If it is the shield's reset you need to activate simply re wire it to an arduino pin and then pulse the pin. Depending on your type of shield this might already be wired up in this way. Check the schematics.
If it is the shield's reset you need to activate simply re wire it to an arduino pin and then pulse the pin. Depending on your type of shield this might already be wired up in this way. Check the schematics.