[. . . ] The Walkman will start automatically after being charged for about 10 minutes.  Hint  If [USB connected] appears on the screen, tap [Turn on USB storage] to connect your Walkman. If the following screen does not appear, swipe the status bar on the top of the screen and tap [Turn on USB storage] on the notification panel. [. . . ] You can view the Help guide by double-clicking the  (WALKMAN Guide) icon and clicking on the Help guide. For details on transferring music, etc. , refer to the Help guide. About Windows Operating System Make sure that the OS is Windows XP (Service Pack 3 or later), Windows Vista* (Service Pack 2 or later) or Windows 7* (Service Pack 1 or later). * [Compatibility mode] for Windows XP is not supported.  Hint  You can start the WALKMAN Guide and Media Go from the [Start] menu (displayed by clicking [Start]).  You can install the supplied software on another computer through the following procedure even if you delete the [Setup. exe] file by formatting the built-in flash memory of your Walkman. Copy the [Setup. exe] file and the [Install] folder from the [Backup] folder of your computer to the Walkman. Then, connect the Walkman to another computer on which you want to install the software and follow the above procedure from step 2. The [Backup] folder can be found at C:\Program Files\Sony\WALKMAN Guide\NWZ-F800\Backup ([Program Files(x86)] may be displayed depending on the computer OS. ) date/time, etc. , following the instructions shown on the screen. Turning On/Off Your “WALKMAN” Hold down. Home Screen The Home screen is displayed by tapping the  (Home) button. Troubleshooting If your Walkman does not function as expected, try the following steps to resolve the issue. Precautions To initialize (format) your “WALKMAN” You can format the built-in flash memory of your Walkman. If the memory is formatted, your data will be erased and all setting values will return to their defaults. Note About the headphones 1 Find the symptoms of the issue in “Troubleshooting” in the Help guide (HTML document), and try any corrective actions listed. For details on connecting to a computer, see the table below.  Avoid playing the unit at so loud a volume that extended play might affect your hearing. Avoid listening to the unit in situations where hearing must not be impaired, for example, while driving or cycling.  As the supplied headphones are of open-air design, sounds go out through the headphones. Remember not to disturb those close to you. 2 Connect your Walkman to your computer to charge the License and Trademark Notice For users in France Turning On/Off the Screen The screen will turn off if no operations are made for a certain period of time. battery. 3 Press the RESET button with a small pin, etc. You may be able to resolve some issues by charging the battery. RESET button 1 Press the  (Power) button. The lock screen will be displayed. Press.  [Music player] widget Play back music. 4 Check information on the issue in the Help of software you are using. Before resetting your Walkman, check that no song, video, etc. , is being played back. You can then reset the Walkman safely.  If you execute this function, Google account information and downloaded applications will be erased.  If you tap and check [Erase USB storage] in step 2, the following data will be erased: Music and photo data transferred to your Walkman; Preinstalled content; the Setup. exe file stored in Walkman memory, for installation on your computer. Be careful because the preinstalled content and the Setup. exe file will not be offered again. It is best to back up such data to a computer before initializing the Walkman. [. . . ] unstable while it is  Your Walkman may be unstable if using a USB hub connected to the or USB extension cable. Your Walkman gets  Your Walkman may become warm when the battery warm. [. . . ]