How To Repair USB Flash Drive
“USB Device Not Recognized” Symptom
Many times we see flash storage that is not recognized by the Operating System due to hardware problems. You can troubleshoot it by follow the steps given below:
Step- 1. Open the Case gently with a putty knife or strong blade.
Step- 2. Peel out circuit board.
Step -3 Physically examination for any damage or broken component and traces with magnifying glass.
Step – 4 Resolder connector first then connect device with pc and check the problem gone away. If not do the next step.
Step – 5 Resolder all components around the connector and controller chip. Especially check fuse type of resistors. Sometime the value of resistors increases.
Step -6 Resolder Oscillator crystal (usually 12 MHz). And reconnect device with pc if work it’s ok otherwise replace crystal.
Note: – If same package of crystal oscillator is available then arrange a 12 MHz crystal oscillator from existing USB device like USB memory card reader, USB drive or etc and make connection as below.
1) Remove crystal
2) Take two wire and crystal Solder the wires to crystal
3) Solder wires and crystal Sold crystal to appropriate place
Adjust crystal in the case and now the device is ready to check
I hope these steps will be helpful to you. However if all efforts failed to gain your goal, don’t worry there are other methods to recover your important data.
Visit this authors