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Mac Os X Error Loading Operating System

Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. 3. However, nothing was happening. I did that and OS X is not there? Shop Mac Mac Accessories Mac Software Gift Cards Shop iPod iPod Accessories Gift Cards Shop iPhone iPhone Accessories Gift Cards Shop iPad iPad Accessories Gift Cards Copyright © 2010 Apple Inc. Source

It was a catastrophe to lose both; I have regained one; why not the other. thank you for such a fast response guys! Mouse over to OS X, click it, and smile. password topsecret # password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/ # password topsecret # # examples # # title Windows 95/98/NT/2000 # root (hd0,0) # makeactive # chainloader +1 # # title Linux # root

Your best bet is a reinstall as far as i can tell.Click to expand... When the prompt comes up type: fsck -f and hit the Return / Enter key.When the diagnostics say the computer seems to be ok or other error displays? The time now is 10:16 AM.

BUT THIS TIME, NO MESSAGE APPEARED AS BEFORE: "ERROR LOADING OPERATING SYSTEM." I WAITED A LONG TIME. also you are awesome! Thanks.iteachmac : Hi , just trying to read your replies .iteachmac : CAPS on its difficult .iteachmac : Im personally in the UK , so there may be a time difference Select the HD itself and then click on Partition.

Numbering starts from 0, and # the entry number 0 is the default if the command is not used. # # You can specify 'saved' instead of a number. If OS X isn't there (all you see is Windows Boot Camp), you may have screwed something up when partitioning. Multi-boot: Arch linux, Ubuntu 12.04, Windows 7 & Windows 8 Adv Reply February 4th, 2010 #7 Arachan View Profile View Forum Posts Private Message Just Give Me the Beans! https://macosx.com/threads/getting-error-loading-operating-system.303482/ Penguin, I checked the Driver Cache\i386 directory.

share Share on Twitter Share on Facebook Email Link Like + Quote Reply uberamd, Jun 2, 2009 uberamd macrumors 68030 Joined: May 26, 2009 Location: Minnesota #7 Cuyler1 said: ↑ when Were you formatting /dev/sda1? Type "find /boot/grub/stage1". I decided I wanted to replace my Bootcamp hard drive with an SSD.

Category:Mac Share this conversation Expert: iteachmac replied4 years ago. Just take full control! iteachmac is online now My Mac Book Pro will not boot Up ("Error Loading Operating Customer Question My Mac Book Pro will not boot Up ("Error Loading Operating System") -- either Since the device drivers are abstracted from hardware, the startup process does not fail due to driver mismatches.

Release all the keys and the power button at the same time. 5. Please have your Order Number available. Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Specialised Support Apple Hardware Users [ubuntu] "Error Loading Operating System": 9.10 there is a disc under that that says HL-DT-ST DVDRW.

But doing so wiped my mac partition, and the disk I was loaned wouldn't do the install so I went down to the mac store to buy brand new copy of alternative=true ## alternative=false # alternative=true ## should update-grub lock alternative automagic boot options ## e.g. I couldn't find my boot cd for some time so she sat. have a peek here doh123, Dec 27, 2006 #14 defender1844 Messages: 7 TheAngryPenguin said: Did you try this?Click to expand...

I have even "stuck" it on a separate partition when forced to clean install the main partition. defoptions=vga=791 resume=/dev/hda5 # defoptions=quiet splash ## should update-grub lock old automagic boot options ## e.g. Follow those commands EXACTLY- do not remove or add anything to the commands.

Why was this necessary?

You may still browse the old posts here but much of the information is now out of date. I did not think it would prevent the "Error loading operating system" thing, and it didn't. lockold=false ## lockold=true # lockold=false ## Xen hypervisor options to use with the default Xen boot option # xenhopt= ## Xen Linux kernel options to use with the default Xen boot I have the same exact setup on my Macbook Pro and it works great, but i cant get past this error on my Mac Pro.

I'll post with the results. For details and our forum data attribution, retention and privacy policy, see here FAQ Forum Quick Links Unanswered Posts New Posts View Forum Leaders FAQ Contact an Admin Forum Community Forum What can I do now? Do not select the partition listed under the HD.

How JustAnswer Works: Ask an Expert Experts are full of valuable knowledge and are ready to help with any question. Now I get the "Error Loading Operating System" message and can't boot into Windows. share Share on Twitter Share on Facebook Email Link Like + Quote Reply Peace, Jun 2, 2009 Peace macrumors P6 Joined: Apr 1, 2005 Location: Space--The ONLY Frontier #9 It's at For the ones who are looking for tips on how to perform computer crash recovery in Windows 10, we share the information that can be useful in this article. ...

But ... MirrorGo Play Android Games on Computer with Big Screen and Mouse&Keyboard Combination. The hard drive is not properly setup in CMOS. 3. SORRY, BUT I'M HANDICAPPED AND SLOWiteachmac : HI iteachmac : No problem understood .

I did not think much of it cause I could now download the update. Power down . In this case, the default entry # is the entry saved with the command 'savedefault'. # WARNING: If you are using dmraid do not use 'savedefault' or your # array will User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License.

then PRAM , and SMC resets are the only way to try to fix .iteachmac : If you cant boot to DVD , or USB install , see Mac store ,