MBP will not boot-up from Leopard disc/externel drive without getting a K.P

I have been getting Kernel Panics since updating the system, while I was using Tiger OS X, I have Installed Leopard OS X now thinking it would get rid of the problem but hasn't. Now I cannot boot into the system at all, even using the Leopard DVD/Externel Hardrive. I did take it into an Apple store today and they changed the RAM to see if that was the problem but had no luck, I was told it is proberly to main motherboard and would cost alot to replace. Has anybody got any other suggestions I could do or try? I am losing hope for this MBP.
All of a sudden it booted up with the retail Leopard disc inside and I started to install it but it came up with an error message half way thourgh installation. Message said Installation could not be completed please check your media and try again.

I'd suspect errors/bad sectors on the hard drive, insert the Leopard DVD and Boot it up while holding down the 'shift' key (to enter Safe mode) - this can find and fix a lot of errors.

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IMac 27 inch i7 OSX Lion will not boot up from Hard Disc

iMac 27 inch i7 OSX Lion will not boot up from Hard Disc on cold start, and cannot find wifi hardware in the machine. Restart and everything is fine. I have two machine and they behave the same. Software or hardware problem?

First of all, try a hard restart; making sure no disks are in the slot, unplug everything from your computer (keyboards, mice, etc.) and then unplug the computer itself. Leave it unplugged for a minute or two, then plug it back in and boot it up.
If that fails, reboot it while holding down the option-key on your keyboard. The screen should show a choice of which disk drive to boot from. Choose your usual drive.
If that fails, reboot it while holding down the shift-key on your keyboard. It should take a while for it to boot up, as it is destroying all connections to sources that may contain a virus.
If that fails, reboot it while holding down keys "option-command-P-R" until you hear the startup tone a second time.
If that fails, reboot it while holding down the C-key. Make sure you have inserted the installation disk before doing this step.
If that fails, reboot it while holding down the command-key and the R-key.
If that fails, please reply to this and let me know.

TS1367 my laptop will not boot up from the storage hard drive but if i remove it from the laptop and connect it as portable hard drive my laptop boot up normal?

my laptop will not boot up from the storage hard drive but if i remove it from the laptop and connect it as portable hard drive my laptop boot up normal?

Do you have a compatible OSX installed on this 'storage' HDD? If not, it will not boot your MBP.
Ciao.

2013 new Mac Pro will not boot up from and external hard drive

New 2013 MAC PRO running Yosemite will not not see a bootable external hard drive when starting up using option key? Same External hard drive will boot up on 2013 Mac Book Pro running Yosemite.

Reading between tea leaves sometimes leaves some things to imagination.
You used SuperDuper latest version that was recently upgraded for Yosemite on a laptop running 10.10 (or even 10.9.3+) that is in a X-brand USB3 drive enclosure, not bus powered btw, moved it to the nMP and plugged it into a direct port, not going through a hub (monitors have hubs of course and there is only one real bus+controller on the nMP that ALL USB3 travels through.
Thunderbolt and self-powered would be nice but they cost a bit more.
I have read where Carbon Copy Cloner (now v 4.x) worked where others failed. I use to use both but have used CCC since its inception and use back in 10.2.2 forward along with SD! for a few years based on comments here.
Drivers missing? someone compared system extensions and found the ones needed for say the nMP are not there? how about running a 10.10.1 combo update and see if that changes - we USE to be able to apply updates to a system that we were not booted from, very handy (could update a sparse disk image of a system that way, one created with CCC).
WD Passports seem popular with laptop users, but they come here to this forum complaining that it doesn't work, disappears off the bus (spins down goes to sleep, acts like a green drive acts).

My iMac will not boot through Snow Leopard but will boot through Windows OS

My 2010 iMac will not boot in Snow Leopard, only Windows. Have tried reinstalling Snow leopard a few times and works only for a couple of minutes before freezing and doesnt reboot. Windows works perfect. Snow leopard just doesnt want to boot up past the Apple Logo. It was working fine one day and the next day it froze up and was able to reboot back into Snow Leopard but kept freezing. Now it doesnt load at all into Mac OS.
Brian

Possible scenarios:
1: The 10.6.3 SL retail disk is bad, it happens.
2: Your not using the 10.6.3 SL retail disk but one from another machine which doesn't have the drivers for that machine.
3: Your optical drive is funky or some other hardware issues.
4: Your trying to install 10.6 onto a PowerPC based Mac, no can do.
5: Your not using a wired keyboard for boot key commands, have some other hardware conflicts.
Possible solutions.
1: Copy the SL 10.6.3 disk using Disk Utility to another DVD, the error checking may resolve the original disk's issue.
http://www.brokenhomeboy.co.uk/pierow/blog/2011/10/make-a-bootable-backup-snow-l eopard-install-disc/
2: Make a SL bootable USB
http://www.maciverse.com/install-os-x-snow-leopard-from-usb-flash-drive.html
3: Call Apple for a new 10.6.3 disk (and make copies for backup before Apple discontinues selling it)
If your upgrading to 10.6 to get to 10.6.8 to upgrade to 10.7, be warned of this:
1: Your 10.5 software will not work in 10.7, no more Rosetta or PPC based code.
2: Your hardware will not qualify if it's a 32 bit Intel Core Duo, also you may experience slowdowns in performance over 10.6 (10.6 is the fastest OS X version for Intel Macs) in older Intel hardware (I suggest Early 2011 Mac's and later only for Lion)
3: Mountain Lion 10.8 is reportingly coming out this summer and will not run on a lot of older Intel based Mac's because of heftier graphics requirements.
4: 10.6 has the widest range of current avaialble software and drivers for third party hardware.
My advice, stick with 10.6.8 and stay there, buy a new Mountain Lion machine after this summer. Skip Lion completely.

I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard.

Good Morning,
I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard. I shut it off took out the battery, reinstalled the battery. Then I put in the Snow Leopard CD and booted up to disk utility and The Snow Leopard partion would not show up?? I do see the microsoft partion.
I also rebooted holding down the shift key and still no Snow Leopard
Could you please tell me what I can do, what keys do I press on restart any advice to get Snow leopard back.
thank you.

Have you restarted holding down the Opt key? That procedure should give you a gray screen with all of the partitions that exist. Then select the SL partition for boot. Also go to System Preferences and Startup Disk, unlock the lock and select the SL partition as the default boot partition, then relock.

Will not boot up from DVD drive

HP pavilion slimline s3200n will recognize the DVD drive but it will not boot up from the drive

Hi,
Try hitting the escape button from boot up. It normally gives you the boot options where you can select the DVD drive.
If you can't get into the boot options, try getting into the bios with F10 and change boot order options.
Greetings
Philippe
Clicking the "Kudos star" to the left is a great way to say thanks!
When your problem has been solved, accept the solution by clicking the "Accept as Solution" button to help other members in the future!

My computer will not boot up from disc

Help i am having issues booting up my laptop, it won't even boot up from a disc what do I need to do??

Hi,
It might be worth resetting the bios defaults as follows.
Shut down the notebook. Tap away at the esc key as soon as you start the notebook to enter the Start-up Menu, then select f10 to enter the Bios Menu. Press f5 to load the defaults ( this is sometimes f9, but the menu at the bottom will show the correct key ), use the arrow keys to select 'Yes' and hit enter. Press f10 to save the setting and again use the arrow keys to select 'Yes' and hit enter.
If the above fails to help, open the Bios Menu again and look under the Advanced or Diagnostic tab - should find the facility to run tests on both the Hard Drive and Memory. Post back with the details of any error messages.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
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Microsoft MVP - Windows Experience

After installing 10.6.8 will not boot even from 10.6 disk HELP

Will only start in safe mode, Safari crashes so no help there to get back to 10.6.7 and will not boot from my 10.6 SL disk. HELP! Can't find the orignal disks so I am in a bad way...

Call AppleCare and request replacement discs. You can also Zap the PRAM and Reset the SMC and see if those will fix things up. You updated to 10.6.8 w/o having a bootable backup/clone or Time Machine backup? Bad move, that.

V3-5727105 will not boot up from HDD or from Recovery CD.

4 weeks ago when I switched on my laptop I got a blue screen message during start-up saying a problem had been encountered and it needed to restart to try to fix the problem, then just a dark grey screen and nothing.Laptop is only 7 months old. Contacted Tech Support and they stated I needed Recovery CDs and provided me with a set after I paid £60.Tried to boot from Recovery CD and got Acer Recovery Management to load, but after selecting restore to factory settings the laptop entered into a never ending cycle of 'analysing HDD' , attempting to fix HDD'.Left the laptop running for 12 hours and that was the only two messages I saw on the screen.No option to 'exit as problem encountered' so I had to power down my laptop to escape the 'loop'.Tech Support now wants me to try to format my HDD by taking my laptop to a local PC repair shop.Why am I being asked to do all the diagnosis work on a 7 month old PC? Surely it should be fixed under the manufacturers warranty?Could someone please explain what trying to format my HDD will show?Thanks

Update ..... My laptop would not boot up from the recovery disc as it turned out the hard drive required to be re-formatted to clear the fault. I was told by the PC Repair company that no matter what I tried I would not have been able to fix/clear the fault. Given it appears to have been a software corruption issue, after reading the Acer Warranty I have found out that I have to pay for the repair as the machine hardware remains in g.w.o. and the laptop is back in full working order once again. The PC Repair man did say however that if I had phoned him first instead of Acer Technical Support, I would not have needed to pay Acer for the set of Recovery discs as he would have provided a fresh installation of Win 8.1. at a fraction of the price! Lesson learned.

Late 2011 17" MBP - Will not boot, eject, or read disk

Hi guys,
My late 2011 17" MBP after having a server error on Mac Recovery, freezing, and being force shut off, now will not boot.
When you power it up, it chimes then goes to a blue screen, indefinitely.
It also will not eject the DVD in it's drive.
I've tried every key combination prior to startup or during startup to try and remedy this, and nothing.
It always boots with a chime then blue screen.
Please help. :3

Ejecting the disk:
Try these various remedies: http://guides.macrumors.com/Force_Eject_a_Stuck_CD_or_DVD
Since your Mac came with Lion installed it may have a recovery partition on the boot disk.
There are two ways boot from the Recovery Partition:
- Hold down the Command-R as you boot.
          This will attempt to boot from the Recovery Partition
          and if that fails it will try to boot using Network Recovery (a slow process).
- If it won’t boot using Command-R then hold down the Option key as you boot.
          Select the Recovery Partition.
Backup: Do you have a recent backup? If not I suggest you create one before proceeding. You might not need it but it is especially important to have a backup whenever your Mac is sick. Post back for instructions for an emergency backup, if needed.
Blue Screen:
From the Recovery Partition you should be able to repair the disk and reïnstall OS X (without erasing you existing data).

Powermac Won't Boot From Leopard Disc, Hard Drive, etc.

I've tried to boot the computer from the cd, hard drive and other things but it will not boot because i don't know the open firmware password. Any ideas?

In fact, I have but I first saw yours.
This seems to be a relatively frequent problem.
I've even checked that Firmware Password Protection thing.
Apple procedure is puzzling to say the least. They say
it could prevent boot from DVD and advise to install
the app from the App DVD (the # 2 DVD delivered with the
MBP to correct this and deactivate FPP if it was activated in the first place.
I checked : no Firmware Password Protection in the DVD.
Usually, Apple never behave like Micro$oft, God forbid…
Message was edited by: Hellstan

I want to wipe iBook of it's content, but it will not boot up from DVD

Can someone tell me how I clear off the content of iBook and install the basic set of the applications? I have the original OS 9 disks but they will not boot up with these. I have gradually upgraded the OS so I don't have disks to match 10.4.11.
I want to give this away, as I bought new MacBook Pro recently and I have all of the files on the new computer, (and on another hard drive).
Thank you for any help from out there.

No problem; I usually answer good questions already solved. (It's for the search engine.) Here's how to wipe a corporate or government ATA hard drive.
Should you be concerned about spies, industrial and foreign, or even you own personal information, there is a standard method of erasing ATA disks that contain government classified information. Most ATA disks have it built in (and is a concern when purchasing computers for classified research). It's extreme, but sometimes necessary: information otherwise remains stored on 'bad' blocks, &c.
At one time, only the DOS program HDDerase activated the secure erase in ROM. For Mac users, the Linux program 'hdparm' (which has other uses) will do this from a Live Linux distribution on CD (unless you can boot a USB Flash Drive).'Darwin' might have it.
How to Nuke an ATA Hard Drive
http://ata.wiki.kernel.org/index.php/ATASecureErase
Note that, if you stop the process part way though, the disk may not be usable again (except to spies). Also, nothing is guaranteed.
If Darwin doesn't have it, or if it doesn't work, LiveCD distributions, such as Mint, Berry, & those of major distributions can be found here:
Linux Release Watch
http://distrowatch.com/

Macbook Will Not Boot After Updating Leopard

I just reinstalled Leopard after having some trouble with my partition tables, and everything ran smoothly and worked fine. After the install I let software update update everything including the 10.5.5 update. It prompted me to reboot, and when I did it got to the grey Apple screen and the thing spun for about 30 seconds before it restarted and did it again. This happened a few times and then I booted from a Leopard disk to look at disk permissions and they seem to be fine. Anyone have any idea why this is happening or how I would fix it?
Thanks in advance, hope to get this sorted out quickly, I thought I had finally gotten my computer working fine again when I reinstalled Leopard. :P

At start up, press 'C' to boot directly from a CD/DVD. Or, you can press 'Option' and you should get a list of bootable selections (CD/DVD, external hardrives) that you can boot from - assuming you have something that IS bootable.
I recently had a problem and ended up reinstalling my OS (via TimeMachine). I also confirmed that you can boot from your original OSX install disk. As part of this process I also discovered I could NOT boot directly FROM the AppleCare provided TechTools Deluxe disk. Supposedly you can boot INTO that disk via a restart but that seems kind of silly to me.
However, if you have signed up for AppleCare and go to the Apple Support web site, you can download TechTools Deluxe and it can be made bootable by burning the .dmg file via Apple Disk Utilities. I don't understand Apple logic of not making the provided AppleCare TechTools Deluxe disk bootable.

MBP will not boot up with USB devices connected

I have a late 2010 MBP 15 10.7.2 that will no longer boot up if any USB devices are attached. A dongle, a hub, anything. It goes to the gray screen and stays there. Disconnecting all USB devices the MBP will boot up. Then connecting the USB devices they work. It just will not boot up with anything connected to the USB ports. I have reset PRAM, SMC and fixed disk permissions. Made sure login items are ok, and start up disk is correct. I cant really say when the problem started as it worked fine before, maybe on 10.7.1? Not sure.
Any suggestions for a fix?

I re-installed the 10.7.2 combo. It booted up with a non powered usb 4 port hub but it disabled it. Plugging it out then in again and it works. Looks like the USB firmware has changed somehow in 10.7.2, The hub works on PC's at work no problem, and it worked on the MBP without issue previously. Its not just the non powered hub its a powered hub, and other devices.
Any solutions?

MBP will not boot-up from Leopard disc/externel drive without getting a K.P

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