I'm in hot water, please help.

The problem background: a customer called for PC service, as I checked, his harddisk was going to die. so I told him to bring computer to my workshop. since I started working on the harddisk, I also found the power supply fan and CPU fan wasn't working either. I replaced the near-dead harddisk, CPU fan and PS fan, load win95B and restore all settings (workgroup, protocols, ...). As required, I was asked to ensure the computer can connect into network.
The problem: now, the computer couldn't see the network, in Network neiberhood, sometimes it can see itself, sometimes sees nothing (not even itself!). The harddisk is shared, and protocals and workgroup name are same on other computers. The cabling is Coaxial connected to BNC T connector (end with terminators). the strange thing is, as I understand, a coaxial peer to peer network cannot work if the mid of cable is broken, but when unpluged pc (and cable from back), the rest computer on network can still share printer, harddisks, ..., the broken link didn't bring the network down! Customer said he did nothing but unplug the pc so he can bring it to me, and the computer as I saw before, was part of network. How could this be, how can this network work? I need to make it work before weekend or I'm in deep trouble.

Anyone has any idea? please help.

Jun Qian

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