💥Case study 16
💥Samsung Rv411
💥Problem No Display,
💥Dc Reading in 30 mili second 12 30 15
💥 when laptop on dc Reading go to 3000 mile amp in battery mode,
💥 without battery 1700 mili amp
💥but one imp points is mujhe burning smell aa arhi thi .
💥 then open laptop I check where is burning, I found near CPU core section one MOSFET is burn.
💥then I check MOSFET is short.
💥 I replace MOSFET ,and I check every coil impedance is okey
💥I connect dc jack reading is go to 6 means board ok.
💥but when I trigger mother board amp reading gos to 750 ,1200,1500,then dc Reading showing short and board is off,
Try to second time conditions is same reading go 750 ,1200,1500, and short and mother board is off.
💥 phir sir Rafi sir ke Dell mother board ka video ki baat yaad aai،
Jab bhi core section ka MOSFET ude ga tab tab core ic bhi change karna
💥then change ic and re triger board dc Reading gos to 750 1200, 1500, 1750, 1900, and1950 and display come alhamdulillah.
💥 thanks Rafi Sir

BIOS DVD Magic 🪄✨
ACER DAZAAMB16E0 REV E
NO DISPLAY
FAN SPEED HIGH
DC READING 42,33, 13,5
CLUE IS BIOS CORRUPTED
💥 ANOTHER ENGINEER TRY BUT FAIL
🤗 THEN I TRY TO SOLVE
I AM TAKING ORIGINAL BIOS FROM PREVIOUS ENGINEER
🤗 ALREADY HE WAS WRITING BIOS
🤗 SO I DECIDED TO COMPARE BOTH BIOS
🤗 I SAW THAT BOTH BIOS R DIFFERENCE CSE ME ORGINAL IS 11.5.0.1003 AND HE WAS WRITING LOWER VERSION OF CSE ME 11.0...
🤗 SO I DECIDED TO UPDATE ORIGINAL BIOS WITH FITC TOOLS.
🤗 I JUST UPDATED INTO 11.5.50.3000 MAY BE
🤗 POWER ON BUT FAN SPEED HIGH 🤣 AND NO DISPLAY
🤗 I JUST WASH SOC WITH ISOPROPYL AND HEAT IN OVEN 10MINTS
🤗 MOTHERBOARD COOLING WITH HIGH SPEED FAN
🤣 PUT THE DC METER AUTO POWER ON
💥 AFTER RESTART DISPLAY BOOM💥💥💥📱
ALHAMDULILLAH
I AM SO MUCH THANKS FULL TO RAFI SIR FOR HIM MAGICAL BIOS DVD.

💥 CD3301 IC BYPASS DATA FEEDBACK