external hard drive ejecting itself

[ghking]

hello
i have a Beyond Micro mobile disk USB external hard drive connected to my imac running Leopard. Once in a while during it randomly ejects by itself and i get the "Unsafe Removal" warning pop up. I don't do anything to the drive at all. Is it a software thing? or is it about to bail?

 

[hodgjy]

What is the chipset on the usb controller? Some chipsets are more compatible with Macs than others.

 

[ghking]

not sure how would i find that out? it has been working for about a year this ejecting stuff has just started happening

 

[chscag]

not sure how would i find that out? it has been working for about a year this ejecting stuff has just started happening

First, try the drive on another machine if possible to see if it does the same thing.

If the drive has been working for a year OK, it may be heading south....

 

[ghking]

yea i tried it on my emac too same thing
crap

 

[Kate Apple]

External drives randomly eject-same problem

I have an OWC Mercury Pro Elite and WD My Book. Initially both were hooked up via Firewire to 12" Powerbook. Both started to randomly eject. Recently have a new iMac and both drives are attached directly to USB ports on the back of the iMac. Same thing is happening. It doesn't happen during drive access, but it does happen 2-3 times a day, on either drive.

Thanks for ANY help on this.

 

[nablake88]

external WD hard drive ejecting itself

im having the same problem please help

 

[ayyildiz]

Same thing with iMac 2010 and MacBook Pro 2011

I recently purchased a CineRaid 4-bay enclosure. It works fine for a while then ejects itself and reconnects on Mac OS X machines. So, it is impossible to do any large transfers. I tried it on my iMac and my Macbook Pro (both running Lion), I got the same issue. When I connect it to a USB HUB it is almost impossible to do anything.
I tried it on two different Windows machines (XP and Win 7) and did not see any issues. I transferred 500GB data and it completed without any issues. One version of Windows runs on my Macbook Pro on bootcamp and it has no issues with the CineRaid enclosure.
I contacted the external enclosure manufacturer and they were surprised that I was seeing this issue. I am not sure whether this is a Mac OS issue that can be fixed by settings or the enclosure doesn't work with Mac OS X period. The manufacturer of the enclosure advertises it to work with Mac OS X 10.6 or later. Any opinion will be appreciated.

 

[teryg]

Same problem

I just ran the system updates, which updated several things, including the operating system (now OS X 10.7.5, with all recommended patches installed). Suddenly, my LaCie external drive is constantly ejecting itself and giving me an improperly ejected error. The computer then freezes and has to be turned off and back on. I'm on a MacBook Pro. Is this happening to anyone else? I can't help but think it's related to the system update.

 

[BrianBaughn]

I just ran the system updates, which updated several things, including the operating system (now OS X 10.7.5, with all recommended patches installed). Suddenly, my LaCie external drive is constantly ejecting itself and giving me an improperly ejected error. The computer then freezes and has to be turned off and back on. I'm on a MacBook Pro. Is this happening to anyone else? I can't help but think it's related to the system update.

Which LaCie?

 

[LaCieTech]

I just ran the system updates, which updated several things, including the operating system (now OS X 10.7.5, with all recommended patches installed). Suddenly, my LaCie external drive is constantly ejecting itself and giving me an improperly ejected error. The computer then freezes and has to be turned off and back on. I'm on a MacBook Pro. Is this happening to anyone else? I can't help but think it's related to the system update.

Hi,

Please call our support at 503.844.4500 or http://www.lacie.com/mystuff. The symptoms your describing indicate a corrupted volume which may have occurred during the OS update if the drive was attached during the update. We can discuss options and possible solutions with you.

~mn

 

[riza.dervisoglu]

Hi,

Please call our support at 503.844.4500 or www.lacie.com/mystuff. The symptoms your describing indicate a corrupted volume which may have occurred during the OS update if the drive was attached during the update. We can discuss options and possible solutions with you.

~mn

Thanks for this useful information! My two external drives were connected during an update (Sierra 10.12.3) and in the morning both were not-properly ejected. I will check the integrity of these drives now.

With kind regards,
Riza