Windows XP Networking Guide : Troubleshooting
Some common network or connection problems are as follows:
- Wrong cables are used. For example, in Ethernet you must be
able to distinguish a straight-through cable
from a
crossover
cable. If you connect a computer to a hub, a switch, or a
router you must use a
straight-through cable. If you connect two computers directly, use
a crossover cable instead.
- Connectors are not plugged in correctly. Although it seems simple,
but it very often happens. So make sure every connector is tightly
attached to a computer port or a wall jack.
- Naming problem. You must assign a unique name for each computer
in your network and the same workgroup name for all computers in
your network.
- Your networking device doesn't have the right drivers. Be sure
to install the drivers that usually can be found in installation
CD.
- Wrong TCP/IP setting. Be sure to follow the guidance given by your
ISP regarding IP address and protocols setting when you configure your Internet connection.
And when setting up a home network (LAN), each computer must be
assigned a unique (private) IP address.
- File and printer sharing option is not enabled in a LAN
connection or it is enabled but the folder you want to share with
other network users hasn't been set up for sharing.
- Your ISP modem fails or your ISP network access server is down.
- Infrared devices are not aligned in a LOS (line-of-sight)
position or out of range.
- Bluetooth device is not
discoverable (in visible mode), not paired or out of range. Your
Bluetooth connection also might be slowed by the presence of too
many Bluetooth devices in its surrounding.
- A typo in wireless LAN name (SSID).
- Connection time out. A mobile device such as mobile phone usually
limits wireless link for a certain time period to save battery. So
during
wireless connection between your computer and a mobile device, if within
a time period there is not any data transfer, the link is dropped.
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