External Drive Wont Read!

duncanbrodie1 · duncanbrodie1 #1 (**permalink**)

04-08-2011, 07:02 PM

I bought a Macally G-S350SUSA external drive with a 1TB Seagate SATA drive and it has been working fine until now.
The drive will turn on, and spin (seemingly normal) but my MBP will not detect the drive.
I've tested all of the ports (on both the MBP and the drive) and eliminated any faulty connections or cables.
I have read that Macally ships weak power supplies with this unit, and some users have experienced problems with the spin-up. But I don't know if this is the problem I am experiencing. If the power supply was too weak, wouldn't the drive be unable to spin?

any help is greatly appreciated as this drive is my time machine disk

osxx · osxx #2 (**permalink**)

04-11-2011, 11:58 AM

Try to find a power supply with the same spec and fitting to rule this out and they can be
off by 1 volt and cause issues.

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External Drive Wont Read!

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duncanbrodie1 #1 (permalink)
Member Since: Mar 08, 2011 Posts: 83 Mac Specs: 15" Macbook Pro i7, 500Gb / 32Gb iPhone 4 / 16Gb Ipod Touch, 4th Gen / 30Gb Ipod Video	04-08-2011, 07:02 PM I bought a Macally G-S350SUSA external drive with a 1TB Seagate SATA drive and it has been working fine until now. The drive will turn on, and spin (seemingly normal) but my MBP will not detect the drive. I've tested all of the ports (on both the MBP and the drive) and eliminated any faulty connections or cables. I have read that Macally ships weak power supplies with this unit, and some users have experienced problems with the spin-up. But I don't know if this is the problem I am experiencing. If the power supply was too weak, wouldn't the drive be unable to spin? any help is greatly appreciated as this drive is my time machine disk
	QUOTE Thanks

osxx #2 (permalink)
Member Since: Jan 19, 2008 Location: houston texas Posts: 3,926 Mac Specs: 15 MacBook Pro 2009 32GB iPad 4 32GB iPhone 5 Apple TV 3 AEBS/AE	04-11-2011, 11:58 AM Try to find a power supply with the same spec and fitting to rule this out and they can be off by 1 volt and cause issues.
	QUOTE Thanks

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