My Acomdata 3TB Puredrive USB 3.0 works normally when plugged into an old laptop, using the provided express card that gives it two USB 3.0 ports. The expansion port card needed some drivers installed and never had a problem. However, the drive is not recognized when I directly plug it into any other computer's USB port (tried both 3.0 and 2.0). It does not show up in disk manager, and Windows does not even show the systray icon for removable hardware. The same components which work great when plugged in the old laptop + the expansion port USB 3.0 card do not even get detected when plugged anywhere else. Any ideas? Acomdata.com is no longer in business, there is no way to get them to help. I have tried to find any required drivers online to no avail... but first I need help to get the computer to note the external drive's existence when I turn it on and plug it!
SOURCE: External hard drives not recognized by MacBook Pro using SIIG eSATA II 2 Port ExpressCard-M
Fixed- I purchased one of the following esata cards with the JMB360 chipset and it worked in my brand new Macbook pro 17" right out of the box. My other eSata from SIIG, inc would not mount any drives or accept any drivers. So the silicon based eSata's must have some type of hardware conflict with Macbooks. (P.S. I purchased the one from Best Connectivity for $20). These cards all use the JMB360 Chipset:
SOURCE: External USB Disk is installed but not visible under Mu Computer
Go to manage, refresh, and then asign a letter to it.
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tuljo
SOURCE: Fantom Drive TFDU16072A Error
2009 06 30 - I just had a similar problem. The Fantom external drive was working fine, but I had to shut down due to a thunderstorm. When I restarted the PC, the drive was not showing up. WHAT I FOUND: First, I didn't find this solution anywhere - everything seemed to point to a new install (or at least how to reformat and start over.) BUT, I right clicked on Computer, Manage, Disk Management - it still didn't show. On the right, under More Actions, I clicked 'rescan disks'. Now it shows up! And all of my data is right there. Whew!
SOURCE: Vista stops recognizing external hard drive
This doesn't sound like an OS issue. This appears to be more an issue of the connection to the hard drive. The USB cable likely isn't the culprit, nor the laptop USB inputs. If the drive was ever dropped or the cable gets removed and reattached often to the actual enclosure, you might be looking at a bad port on the enclosure. This isnt a lost cause. You can always buy a hard drive enclosure from newegg and move the drive from the IOMEGA to the new enclosure. You can get a new enclosure for $15. Just because the USB port is bad, it doesnt mean the data is gone and the hard drive cant be used.
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