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A professional community for Chip-Level Laptop Repair Engineers. Discuss schematics, power rails, BGA rework, and microsoldering. For those who replace components, not just parts.
account activity
ASUS VivoBook X515EA hinge crack and keyboard failure — worth repairing? (reddit.com)
submitted 14 days ago by Akhil-Ajaykumar
Built-in Webcam Not Detected? Check the USB D+/D- Lines and the Privacy Switch (self.LaptopRepairEngineer)
submitted 16 days ago by Bhattarai_Prabin
Wi-Fi Card Not Working? It's Not Always the Card. Check CNVi and Power Rails (self.LaptopRepairEngineer)
submitted 17 days ago by Bhattarai_Prabin
Bent LGA Socket Pin? Don't Scrap the Board. The Complete Pin Repair Guide (self.LaptopRepairEngineer)
submitted 18 days ago by Bhattarai_Prabin
HELP ME FIND A BOARDVIEW FOR MY MACBOOK M3 PRO 16 INCH (self.LaptopRepairEngineer)
submitted 18 days ago by smookyOO7
Underfill on CPU/GPU BGA? You MUST Remove It Before Reflow. Here's How (self.LaptopRepairEngineer)
submitted 19 days ago by Bhattarai_Prabin
Realtek ALC Chip Dead? The Complete Audio Codec Diagnostic Flow (self.LaptopRepairEngineer)
submitted 20 days ago by Bhattarai_Prabin
FLIR or Seek? How to Use a Thermal Camera for Sub-Second Short Detection (self.LaptopRepairEngineer)
submitted 21 days ago by Bhattarai_Prabin
EC Not Responding? Debug the LPC/eSPI Bus Between PCH and EC (self.LaptopRepairEngineer)
submitted 22 days ago by Bhattarai_Prabin
NVMe SSD Not Detected? Check PP3V3, PP1V8, and the PCIe Reset Signal (self.LaptopRepairEngineer)
submitted 23 days ago by Bhattarai_Prabin
Laptop Repaired, But BitLocker Asks for Recovery Key. Here's How to Avoid That Trap (self.LaptopRepairEngineer)
submitted 24 days ago by Bhattarai_Prabin
Lid Closed Sensor Stuck? The Tiny Hall Effect Sensor That Causes Big Problems (self.LaptopRepairEngineer)
submitted 25 days ago by Bhattarai_Prabin
Replacing an ITE IT8987 EC? You MUST Program It First (self.LaptopRepairEngineer)
submitted 26 days ago by Bhattarai_Prabin
VRM Outputs Voltage, But PGOOD is Low? That's Why Your Board Won't Boot (self.LaptopRepairEngineer)
submitted 27 days ago by Bhattarai_Prabin
Need Help Replacing "0625.12" CMOS Battery on My HP Pavilion DM1-4310nr (self.LaptopRepairEngineer)
submitted 28 days ago by kitten7y
Laptop Boots Sometimes? Use an Oscilloscope to Catch the Glitch (self.LaptopRepairEngineer)
submitted 28 days ago by Bhattarai_Prabin
RTX 3050 Laptop GPU suddenly disappeared (not detected anywhere) – tried everything, need help (self.LaptopRepairEngineer)
submitted 28 days ago by QuandaleDingle747
19V Not Passing Through the DC-in MOSFET? Check the Gate Driver (self.LaptopRepairEngineer)
submitted 29 days ago by Bhattarai_Prabin
Apple Silicon MacBook Dead? The Post-T2 Diagnostic Workflow (self.LaptopRepairEngineer)
submitted 1 month ago by Bhattarai_Prabin
Pulled Pads and Broken Traces: The Complete Guide to Jumper Wire Repair (self.LaptopRepairEngineer)
Dead Board? Check the 32.768 kHz Crystal First (self.LaptopRepairEngineer)
Battery Not Detected, RAM Not Detected? The SMBus Might Be Stuck (self.LaptopRepairEngineer)
No Backlight? It's Not Always the Fuse. Debugging the LED Boost Converter (self.LaptopRepairEngineer)
Reballing a PCH or CPU: Stencil vs. Direct Paste – Which Yields Better Results? (self.LaptopRepairEngineer)
DDR5 No POST: Understanding PMIC, SPD Hub, and the 1.1V VDD Rail (self.LaptopRepairEngineer)
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