帮助

I am a retired telephone network switching maintenance technical officer, with a long held interest in diagnosing and fixing problems in most types of electro-mechanical and electronic equipment.

我曾参与过编写的指南

问题解答论坛

  • 回复: freezer is warm and fridge is warm
  • 回复: My phone is showing a warning code I've never seen before..
  • 回复: How to extend time for password reentry
  • 回复: Why does my computer barely work while charging?
  • 回复: Why can't people hear me unless I'm on speaker
  • 回复: Can the evf (Electronic View Finder) feature be repaired?
  • 回复: Need battery terminals please...
  • 回复: GPS will not charge
  • 回复: Airplane mode preventing access to my phone carrier.
  • 回复: Refrigerator cools but then thaws!

指南评论