Update Dell optiplex 760 bios from A03 to A16 version without disturbing windows or any settings procedure is simple just one thing to note down flash the proper model file and dont turn off you desktop while flashing this bios update celltronix is not responsible for nay damage or cause of damage
if you board is already repair or any device like ram hard or processor is weak you board may also die in this procedure first clean up all device then try this best of luck for future ask any information you might link feel free God may bless us all Ameen
final thing link is in the description below
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dell bios update
dell optiplex 760 bios
OptiPlex bios update
update dell desktop bios
update OptiPlex bios