IC CODES SMD CODES… This content is for daily, weekly, monthly, quarterly, biannually, and annually members only.Login Join Now Post navigation CLEVO 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