ASUS X551CA _ X551CA Rev:2.2 Power ON No Display Posted on August 16, 2016March 29, 2017 by bios-downloads.com ASUS X551CA Power ON No Display Madherboard : X551CA Rev:2.2 Check 19 V – Its OK Check 3.3 V and 5 V its OK Flash Main Bios Download it here Asus X551CA Now the laptop its OK