eSATA and USB2.0/1.1 compatible External Hard Disk Drive,
HDC-UXW400 series

FAQ (Mac)

(1) Even if the device is connected to USB port, the icon of the device still cannot be displayed.

Cause: The device cannot be recognized due to the connected USB port.

Measure: Please replace the connected USB port.

Cause: Connection is done improperly.

Measure: Please verify whether the device is connected correctly to the deep point of USB port. Furthermore, remove the device, and after 3 seconds or so try to connect it again.

Cause: Other USB devices are in use.

Measure: Please connect the device to USB port again after end of use of other USB devices.

Cause: You have make an upgrade installation of Mac OS 9.

Measure: The device may not be recognized under the upgrade installed Mac OS 9. Please make an upgrade installation of Mac OS again, or reinstall Mac OS 9.

(2) The OS cannot be booted from this device.

Cause: The OS cannot be booted from the device.

Measure: The OS should not be booted from the device.

(3) When being resumed from Standby or Sleep to Normal, this device cannot be recognized.

Cause: When being resumed from Standby or Sleep to Normal, this device may not be recognized.

Measure: Please remove this device and connect it again. If it still cannot be recognized, please restart the PC.

(4) The POWER/ACCESS lamp of the device is not lighted on.

Cause: The power supply of the connected USB port is too weak.

Measure: When the device is connected to USB hub, please confirm if the power supply can be provided to USB hub (if the power cable is connected to the power supply).

Cause: The power supply of the PC is not connected.

Measure: Due to its Simultaneous Power Supply Function, the power supply of the device can only be connected if it is connected to a PC with the power supply connected. Therefore, the POWER/ACCESS lamp shall still not be on even if the device is connected to a PC with no power supply connected.

(5) Even if the power supply of the PC is off, the POWER/ACCESS lamp of this device shall still be on.

Cause: The Simultaneous Power Supply Function may not work in some environment.

Measure: The PC may still provide power to the port even if its power supply is cut off.
In such case, the power supply of the device keeps connected. Please remove the device.

(6) When you read from and write to the device, other USB devices cannot be recognized.

Cause: The device holds USB bus.

Measure: In such case, you cannot recognize the USB devices immediately. Please connect other USB devices after end of use of this device.

(7) Once the device is connected to USB hub, error occurs.

Cause: USB hub may cause the device running abnormally.

Measure: Please remove the device from USB hub and connect it directly to the PC's USB port. Furthermore, if an AC adapter can be connected to the USB hub, please connect the AC adapter to provide power to the USB hub.

(8) The PC is halted during the booting process with the device connected.

Cause: The device is connected to a PC which can not be booted from USB device.

Measure: The PC should not be booted with the device connected. Please let the PC booted with the device removed. Connect the device again after end of booting of the PC.

Cause: The connection of the device and the power supply are abnormal.
Measure: Please verify the connection status and the power supply.

(9) Alarm displayed when you remove the device from the PC.

Cause: You have not execute the correct procedure for removing the device.

Measure: When removing the device from the PC with power supply connected, please drag the icon of the device over Trash and then release the mouse.

(10) Once the device is connected, the PC is halted

Cause: The connection of the device and the power supply are abnormal.

Measure: Please verify the connection status and the power supply.

(11) The meaningless message is displayed in [Disk First Aid], or error occurs (Only in case of Mac OS X).

Cause: The message may be displayed due to the environment you are operating at.

Measure: Only meaningless message is displayed, but the device still can run normally. In case of error displayed, please fix the problem and then use the device.

(12) Files cannot be saved, although empty space is available in the device.

Cause: Possibly there are too much files.

Measure: The number of files and folders which can be saved or created in a folder is limited.
Please save the files to other folders if such files cannot be saved. Or you can mover several files to another location and create a folder there, then save the files to the created folder.

(13) When you select all the drives of the device in the Disk Utility's [First Aid] to make verification, error displays in the result of verification.

Cause: It seems to be due to the specification of OS. The format of the device may cause error.

Measure: The device has no problem in running and you can use it normally.
When you use [Disk First Aid] to verify the device, please select the partitions respectively for verification.

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eSATA and USB2.0/1.1 compatible External Hard Disk Drive, HDC-UXW400 series