MST Technician demo class

MST Technician demo class

Basic Troubleshooting Techniques Laptop Troubleshooting: No Power On: Check the power adapter and battery. Testing the power button and motherboard. Use a multimeter to check for faulty power circuits. Overheating: Clean fans and heat sinks. Replace thermal paste. Check cooling system for defects. Display Issues: Inspect the screen cable. Test the motherboard for GPU issues. Keyboard/Trackpad Problems: Check connections, clean dirt, and replace faulty parts. Mobile Troubleshooting: Screen Not Responding: Check the touchscreen digitizer connection. Test for liquid damage. Battery Not Charging: Check the charging port for damage. Test the battery with a multimeter. No Signal/Connectivity Issues: Check antenna connections. Inspect for software or hardware issues (e.g., network IC failure). Audio Issues: Test the microphone and speaker connections. 4. Step-by-Step Demonstration Laptop Repair Demo: Replacing Laptop Battery: Power down the device. Remove the screws and battery compartment cover. Disconnect and replace the battery. Repairing a Cracked Screen: Power down the laptop. Use heat tools to soften the adhesive. Detach and replace the screen. Fixing Overheating: Open the laptop, clean the fans. Reapply thermal paste on the CPU or GPU. Mobile Repair Demo: Replacing a Mobile Screen: Power off the device and use a heat pad to loosen the adhesive. Detach the screen using plastic prying tools. Disconnect the old screen, attach the new one, and seal the device. Replacing a Mobile Battery: Open the back cover or heat the front (if sealed). Disconnect the battery and remove it. Insert a new battery and reassemble the phone. 5. Common Problems and Solutions