New hard drive is not recognized by my MacBook Pro.

New hard drive is not recognized by my MacBook Pro. The supplier says I need to update my BIOS. True? How do I do that?
Hard drive: NN2-72-500-SSE Seagate Momentus 7200.4 (ST9500423AS) 500GB Laptop Hard Drive
Mac OS: Mac OS X Lion 10.7.5

I went through a similar issue with a Seagate Momentus 750GB HDD/8GB SSD with my late-2011 MBP. No matter what I tried, the machine would not recognize the drive.
To test it, I installed the drive in an old ThinkPad, and it worked fine. Then I tried installing it in my PS3, and the drive worked fine there, too. It was only the MBP which had issues.
I don't *think* Macs have a BIOS to update. But I know my MBP has issues with certain HDD's (including another external which works fine on other Macs and all Windows machines).
You might be able to find my thread by searching under my username, perhaps something in there will offer a tip. Otherwise, you might have to go the same route I did: install a WD Scorpio Black instead. Or upgrade to an SSD.
Good luck to you-

Similar Messages

The external hard drive is not recognized by my macbook pro (yosemite).

The external hard drive that was recognized by my older iMac (snow lion), is not recognized by my new macbook pro (yosemite).
Can anyone help me with this? Thank you!

Can you see the drive in Disk Utility?
See mount section in 1st linked article.
Disk Unmount Using Terminal
Disk Utility – Force Mount Disk

My WD 2tb external hard drive will not unmount from my MacBook Pro.

My WD 2tb external hard drive will not unmount from my MacBook Pro. It no longer even shows up in finder, however it does show up in Disk Utility. I have tired so many of the suggestions on the internet all to a fail.
I keep getting the message to be sure that all applications are closed before ejecting the drive. I have no clue how to tell which appliactions are using the external drive to shut them off. I turned off Time Machiene to be safe.
I don't need anything on the external drive, I am just trying to erase it, save my current info, and migrate it to my new MacBook Pro.
I have been about four days now with this issue all over the internet, in this community, and watching videos on everything and nothing about this topic to a fail.
I think I am doomed and have lossed this external drive because of some wierd application that will NEVER close on my hard drive for it to disconnect correctly. It's annoying.
Does anyone have a solution?

Have you trie using another USB port? Can you test the USB ports with other USB devices to assure they are working? You may want to reinstall OS X in case there has been a driver glitch.
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

New Hard Drive- Ipod not recognized anymore

I just have a quick question about my new nano so if anyone has any idea then that would be a big help.
My MacBook was having problems last week and I had to have a new Hard Drive installed in it. Now none of my programs are set up anymore and nothing is installed. My ipod doesn't have an installation disk with it and the first time I plugged it into my computer I registered it, named it and put songs on it. Now when I plug it into my computer with the new hard drive it says that i cannot move or copy songs onto it because I am not authorized on this computer. Anyone have idea idea what I could do? I have the case with the serial number still if that will do anything but I've been having a lot of problems this week because nothing is installed anymore on my computer. Thanks!

*My ipod doesn't have an installation disk with it and the first time I plugged it into my computer I registered it, named it and put songs on it.*
You don't need a disc you just need to download and install the latest iTunes: Get the latest iPod software updates.
*Now when I plug it into my computer with the new hard drive it says that i cannot move or copy songs onto it because I am not authorized on this computer.*
Have you reauthorised your computer since you installed the new hard drive? If your system crashes or you reinstall your operating system without deauthorising iTunes first, you lock out one of your 5 authorisations. If you haven't already done so, you need to authorise you computer again to play your purchases: About iTunes Music Store Authorisation and Deauthorisation

New Seagate 1TB external hard drive is not being selected by MacBook Pro

My new Seagate 1TB external HD is not being identified by the MacBook Pro (10.7.5 Mac OSX). Whereas the same being recognized by a WIN8 OS based PC. I need a format wherby the external HD should be recognised by both Mac OS and Win.
Kindly help.
Pls note my system is being run on safe mode, as there is a problem in the left shif key. Hence, while booting, it is automatically being shifted to the safe mode. I need to format the external HD, so that I can transfer to store my data.

If you want the drive to be able to both read and write on OS X and a Windows machine, you should format the drive as exFAT on the Windows machine. As to why the drive is not recognized when you boot into Safe Mode, that may be because the drive is formatted for another OS and it MAY BE that it's disabled when you run in Safe Mode (which disables a long list of things: see -> http://support.apple.com/kb/HT1564?viewlocale=en_US).
If you format it as exFAT on the Windows machine, you MAY BE able to have it mount on your Mac. No guarantees, though.
Good luck,
Clinton

New hard drive won't install in my macbook pro 13"

Hi everyone
I have recently been having problems with my mac book where I was constantly seeing the spinning beachball. I had wiped the hard drive and was still having this problem so took my mac book to a "genius" at my local mac store who told me that the hard drive was faulty. I was out of warranty so he advised me how to change the hard drive and recommended me to install a crucial 240gb M500 SATA 6Gbps 2.5 SSD. I have now fit this into my mac book and have done internet recovery to allow me to get to Disk Utility. My computer recognises the new Hard drive but when I got to erase the disk to enable me to install the operating system it just hangs attempting to unmount the hard drive. I left it over night and nothing happened. IS there something I have done wrong or is there another way of me installing the operating system onto the new hard drive?
Many thanks in advance

Hi Clinton:
off topic: remembering your beautiful 980GB M500, i want to point to two things that I came repeatedly by:
1. the M500 has more "overprovisioning" than most other Crucial ssds ( I thought that you might want to hear that.
2. Lately I hear more and more comments by respectable manufacturers that Trim in Mac OSX should be avoided: the "enabling" softwares are a bit crippled software and there are many timing faults at the file level communications, which are counterproductive.
So I followed the recent comments of a OWC staff member:
"One way to live without TRIM on OSX is just reduce the volume on the drive and leave the unallocated space...unallocated. If you have a 240GB drive I suggest removing 40GB.
The drive will map this into the over provisioning and move the space in and out of use on the volume very quickly...almost faster than TRIM does
Also remember the drives do have garbage collection and will look after themselves if given the chance too".
So I restored the complete original IOAHCIFamily.kext ( by running a Combo Update) on all my SSDs, and with DiskUtility I dragged the bottom of the startup partition up for about 40GB and left it unallocated (no format).
I remember that you did not install Trim (?), but to be sure I send this to you.
Have fun my friend,
Lex

New hard drive in, not recognized when boot from DVD

Well, I installed my new Seagate ST3750640AS, 750 GB Baracuda and when I boot from the Tiger install DVD, there is no Hard Drive listed. What could have gone wrong. I have an early model G5 iMac.

Are you sure the cable is connected? Look at the [DIY|http://www.apple.com/support/manuals/imac> for replacing your drive and see if there's anything you may have missed.

External hard drive documents not read on a MacBook Pro

Hi all,
I use my external hard drive to save a document from another PC computer last week when I plugged it back on my Mac the documents cannot be read on a Mac as it says they are not supports by apps software or search for application that will open those files.
I have all the documents which I copy from my previous Toshiba Laptop which was windows7 but is there way to clean the external drive on Mac without loosing all the document? or how do I format my external hard disk on MacBook Pro?
Jok2

You can copy these documents to the internal drive of your MacBook Pro and then, format the external drive. If you want to use the external drive on Macs and PCs, I recommend you to format your external drive on a PC to use exFAT, better than NTFS or FAT32. You can also use FAT32 but it isn't compatible with files bigger than 4 GB, and NTFS disks can't be written on Macs. If you want to use this external drive only with your Mac, you can use Disk Utility to format the external drive using "Mac OS Extended (Journaled)". Read > http://pondini.org/OSX/DU1.html
Depending on the application you used to create the documents on the PC, you have to install an application that reads these documents. For example, if you created these documents with Office, you can use Office for Mac, iWork or LibreOffice. Each one has got its advantages and disadvantages

New hard drive, clean install of Lion, but MacBook Pro is still freezing

Hi everyone,
Even the folks at the Apple store don't seem to know what's going on with my MacBook Pro.
My hard drive crashed a few weeks ago. I bought a Western Digital Scorpio Blue and replaced it myself. The MacBook didn't seem to like it (lots of freezing, going really slow, etc) and so, after reading online that many MacBook Pro users did not like the WD Scoprio Blue, I returned it and bought a 320 GB Hitachi. Before replacing the WD drive with the Hitachi drive, I used SuperDuper! to make my external hard drive a clone of the WD hard drive. I replaced the WD with the Hitachi, booted from the external, and then restored all my stuff to the Hitachi. The computer still didn't work so well, so I did a zero-out erase and a clean install of Lion. I dragged my files over individually (only about 100 GB of word documents, music, and photos). For the first two days, everything worked perfectly. Then I started getting these error messages:
Word: Word cannot save or create this file. The disk may be full or write protected. Try one of the following. *Free more memory. *Make sure that the disk you want to save the file on is not full, write-protected, or damaged.
Chrome: Your profile could not be opened correctly. Some features may be unavailable. Please check that the profile exists and you have permission to read and write its contents.
Dragging files to trash: The operation can't be completed because an unexpected error occured (error code -50).
Fireforx: Close Firefox. A copy of Firefox is already open. Only one copy of Firefox can be open at a time.
In addition, the computer kept freezing. I also had problems with Mail and iTunes. Disk verify, permission verify, S.M.A.R.T. utility all said that the hard drive was working fine though.
So, I brought the computer to Apple. They did a zero-out erase, reinstalled Lion, and did what they called a "software repair". They said it should work fine. I just got home from the store, booted up the computer, and it's barely working. All sorts of error messages, safari won't work, it keeps freezing, and I was only able to open disk utility once. I verified disk, and it came up with no problems. I verified disk permissions, and when I tried to repair disk permissions, it kept saying it was "unable" to.
I don't know what it could be. It's not the hard drive...I've run disk utility, S.M.A.R.T., and an app that checks the hardware associated with the drive. All of these programs say the hard drive is absolutely fine. I've also reset PRAM. Another thing worth noting is that I'm currently booting/working off of my external, and it works absolutely perfectly.
Any ideas? One of my friends suggested I go back to Snow Leopard, but I don't see what difference that would make. Please help! Anything would be very much appreciated! Thanks!!

The theory is that you have a weak bit in one of the modules, and sometimes (rarely) it flips over. The trick is to try and catch it.
If you move the modules, the weak bit will be at a different Address in memory. Different things will be loaded into the word with the weak bit, and the symptoms may be different.
It may not do anything at all. But it is so easy to try, it is worth a shot.
On a multi-module memory, you need to keep your wits about you when doing this, or you put them back the way they were originally. So you should pick a direction and always move them your "regular" direction.

My external hard drive is not recognized by my computer.

My external hard drive is not recognized by my computer. I used it earlier and it was fine however my computer froze and I unplugged my hard drive without properly ejecting it. Now when I plug it in nothing pops up. I've tried on three different computers and no luck. I hope this is fixable! Please help.

Care to share which OS you are using?
Repair permissions & restart your computer.
Zap the PRAM

I have recently updated my OS from Leopard to Snow Leopard but now my external hard drive and even my iPhone are not recognized by my Macbook Pro! Anyone have a suggestion??

I have recently updated my OS from Leopard to Snow Leopard but now my external hard drive and even my iPhone are not recognized by my Macbook Pro! Anyone have a suggestion??

Zap the PRAM and Reset the SMC, then try again. If the problem remains, update to 10.6.8 and repeat.

My new hard drive does not allow me to load programs on my IMac. It doesn't recognize my administrator password. How can I correct it?

my new hard drive does not allow me to load programs on my IMac. It doesn't recognize my administrator password. How can I correct it?

Wrong forums. Try http://answers.microsoft.com/en-us/mac

You can't upgrade to a 7200rpm hard drive in the Early 2011 13" MacBook Pro. It is not supported. Period.

I tried unsuccesfully to upgrade the hard drive in my Early 2011 13" MacBook Pro to a 750GB 7200RPM hard drive. After several attempts with different hard drives I realized that the kernel panic that showed up was due to the lack of compatibility with the drives to the MacBook Pro. I had a Mid 2009 13" MacBook Pro that I did not have any issues with whatsoever. I sold that MacBook Pro and was able to upgrade to the brand new base model without any out of pocket cost. Upon purchase of the new 13" MBP I maxed out the RAM to the full 8GB. After 2 months of freezing, lockups, spinning rainbow wheels and having to force shutdown I tried one last ditch effort to see if a faster drive would help. After speaking with the Apple telephone reps and the Apple Store Genius Bar we discovered that Apple doesn't even offer the option of a 7200RPM drive on their website - a fact that I found quite disturbing. The concensus is that it is a power management issue that causes the incompatibility and the reason the drives are not offered on the 13" models. The problems I had were the end of the line for me. I just switched out that train wreck for the Early 2011 15" MacBook Pro base model. I got home and immediately installed the 750 GB 7200RPM Western Digital Scorpio Black hard drive and it was recognized within seconds. I'm back in business with gleeful abandon.

Sadly... they don't have all the answers. As someone who use to serve in the capacity (Mac Genius) it can definitely be a challenging position. You're "the voice" of Apple's service policy & procedures. Sounds like the person you spoke with got it wrong this time. It's definitely worth a follow up, because like I said, I've got a machine in my household that's living proof of compatibility between a 7200 RPM drive and 13" MBP (Early 2011).
Apple is very good about support documentation when there's incompatibility or unsupported configurations, the fact that there isn't one for 7200 RPM drives would tell me that the people/person you spoke with was misinformed.
I know I always appreciated when a customer made it known to me that I was wrong on something and supplied the right answer. I sure as heck don't have all the answers and if I can lead from my mistakes, well, I won't make them anymore.

Where can I buy a larger hard drive for my late 2008, 15" macbook pro? From reviewing questions and answers on the support community it would appear that having Apple remove the old and install the new hard drive is recommended. But how/where?

Where can I buy a larger hard drive for my late 2008, 15" macbook pro? From reviewing questions and answers on the support community it would appear that having Apple remove the old and install the new hard drive is recommended. But how/where?

Welcome to Apple Support Communities
You can install the new hard disk yourself if you want to. You just need a 2'5" SATA II hard drive, which is compatible with your MacBook Pro. You can buy one at OWC > http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/ You can filter hard drives by computer, so press a "Click to view all...", choose your computer in the sidebar and it will give you the compatible hard drives.
There are different brands for the MacBook Pro. The most recommended are HGST and Seagate, which have good reputation. A 7200 rpm hard drive will give you extra performance

I want to upgrade my Hard Drive to 1TB and more. What is the maximun Hard Drive I can install for a MacBook Pro 2009 Yesterday, I tried a SEAGATE SSHD but my screen was always a showing a QUESTION MARK (?). It's not the cable because when I put back

I want to upgrade my Hard Drive to 1TB and more.
What is the maximun Hard Drive I can install for a MacBook Pro 2009
Yesterday, I tried a SEAGATE SSHD but my screen was always a showing a QUESTION MARK (?). It's not the cable because when I put back the old original version, everything works...Any sugestion of brabnding or procédure to upgrade my hard drive?

The largest 2.5" dia SATA drives available are 2 TB in capacity.
Have you tried the Seagate SSHD connected externally to the MBP via USB? The drive itself may be faulty.
Ciao.
Here is a good place to start looking for a replacement drive:
http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/

New hard drive is not recognized by my MacBook Pro.

Similar Messages

Maybe you are looking for