The touchscreen does not function after certain period or the USB ports stops working after upgrading to the Windows 8.1 operating system.
To resolve the issue, download and install the latest BIOS update.
NOTE: This issue should not occur if the BIOS version is R0220DD or higher.
Warranty Information
For information on Sony warranties
Spare Parts Distributor
Contact our Spare Parts Distributor
Contact support
Contact our Support team
Wall Mounting and Installation Partner
Contact our Wall Mounting and Installation Partner
Support by Sony (Mobile App)
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