Re: My MAC won't recognize my WD 80 GIg External HD
Some computers (especially Mac laptops) don't send enough power through the USB port to power a passport, so you need to get an extra power cord, one that combines 2 USB ports into one to get a little extra juice. Wish I could give you a website where you can buy that extra cord but I am currently looking for one myself at this moment in time.
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Apple don't put their OS on DVD any more. It's usually downloaded directly from the internet. But, if you live near an Apple Store you could take a USB Memory Stick in the shop and one of the guys could download the installer to the stick.
You could also try downloading from here www.fenopy.se/?keyword=Mac+OSX+10.5
If your machine can handle it (CPU 2.4 GHz Intel Core 2 Duo
or better), get the latest OSX 10.9 Maverics.
It's now available for free.
But you may need to use a friends Mac to download off the internet!
You can also make a bootable USB 32GB memory stick to assist.
See OSX Lion 10 7 3 USB STick Creator
To find out more about your Mac Model and all of its capabilities... download a copy of MacTracker.
These days you really must have an external hard drive of at least 1TB or so to keep copies of your files on. Partition the drive into 2or3 parts and keep one (60GB) as a clean OSX emergency boot.
I always use Carbon Copy Cloner to make a bootable "CLONE" of my PowerBook on my external drive.. That way if you ever get into boot problems you just connect the external boot disk, Restart the Mac, then hold the option key down and choose the external OSX Boot drive that you want to restart from. Then you use the Disk Utility program to fix Permissions & Test your internal Hard Drive.
I make a "CLONE" at least once a year then test that it boots then I wipe (Format) my internal HD and install clean updated OSX. Reboot and choose the Migration Assistant to put all my data back from the Clone I made.
Have been doing this for years now. Keeps the Mac software in prime condition.
Hope All That Makes Sense
If you unplug the power and USB cables from the drive (but not the computer), plug in the power and then plug in the drive, the Mac will remount the drive on the desktop. I am having the same issue, only my old HDD used to be my TimeMachine drive and now I want my SimpleTech drive for that. The issue is that when the SimpleTech drive disappears, OS X automatically uses my old HDD for TimeMachine and all my disk space vanishes.
I'm trying to find a better solution, because having to mess with the cables means it's no good for TimeMachine... and very frustrating on top of it.
the problem is that your western digital operates using the NTFS (New Technology File System) which is the standard file system of Windows. Apple macs is not interopable with native NTFS therefore you need to install a read-write NTFS file-system driver on your mac.
an excellent free mac NTFS driver can be found here- http://mac.softpedia.com/get/System-Utilities/NTFS-3G.shtml
download and install the software then restart your mac.
i have the same problem. macbook doesn't see anymore my hdd western digital 2,5'' white 250 GB. tried disk warrior, disk utility but nothing. it's just seem disappeared, even if i hear it works inside (and the led light is on) what can i do?