IC CODES SMD CODES…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Post navigationCLEVO B512x B5120,B5125 6-71-B512A-002 iRU B5121. STEP BY STEP ON HOW TO CHECK LAPTOP NOT POWERING,CAN’T POWER OFF,INSTANT POWER OFF, INSTANT POWER ON ,NO BOOT