I have sony walman sok-nwz-b135f(b) and its not working.It lights up when connected to pc but is not visible under My Computer and also not working after ejecting.
Firmware is corrupted reinstall firmware from sony site
Plug in your mp3 player, go to device manager on your computer, and right click on the unknown device and click uninstall. when uninstalled remove the mp3 player and re-insert, it should automatically reinstall the driver and resume operation. try this, it worked for me.
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I tried to reinstall the firmware (NWZ-B130_V1_01.exe---downloaded from Sony Site) but it says "Please connect the device".I have already connected it but still I am getting the same message.So its not able to update it.Any help would be much appreciated.TIA
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