Troubleshooting For Mac Users - Acomdata E5 External Hard Drives User Manual

Drive using the FAT32 file system. If reformatting the
AcomData Drive and you do not need Mac compatibility,
Windows 2000/XP users should use the NTFS files system.
After I connected the Drive to my PC, I got the following
alert message: "Hi-Speed USB device plugged into non-
Hi-Speed USB Hub." What does this mean?
A: Windows 2000 and XP users will get this alert message if
you plugged the AcomData Drive into a USB port that only
support USB 1.x. This is fine, except your AcomData Drive
will operate USB 1.x speeds (up to 12 Mbps).
When using a USB 2.0 connection, the Drive seems to be
operating slower than the rated 480 Mbps.
A: First, In order to reach USB 2.0 speeds, you need a con-
nection that supports USB 2.0. If the connection only sup-
ports USB 1.x the Drive will operate at USB 1.x speeds (up to
12 Mbps). The Drive will auto-sense the speed of your USB
port and adjust between USB 1.x and USB 2.0 speed.
Second, 480 Mbps is the maximum speed of USB 2.0 devices.
Actual data transfer rates will vary depending on a number
of factors, including available CPU resources.

Troubleshooting for Mac users

The power will not go on when I plug in the Drive.
A: Make sure your connections are secure.
My computer does not recognize the Drive.
A: First, make sure the connections are secure. Second, check
if your AcomData Drive is listed in the Apple System Profiler.
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If the driver listed is "USB Authoring Support" or "Toast
USB Support", disable this Extension(s) in the Extensions
Manager, as they can cause a conflict with the Drive.
When I leave my computer idle for a while and come
back, my AcomData Drive won't work properly.
A: The most likely cause is that your computer is going to
sleep. The immediate solution is to restart your computer.
To prevent this problem from recurring, go into your Energy
Saver preferences and set it to never go into Sleep mode.
My AcomData Drive feels warm when it's powered on. Is
this dangerous?
A: When in operation, the Drive may feel quire warm to the
touch. This is normal.
When using a USB 2.0 connection, the Drive seems to be
operating slower than the rated 480 Mbps.
A: First, In order to reach USB 2.0 speeds, you must have a
computer or host adapter card that supports USB 2.0. If the
connection only supports USB 1.x the Drive will operate at
USB 1.x speeds (up to 12 Mbps).
Second, 480 Mbps is the maximum speed that USB 2.0
devices can reach. Actual data transfer rates will vary
depending on a number of factors, including available CPU
resources.
When I connected the Drive to my computer, I got the
following alert message: "Please insert disk 'untitled'."
A: If you get this alert message, your Mac is not recognizing
your AcomData Drive and the mouse cursor may actually
freeze on screen. If this happens, hold down the Apple/
Control key and press the Period ". " key. You should regain
control of your mouse. Restart your computer and rebuild
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