16 disconnecting psa from your computer
IMPORTANT!
TO PREVENT FILE CORRUPTION OR LOSS OF DATA, PLEASE DO NOT REMOVE THE USB CABLE DURING USB OPERATION, FILE TRANSFER, FORMATTING OR WHEN UPGRADING IS IN PROGRESS.
ONLY UNPLUG YOUR PSA WHEN THE 
DISPLAY HAS STOPPED SCROLLING COMPLETELY.
backup your files. please ensure that you retain the original files that you have downloaded to your psa. Philips and Nike are not responsible for any loss of content in the case if the product becomes damaged or files are not readable / legible.
for Windows OS users:
1click the Eject Hardware icon 
in the Windows task bar and select Stop USB Mass Storage Device... from the
unplug your psa. if you see a Try stopping the device again later message on your PC screen, try closing some applications which are running on your PC, and then click on.
for Windows 98SE users:
1there is no Eject Hardware icon 
. simply unplug the USB cable from your psa. make sure that there are no applications running that might be accessing the
device, including Windows Explorer.
for Mac users:
1when you have finished viewing your files, drag your psa desktop icon to the 
Trash icon.
2disconnect the USB cable from psa and your computer.