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OPNED CHECKED VOLTAGES...RAM AND 1.05V OK FOUND

7 BEEPS ......SIR KA WORD "DON'T NEED ANY BEEP CODES...

DC POWER SUPPLY READING...

PROBLEM :NO DISPLAY...

LAPTOP INSPIRON 5110.......MOTHERBOARD DQ15 UMA....

💥💥AJAY -AN AFS STUDENT💥💥 💥💥TARGET 18/100💥💥

☘️☘️☄️CASE STUDY💥☘️☘️

Watch "#LAPTOP #CHIPLEVEL #REPAIR #CORONA WEBSERIES EPISODE 01" on YouTube https://youtu.be/0oWPNw-9LFM

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💥 Macbook case study made by AFS STUDENTS

This macbook backlight problem was solved. When got this macbook its liquid damage case then open macbook there rust on backlight ic then clean it macbook turn on and display come but backlight flickering problems after I reflow backlight ic but still same problem then see care fully one resistor is dry i resolder it when re-solder it backlight totally gone then open schematic and its R7731 200k resistor its make enable voltage for backlight ic via using voltage divider but and board like and no have same size resistor after little bit struggle i find 200k resistor but size problem then I remember rafi sir practical workshop. Phale karna fir sochna its done i got backlight