Toshiba e-STUDIO 2555C Service Manual page 1022

[B] When the update of system software failed
USB update failed
Failed twice or more?
Check HDD harness connection.
Update succeeded?
Check system software version.
" 11.6 Confirmation of
the updated data "
NO
Is system software
Update completed
e-STUDIO2555C/3055C/3555C/4555C/5055C
FIRMWARE UPDATING
NO
YES
Update USB.
NO
YES
(08-9900)
version correct ?
YES
Update USB.
" 11.2 Firmware Updating with
USB device
Replace HDD.
Update USB.
YES
Update succeeded?
Replace SYS board.
Update USB.
" 11.2 Firmware Updating with
USB device
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NO