Hp 15-R _ ZS050 _LA-A992 Rev : 1.0 Power on no display, but some time display come

Hp 15-R   Power on no display, but some time display come Madherboard Model : ZS050 _LA-A992 Rev : 1.0 Check 19 V – Its OK Check 3.3 V on Power Buton its OK Check 5 V – Its OK Flash Main    Bios Download it here HP 15-R series Now the laptop Its OK.