Hey guys,

i already bougth a JIG V3.1 and i try to reprogram the KBC bios but always show :

No connection to the KB90XX!
Check the settings !
Motherboard is connected / powered ?


I already managed to program other boards and don't have any problems.. only for this one! anyone can help me??

i have schematic if need be!

Thank you

replace KBC 9022Q once
ACER E5_521 (LA B231P) schematic

i have the schematic! replace ?? why? I need to programing KBC!

what kind of programmer do you use?
svod programmer?