ซ่อมและแก้ไขปัญหาคอมฯ

https://www.dropbox.com/s/9r6dqx5i7wobux1/%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%81%E0%B8%81%E0%B9%89%E0%B9%84%E0%B8%82%E0%B8%84%E0%B8%AD%E0%B8%A1%E0%B8%9E%E0%B8%B4%E0%B8%A7%E0%B9%80%E0%B8%95%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%95%E0%B8%B1%E0%B8%A7%E0%B9%80%E0%B8%AD%E0%B8%87.pdf