HP DV4 White Screen Problem 📌 Product: – HP DV 4 🤔 Problem: – Laptop Display is White. 🛠 Faulty Product : – LED Screen. 🔍 💊💉 Diagnosis & Solutions: –Check and found display become white after some time . 1st check all requirement of LVDS found ok.  Cross check with Working LED and LVDS Cable and confirm that LED Screen is faulty so […]

Dell Laptop 5520 Multi Problems 📌 Product: – Laptop Dell Inspiron 5520 🤔 Problem: – No Power and connection Adopter Light of Adopter goes off(19 V Short). 🛠 Motherboard P/N: – LA-82413 🔍 💊💉 Diagnosis & Solutions: – Check and found one pf short in 19V Line remove this 19 Volt problem solve but 3/5 not generating. Customer was to

Laptop :- HP Pavilion g6 (DA0R13MB6E1) Problem :- No Display. Diagnosis :- Run With DC Power Suply. Found Amp Rating is 1.30amp. So 1st dry sholder the board(Same Probelm) . Then Programe both Bios Display come but with in 30 sec. again no display. Then Replace the Main BIOS ic and programe it. Problem Solved.

📌 Product: – Laptop Acer Aspire One D257 🤔 Problem: – Some time power on some time not power on. 🛠 Motherboard P/N: – DAOZE6MB6E0 🔍 Diagnosis: – Checks and found one bipolar transistor in thermal protection section getting excess heat. 💊💉 Action done: – Replace this transistor. Problem resolved.

Make Model :- Acer 4750 Problem :- Internal Keyboard Ctrl Key not working. Diagnosis :- Check and found I/O pin track out form Keyboard Connector Pin . Solution :- Provide Jumper form I/O pin 50 to Keyboard Connector Pin no 4 . Problem Solved.  

Model :- Dell 3521 Problem :- Some time Charging then some time not work. 👨‍💻 Diagnosis :- Check and found rust in charging section clean it then in cold test found 2nd mosfet short replaced but new mosfet heating So check in hot mode found ACOK voltage not stable so replace Charging IC problem resolved.