HP 15R -
ZSO50 LA-A992P
Problem : No charger Indication and not turning on
Checked 19V line Ok
+3Vl Missing
Checked ENLDO Not Present
499k Resister open
Replaced Resister
Laptop Turned On Display Ok

HP-15R-249TU GFX MAIN BIOS - OK

HP 15R 249TU KB9012 OK BIOS

DELL 15 3521 LA-9104p Continue Beeps

1.5V and 0.75V are Missing RT8207 not giving out put Changed RT8207 (PU300)

Display Ok

Use 24 Lines FPC Cable
Solder one wire to Grond on Peb1 Connection Board and Laptop Mother Board
For ITE 8586 and ITE 8587 Pin 100 Must Connect to Ground

Connect 24 line Cable on PEB1 board pin 1 to 24 and same in Mother board (1 to 24)
Run RT809F Software
Select ITE8556_ISP@PEB1
Then click on ...

Lenovo B560 LA-56Mb, 19V ok. 3.3V ok on power button but not turning on Flashed EC Bios, Laptop Power on and Display OK

Pl701 B+. This Board runs on 13.3V Check Schematic

G50-80-NM-A362-IT8586 BIOS

Lenovo G50-70 NM-A271-Main BIOS With GFX

Lenovo G50-70 NM-A271-ITE BIOS - Working with GFX