dynabook USB-C Dock (PA5356E-1PRP) is occasionally disconnecting from PC without any user interaction.
This issue has been reported when connecting the USB-C (PA5356E-1PRP) dock to Portege X30-F, Tecra X40-F and X50-F series.
To correct this issue, please apply firmware (BIOS) version 3.20 or later for Portege X30-F, Tecra X40-F and X50-F series.
FIRMWARE (BIOS) DOWNLOAD
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