Mac 10.5.7 can't recognize external HD

P

patguit

Registered
What can I do I've tried every thing, HELP!
-I format my HD to Mac OS Extended (Journaled)
-I download the last version of airport utility 7.4.1
-I restart a lot of time

I have three MacBook, two exact same (aluminum 5.1) on 10.5.7
and a Black 4.1 on 10.5.7 as well

My HD only work on my Black 4.1 HELP!!!!!!!!!!!!!
 
No it's a Acomdata 550GB usb external HD

My external HD was working perfectly before I unplugged it. When I plug it to another Mac, it works(MacBook 4,1 Black Casing, with 10.5.7 as well). I also tried it on a third mac exactly like mine(MacBook 5,1 Aluminum casing with 10.5.7) and it doesn't work either. Help! please
 
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Check and read the link fully:
http://support.apple.com/kb/HT1411

Here are the basics:
MacBook (13 inch, Late 2008), MacBook Pro (15-inch, Early 2008), and MacBook Pro (17-inch, Early 2008)

1. If the computer is on, turn it off.
2. Disconnect the AC adapter and remove the computer's battery.
3. Press and hold the power button for 5 seconds and then release the button.
4. Reconnect the battery and AC Adapter.
5. Press the power button to restart the computer

Note: Starting with MacBook Pro (Late 2008) and MacBook (Late 2008) models, you may instead use the reset method for MacBook Air (below) to reset the SMC. All earlier models of MacBook and MacBook Pro must use the method described above, which involves removing the battery.
MacBook Air and MacBook Pro (Late 2008 and later)

1. If the computer is on, turn it off by choosing Shutdown from the Apple () menu.
2. Connect the power adapter to a working power source.
3. On the built-in keyboard, press (left) Shift-Control-Option along with the power button once.
4. Wait 5 seconds and press the power button to start the computer.


Make sure the HD is NOT connected during this process. Then after final reboot, plug it back in. And keep your fingers crossed, very important.
 
Did this as well, and some body sugested to me that i should Turn off my security passe word on my external Hd, did this to an no result.
I am starting to Get out of ideas but i am not quitting.
Thanks for all your support
pat
 
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