Hard Disk RepairHow to clean corrosive spots on HDD PCB DATARECOVERYUNION.COM9 years ago6 years ago01 minsHow to do if you find some corrosive spots on the hard drive PCB board, as the below photo: The spots can be easily cleaned by a rubber. Post Views: 984Post navigationPrevious: Western Digital Controller Board burntNext: Samsung Hard Drive PCB Circuit Boards