My late 2009 macbook stopped booting up after swapping hdd's with a macbook of the same model with a newer OS what happened did I somehow update my older Mac hardware with newer OS software because it won't recognize the original hdd anymore

I swapped hdd's with two diff os's and now I'm getting the question mark in the folder icon after replacing the two to their original MacBooks but they work while swapped I realized afterwards that I wanted to use the newer OS in my external enclosure and keep the older hdd in the macbook it was in from the start ive reset pram tried to boot to the menus or what have you by following the step in these forums but my macbook isn't even recognizing the original hdd that came in the macbook

Try booting to the Startup Manager and select your system drive.
Startup Manager: How to select a startup volume
http://support.apple.com/kb/HT1310
Then see
http://support.apple.com/kb/TS2570
https://discussions.apple.com/docs/DOC-5282
Will it boot the disk when it is in an external enclosure but not when it is intsalled internaly? If so it may be the internal SATA cable that is bad (an inexpensive part).

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http://support.apple.com/kb/TS3274 check this first

Help needed, new pc stopped booting properly after 2 days msi p67a-g45

Hi I need help quick, I recently built a new pc and all was going well sofar but now it wont boot up properly, it keeps resetting before the boot post tests and the times it does go through to the tests the internal speaker does 2 beeps, waits a second, 2 more beeps, waits a second, 3 quick beeps and then finally after another second 1 final loud beep. Also when I'm running my memory test (doing atm, I think it crashed though) the lights on my keyboard are continusly flickering.
Any help would be greatful
My specs:
Intel i5 2500k (not overclocked)
8GB ram
650w corsair power supply (had this for a few years and worked fine sofar)
msi gtx 570 oc
msi p67a-g45 motherboard
crucial m4 64gb ssd
2*1tb samsung hardrives

Ok I just tried messing around with the computer it seems that the 2 sets of 3 quick beeps are for the number of usb devices Ive got attached to the computer, their is still 2 normal beeps before the 1 loud beep so I'm not sure what they mean as I tried replacing all the parts and it seems to do the same beeps.
Quote from: Bernhard on 11-May-11, 11:12:09
Have you tried with only one memory module on the board ?
yep just tried that, they both seem to pass seperatly and together as they make no changes to the number of beeps, the ram should of also been 100% tested by mushkin in the factory so I dont think they may be the problem
Quote from: Bernhard on 11-May-11, 11:12:09
What is a few years, and under what usage pattern and load ? PSUs don't last forever. Suggest you also test with a known good PSU of similar output to determine if there is a potential PSU problem.
Ive had the psu for around 2 years and it coped with me setting the computer to run on a full load test with 3dmarks and prime95 for a few hours along with me having a normal gaming session on it. I cant test the computer with any other psu's atm as I got none spair to use.
Hopefully it was just the cmos being corrupted as resetting that seems to have fixed it, but it annoying not knowing what them 2 beeps are before the loud beep (which I guess is the all ok beep) is though.

IMac 27' i5 late 2009 don't boot.

My iMac 27' late 2009 don't boot, the screen become grey with only the Apple's logo.
He can boot on the USB Lion installer but not on installed system.
When I want to re-install the system, the screen become black after some minutes.
I've tried to reset the SMS, the PRAM/NVRAM, to change the HDD, to make fsck, to repair the disk with disk warrior and disk utility, to change the RAM memory...
HELP !
Max.
PS : I've made an AHT but all is OK.

iCoppa wrote:
I'm having the same problem. What software do you have installed (Aside from ilife and OSX) ?
Hello, basically my software are:
Aperture 2
Fusion 3
Microsoft Office 2004 (and most of the time word crashes as soon as it's started)
Firefox 3.6
Qpict 7.1
Adium 1.3.6
plus other software that I use sporadically (muCommander, Filezilla).
I connect to several external hard drives, I use cisco vpn client and >Microsoft RDP client often. If I can't find any helpful information I'm going >to start removing things 1 by one until I figure this crap out.
Well, during the past weekend, the possibility that the bug maybe caused by Firewire devices is dramatically increased. If it's true, the problem effect Snow Leopard in general and not only the iMac.
Yesterday I connect my MacBookPro 2.2 (3GB RAM 10.6.2) to the external devices (one Packard Bell 250GB FW-400 connected to one Lacie 1TB FW-800) because I had to move several files from one disk to the other (procedure that I've started with the iMac and never completed).... well the 4 year old MBP that never had a problem, crashed completely three times!! :O
The first time the spinning ball appeared (same bug behavior as on the iMac), the second time the mouse stopped to move and the last one (I had the screen dimmed) the screen remained black.
I'm really starting to think that something at kernel level that handle firewire devices has some severe issues if some particular conditions happens.

Imac late 2009 do not boot

Hello ,
my iMac24 late 2009 doesn't boot normally , only in safe mode .
After that everything works fine but no audio or cam , I've done a clean install of OSX 10.7.5 without any problem ( audio and cam working during the install process ) but once arrived to the screen " .. and now start enjoying Lion .." the screen stopped on a mix of the login screen and the desktop Andromeda Galaxy wallpaper ...
When I start from the off condition it works and the scene shows the spinning icon , but after the mouse pointer shows up I get only a blank screen and the HD makes its usual noise in the background like it's working or defraying .
Please help , many thanks ,
moritz58

Disconnect all devices from the computer then do the following:
Boot up from your system DVD that originally came w/your comp while holding down the "c" key.
Select the language you wish to use, and then choose "Disk Utility" from the menu bar.
Your HD should appear in a panel on the left hand side of the window which opens. Select it and then click on the "repair disk" button in the right hand section of the window.
Once this process has been completed restart your computer and repair permissions directly from Disk Utility.
If Disk Utility is unable to complete the repair, you will need to use a stronger 3rd party utility like DiskWarrior, Techtool PRO (not Deluxe) or Drive Genius.
====================
http://support.apple.com/kb/TS2570 Mac OS X: Gray screen appears during startup

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Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
or
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
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If you're using a fourth generation or earlier iPod touch, click here and download the software.
If you're using a fifth generation iPod touch and an Intel Mac, buy Mac OS X 10.6 from the online Apple Store and run Software Update.
If you're using a fifth generation iPod touch and a PowerPC Mac, buy a newer computer.
(73046)

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I am trying to restore TM backup files from the older Macs using my new MacBook Pro. No go.
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I just purchased Lightroom 5 back on 15th of February, and v6 is now available. Do I understand correctly that I have to buy the new version for $149.00? Free updates are not available/included with the purchase for some time after the purchase?

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I backed up my old iPhone 3g on my iBookG4. The G4 does not support the iPhone 4s because it's too old and I cannot update to Lion or Leopard because it's too old.
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thanks.
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My ipod does not recognize touch all of a sudden. It is on, but I cannot use it because it won't recognize my touch! Help please!

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iPhone, iPad, iPod touch: Device not recognized in iTunes for Mac OS X
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Mac OS X v10.6 or later: iOS device not recognized in iTunes after restart
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Then new version of IMovie imported nearly all of my video and then suddenly closed. Now it won't recognize the video that it stil hasn't imported? I took the sd card out of the canon camcorder but still won't recognize or import it. Is there a cache t

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My late 2009 macbook stopped booting up after swapping hdd's with a macbook of the same model with a newer OS what happened did I somehow update my older Mac hardware with newer OS software because it won't recognize the original hdd anymore

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