHz, 32 GB RAM, NVIDIA GeForce GTX 680 video PCI, Sonnet USB3 PCI card I've been trying to install Snow Leopard in one of my empty internal drives ...
0
votes
1answer
341 views

Macbook pro stuck on boot - “AppleUSBHostPort::interruptOccurred: overcurrent detected”

I am trying to reinstall OSX on a MacBook Pro Mid-2009 but it hangs on startup. I have used several disks but now when running in verbose mode see that it hangs at ...
5
votes
4answers
6k views

How can I get my 3rd party SSD to boot El Capitan?

I have a Mid 2012 13 inch MacBook Pro that's been running successfully with a hybrid drive (3rd party) for the last few years. Recently, the operating system crashed and the hard drive is no longer ...
2
votes
1answer
144 views

2011 MacBook Pro won't turn on

Although the problem is quite common, after googling for several hours I didn't find an appropriate solution for my particular case. I got a 2011 MacBook pro with the latest OS (El Capitan) and it ...
0
votes
1answer
54 views

Mac book Air Does not start without charger connected

When I close the lid of my macbook then it does not boot on opening the lid again. The battery is 100% charged, It boots only when I connect the charger and takes 3-4 minutes charge before it starts ...
0
votes
2answers
3k views

OSX El Capitan - cannot make bootable usb stick with boot camp

I meticulously followed this tutorial, and this worked for me in 2014. I have a 4GB usb stick plugged into the computer. It should be enough for windows 7, a partition which no longer boots and I am ...
13
votes
5answers
3k views

Installing 20+ operating systems on Mac without any virtualization

For a scientific project I need to install these operating systems on my Mac Pro. The catch is... It has to run on a native hardware, no level 1 or 2 virtualization is allowed. Here is the list of ...
1
vote
1answer
787 views

Create bootable USB disk with Bootcamp 6

I have OS X El Capitan with Bootcamp 6 in an Early 2015 Retina Macbook Pro. I want to create a bootable USB disk with Windows 10 to install it and then completely remove OS X. I have read different ...
2
votes
2answers
167 views

Cloning Macbook Pro HD to external HD and still using it

I am still on Mavericks and want to upgrade OS X, but since I use a lot of audio apps, plugins etc that would break - I am looking for a way to clone my entire Macbook Pro 1TB SSD as it is right now ...
3
votes
5answers
13k views

How to properly install Kali Linux on MacBook Air (dual-boot with El Capitan)

I updated to El Capitan yesterday (on MacBook Air 2014). I then decided to install Kali Linux 2.0, and boy it's been one problem after another, so far nothing has gone the way it's supposed to. ...
1
vote
1answer
257 views

Boot from usb take forever

Recently I made the stupid mistake of erasing MacBook Pro (2012) HDD without immediately installing OS X. And now it can't even boot or get to recovery utilities. So I decided to make a bootable OS X ...
0
votes
0answers
33 views

Disable boot volume

I would like to know how to stop a volume from being bootable. I've recently installed an SSD into an iMac by replacing the DVD drive with an SSD. The original hard drive is still in the iMac and is ...
0
votes
2answers
199 views

Is it possible to run Android on iOS?

Ok so I was thinking, Can you run Android on a iOS device? I did some research and Android could run on ARM (Most apps would not work) but how come no one has tried to run it. Whats holding them back? ...
0
votes
2answers
411 views

Boot from USB in macbook pro mid 2012

I have removed everything from my macbook pro. Now, how can choose USB as a startup disk? I tried using option "SHIFT" keys also cmd+R. Nothing is working. How can I solve it? I am using Mid 2012 ...