OS X :: MAC Unable To Install - Prohibition Sign At DVD Boot
Jun 8, 2010
Ok lately My Mac OS X has crashed on me and I am now stuck on my windows bootcamp partition.
My CD drive is broken so I bought a new external combo drive which works fine! When i go to boot the cd It loads up fine on the alt/option screen however when it goes to the loading the cd (the apple sign) it stays there for a couple of minutes (no loading wheel) and then turns into a prohibition sign!My mac drive before this was formatted as it was faulty however it is still of the MAC format! (HSF or something)
View 3 Replies
ADVERTISEMENT
Jan 25, 2010
I'm new to this OS, which is a iMBP 13" (2009 revision). I'm experiencing abnormal bootup. The bootup screen display a prohibition sign upon bootup after installing Security Update 2010-001 for Snow Leopard. There is no error message I can write down nor excessive fan noise coming out from the laptop.
View 3 Replies
View Related
Oct 25, 2009
iMac Info: 24" Intel Core 2 Duo, 2.66Ghz, 4GB Ram, running Snow Leopard, yadda yadda
The latest software update notice I received informed me the following new software was available:
* Performance Update (version 1.0)
* iMovie Update (version 8.0.5)
I told it to install the updates, after which the computer had to be restarted. Upon restart the computer seems to be restarting normally, ie: the bell tolls and the Apple symbol shows above the spinning icon. But after what seems like a very long time a "no symbol" aka "prohibition sign" takes the place of the Apple logo, and the spinning icon remains. Nothing else happens. To see the screen I'm referring to check this image:
http://donnypauling.com/images/prohibitionsign.jpg
Here's what I have done so far:
* I called expert case support and we tried a few things. The guy I talked to decided that I needed to use my snow leopard disk to use time machine to restore my system to the way it was before the software updates. He figured something must have been corrupted in the software update. I couldn't find my Snow Leopard disk so he emailed me instructions to follow when I finally found it.
* After finally finding the disk I followed his instructions and restored my system to an October 8th backup.
* Upon restart all was supposed to be well. That didn't happen. The same problem persists.
* Support is now closed, so here I am searching these discussion forums. One thread mentioned a similar problem and it was recommended that the person start in safe mode and repair disk permissions. Sure enough, my iMac starts in Safe Mode. I repaired disk permissions. Restarted the iMac. The same problem still exists.
View 4 Replies
View Related
Aug 23, 2014
I just received my new Mac pro at work and is trying to install Mountain Lion as the OS instead of Mavericks but it seems impossible. Every time I try to boot up on a bootable 10.8 installation drive I get the no entry sign. I even cloned my old MacPro and tried to boot from the external drive, I still get the no entry sign.
I tried booting from a thunderbolt, USB and even super drive, with no luck.
I need to install 10.8 because Mavericks doesn't work with Active Directory in my company, it just hangs the system every time, we've tried many different ways to fix this but it just seems to get worst.
Any way I can downgrade a 2013 Mac Pro to 10.8?
Info:
Mac Pro, OS X Mavericks (10.9.4), OS X Mountain Lion (10.8.5)
View 4 Replies
View Related
May 31, 2012
Computer: Macbook Pro 15" 2.66GHz i7 / 4GB DDR3
Model #: A1286 (Mid 2010)
OS: SL 10.6.8
Having some issues with MBP (slow performance, Oulook issues, etc.), attempting to resolve by repairing disk permissions and repairing disk. Disk Utility returns the following: Incorrect number of extended attributes(It should be 390460 instead of 390459) The volume Macintosh HD was found corrupt and needs to be repaired.Error: This disk needs to be repaired. ...then use Disk Utility to repair this disk. Disk Utility stopped verifying "Macintosh HD" This disk needs to be repaired. Start up your computer with another disk (such as your Mac OS X installation disc), and then use Disk Utility to repair this disk. So, I was unable to find my OE cd's. I purchased the SL Replacement Install DVD from apple and attempted to boot from it. Holding c or option during startup to attempt to boot from DVD were unfruitful. Computer hangs on Apple logo, allowed to sit for 20+ minutes with no progress. DVD spins up and can hear it, then stops. SuperDrive works fine when booted and can read DVD no problem. Reset PRAM during startup successfully, hold c or option and no luck - still hangs. What more can I do?
Info:
MacBook Pro, Mac OS X (10.6.8)
View 7 Replies
View Related
Nov 18, 2010
I have an aluminum macbook, from made around January 09. The issue is I need to repair the hdd using the osx install disc. The problem is that when I try to do so, boot using the disc, it just restarts to the hdd, it will not boot from the disc. I try holding c and I have tried setting the disc as the startup disc and it just goes in this never ending circle of restarting and restarting. I've never seen this before.
View 3 Replies
View Related
Nov 27, 2010
My late-2007 Macbook's hdd got screwed and I bought a new one.
Now I try to install Snow Leopard 10.6.0.0 but Macbook won't boot from the install disc.
It spins the disc a couple of seconds and then ejects it.
Key commands don't help. Startup manager won't show up if I keep pressing the option key during startup and same goes with pressing c for booting.
View 3 Replies
View Related
May 11, 2010
I am using a Late 2009 Mac Mini. This afternoon I did a software update, it was 4 programs that were updated. I didn't take a look at what was updated, which was a mistake, I know. But anyways, they installed fine, and the Mac rebooted, it got to just before the user select/login screen and hanged there. I was able to move the mouse around, but nothing else, and after a long period of time, I powered off my Mac, and now it is hanging at the Apple logo.
I tried booting into Safe Mode, and the grey progress bar would appear but and get half way through and then disappear. Next I tried inserting the Install DVD, hold down C while it was booting up but that wouldn't do anything.
View 6 Replies
View Related
May 1, 2010
I own every piece of software and hardware from Apple there is and I cannot understand that it seems that everything is about the iPad and iPhone right now. I have been having these issues since I got my 27" iMac. I can install Windows 7 just fine on my MacBook Pro and my previous 24" iMac.
Ever since I got the 27" iMac I get a black screen when installing Windows. I have found some posts that have a way around it, which seemed to have worked but now I am getting the blue screen of death. Doesn't matter if Windows 7 is supported by Apple or not but Boot Camp is and it should be corrected.
There is no excuse that after 6 months this issue has still to be addressed, all Apple talks about now is iPad and iPhone, I am sick of it.
BTW I own an iPad and I don't see the big fuss about it, I bought it mainly to read books and watch Netflix on the go.
View 3 Replies
View Related
Feb 7, 2009
so I have a very unique, bizarre problem. A friend brought her G4 1.67gHz 15" Powerbook to the office to have it looked at as it wasn't working properly. I took a look at it and found that one of the RAM chips was shorted out. I took it out and ordered her a new pair (since it was like $26 for 2gb, and with the one removed she was running on 512). Here's where it gets bizarre: I installed the new RAM and it was freezing regularly. I then took one out and it was still freezing regularly. I booted it from my Utilities partition (I have a bootable firewire drive set up to fix problems and recover data) and ran Disk Warrior, TechTool, and a whole heapin helpin of other fixin and optimization apps. I got it to fix all the reported errors, TechTool reports no hardware errors, everything should work perfectly. So now, the laptop boots to a blue screen. I can't boot it from a retail Tiger install disc, and I can't boot it from the hard drive, it just boots to the Apple logo, the Unix spinner, and then goes blue and freezes. So I set it as a firewire target drive and was able to do an archive/install of Tiger using my G5. It recognized and installed fine and it booted my G5. Ok, so it's not the drive. I restart and nothing, apple/unix logos then blue screen. Same with the Tiger DVD. I replace the original 512MB stick (the working one) and still same result. So finally I go back to my Firewire repairs disc and everything boots fine, all tests come out fine, drive is recognized and works fine, etc. What could cause a computer to boot, a drive to be bootable, but a computer not being able to boot on any installed drive?
View 2 Replies
View Related
Oct 11, 2009
My Macbook is starting to get really slow. I've tried Onyx and it told me that the startup volume had to be fixed. But I can't boot my install DVD by pressing "C" in the startup.
Is there another way to repair the disk?
View 8 Replies
View Related
Aug 14, 2009
I have a Power Mac G4 Quicksilver 933Mhz running OS X 10.4.11. Ever since I upgraded from Vs. OS X 10.4, I have had problems with my browsers. When I boot up I get an alert message with a red sign that shows for about two or three quick seconds. I am not able to read what it states. Can someone tell me how to bring up this alert message. I think it might have something to do with how my browser is not functioning properly. I can't load up some pages with my Safari or FireFox browsers; I get a blank screen, but the URL shows up with some additional information. I also have a 2009 Mac Pro that does not have this problem with loading up web site pages.
View 7 Replies
View Related
Feb 15, 2010
I have a black MacBook that I got about 2 years ago, running OS X 10.5. I had about 10 GB free space. It's been working fine until this unfortunate event. Let me explain.
I was recently working with my mac as usual (browsing the web, downloading torrents, reading an ebook, ect). I tried to load [URL] in firefox, when it froze. Nothing new, so I tried to open up force quit. Nothing I clicked on responded. It was frozen. I also heard some weird "tinking" noises from inside the machine that I had never heard before. So, I inferred I should force shut down. I held down the power button, and it turned off. I hit it again to turn it back on. I saw a grey screen and an apple and heard the"dinggggg" noise we've all come to love like usual. But, suddenly the apple changes to a circle with a line through it, which I've dubbed a stop sign. It just stays like this. I can turn it off, and try again and the same thing happens. I've tried it like 10 times. (I know, the definition of insanity is doing the same thing over and over but expecting different results.
This is getting my adrenaline pumping, and I can't figure out what to do. Should I reset the NVRAM and PRAM like Apple says? I'm at a loss. Right now I'm using my friend's computer (running Vista ugh) to type this.
View 9 Replies
View Related
Jul 2, 2012
my mobile me has closed.. can this be re activated or have i lost it all?
Info:MacBook
View 4 Replies
View Related
Jul 5, 2012
somebody tell me how to get mobile me to quit showing up on my computer.
View 1 Replies
View Related
Jun 25, 2014
I've been trying to partition my drives and install Windows on my late 2012 imac. I last adjusted my partitions using disk utility and now receive the prohibitory sign on start-up and cannot boot up in safe mode; pram reset; type commands in single user mode. Running on Mavericks OS.
View 1 Replies
View Related
Feb 25, 2012
i am not able to sign in my app store..when i click on sign in nothing happens
Info:
MacBook Pro, Mac OS X (10.6.8)
View 6 Replies
View Related
May 28, 2012
My password is not working on my MacBook and I can't sign in
View 1 Replies
View Related
Jun 5, 2014
I have a Macbook Air 13'' which I purchased a couple of months ago.
I am unable to sign in with my apple id via the system preferences to icloud.I am able to sign in with the same id on the www.icloud.com website but just not able to sign into icloud via the system preferences.Consequently I am unable to access the Appstore to download any app.Any solution to this issue would be highly appriciated.I get the error as "Unable to sign in because of a problem communicating with iCloud".
Info:
MacBook Air, OS X Mavericks (10.9.3)
View 6 Replies
View Related
Nov 11, 2010
i duno what to do now after i install the update combo 10.6.5 my pc restart and stop sign appeared now my imac is so useless
View 3 Replies
View Related
Oct 16, 2010
As of Monday 11th October 2010 Mac Messenger just stopped working on my iMac. I haven't added any new programs, messed with any setting or anything. My password is 100% correct and I am most definitely connected to the internet. All I get it the below pop up that states
"Sign in to Microsoft Messenger failed because the service is not responding. The service is not available or you may not be connected to the internet"
View 4 Replies
View Related
Apr 13, 2012
Am unable to sign in with passwords and place orders online
Info:
iMac, Mac OS X (10.6.8)
View 1 Replies
View Related
Jun 5, 2014
I have a Macbook Air 13'' running OS X 10.9.3.
When i try to sign into icloud via system preferences i get the msg "Unable to sign in because of a problem communicating with icloud".
I am unable to access app store too.
Info:
MacBook Air, OS X Mavericks (10.9.3)
View 1 Replies
View Related
Feb 18, 2010
I have been trying to install Windows 7 (yes, legit copy) to my Macbook Pro the whole day, but I keep on getting this error message saying "Press any key to boot from cd or dvd . . . ."
When I press any key on the keyboard, nothing happens. I know this copy works because I've tried this on VMWare 3. (I'm going to Boot Camp of BIOSHOCK!)
What I've Tried:
Deleted partition, recreate partition and choose the Windows 7 disk as startup disk.
View 15 Replies
View Related
Feb 19, 2010
Well I installed Vista Ultimate using boot camp on my 27 inch iMac using 10.6.2 and now I can't get it to boot in OSX. I tried holding the command key when rebooting but it just goes into the windows part. Looks like windows took over. Does anybody know how I can get it to boot in Leopard?
View 3 Replies
View Related
Mar 9, 2008
Yesterday my screen (30" Apple Cinema) started showing symptoms of graphics card failure, jagged lines across the screen. I rebooted my Mac Pro and it was gone. Then it happened again an hour later, this time the machine didn't boot, I get the Apple logo, and then it hangs up and the screen is shifted to left (I get apple logo on left side of the monitor instead of the middle) and jagged lines all over.
So the first thing I tested was using Target Disk Mode, it works. I can access my Mac Pro's internal HD's by TDM from my MacBook Pro. Then I tested single user mode, it does boot, I can't read what's written since the screen is shifted to left, but if I type (without seeing) reboot and hit enter, it reboots. So I assume the single user mode is working.
What else can I try to 100% make sure it's my graphics card that failed and everything else is ok with Mac Pro? I already ordered a graphics card replacement but I wouldn't like to be surprised if the Mac Pro still doesn't boot when the card arrives. It won't boot from Apple Startup DVD either. Same thing happens, gray logo then kernel panic with jagged lines all across the shifted screen.
View 21 Replies
View Related
Apr 28, 2010
I got tiger install discs for my emac but I cant get it to run the install. I tried putting the disc in and clicking the restart button on the screen that says "Welcome to Mac OS X 10.4 Tiger", but when I click it it just restarts my computer and does nothing. I then tried the alternate install it did the same thing it did nothing but restarted my eMac. I then tried restarting my computer while holding c key nothing once again. Then I tried holding down apple, option, f , and o keys and then typed in cd boot and also tried cdrom boot nether of them worked so i restarted and tried dvd boot/dvdrom boot nothing worked on all the occasion i got a grey screen with a circle with a line through it. What do I need to do to get these install discs to work?
View 9 Replies
View Related
Aug 3, 2006
So I installed osx 10.4 server on a Power Mac G4 (white/blue)
Went throught the setup screens and did a complete reformat / install.
Just boots to the loader screen. (Where the mac face shows, followed by a question mark) and just cycles over and over.
I can put the DVD in at this point and restart the install.. I did go in and check the disk permissions and disk status and both passed.
View 2 Replies
View Related
May 20, 2012
I'm using MacBook Pro 13" Late 2011 with 256gb SSD & OSX Lionafter I install boot camp + Windows 7 Professional when i restart to boot OSX it have blinking folder with question mark I've try using Option button to select drive but it have only internet recovery
Info:
MacBook
Pro, Mac OS X (10.7.4)
View 13 Replies
View Related
Oct 13, 2008
When I started my Macbook up, after the gray screen with the apple sign, a stop sign appeared on the screen and I couldnt use my laptop as normal. Does anyone know what the problem is and how to fix it?
View 3 Replies
View Related
