Adaptec ACS-120 User Manual

If you have problems installing or using your Adaptec ACS-120 
USB Enclosure, work through this list of suggestions:

■

Ensure that the disk drive has been properly installed.

■

Try connecting the enclosure to your computer through a 
different USB port.

■

Try connecting the enclosure to your computer using a different 
USB cable.

■

Try plugging the USB Y-cable’s secondary connector (shown on 

) into any USB port on your computer, as described on 

. (You may want to do this even if the LED indicator on 

the enclosure is green and even though you may not receive an 
error message from the operating system.) 

If the problem persists, try connecting an external power 
supply, as described on 

■

If you are using Windows with a file system other than NTFS, 
and the file system of the disk drive installed in the Adaptec 
ACS-120 is NTSF, Windows may not recognize or be able to 
read from or write to the disk drive. 

See the Table below for compatibility information:

FAT16

FAT16

OK

FAT32 or NTFS

No

FAT32

FAT16 or FAT32

OK

NTFS

No

NTFS

FAT16 or FAT32 or NTFS