First of all check the wires and Wireless network adapter

• One of the first things you should do is check your wired network connections.
• Make sure the network cable connections among the modem and your router and wireless access point have secure connections.
  

You should change the channel

• Interference is the most common reason of the network connection failure.
• All Wi-Fi devices have access to 11 different channels within the 2.4GHz frequency.
• You may be able to solve the problem by changing the channel on your wireless access point and your wireless network card.

Upgrade the Window by installing the Windows SP2

• If you are using WinXP and have not yet made the jump to SP2.
• For this to access the repair command, right-click the Wireless Network Connection icon in the notification area of the taskbar and select Repair in the context menu. WinXP will refresh your wireless network connection.
•  It will also flush the ARP, NetBIOS and DNS caches.
• And if you are using DHCP, the Repair command will also release and renew your IP address lease.

You must ensure the driver compatibilityYou have to be installing the correct device driver for your wireless network adapter.Once the correct driver was installed, everything began to run smoothly.Change the location of your antennaIf you change the location of your antenna it’s quit possible that the network connection problem does not occur again.Directional antennas are suitable for environments where you have a direct line of site from one access point to another and from access point to client; the signal travels in a straight line.Make the good network settings.Encryption Keys In Windows XP, on the Association tab of your wireless network properties dialog box, verify that your network key has been entered correctly and is valid for the network you are attempting to connect to.

MAC Address Filters

• Verify that the problematic client’s MAC is in the address list.
• This will only permit clients with the specified MAC Addresses to communicate with the network

DHCP Addresses

• Some of the newer access points on the market come with their own DHCP server which usually assigns addresses in the 192.168.0.x range

Wireless network connections repair in Windows XP
To troubleshoot wireless network connections in Windows XP, follow these steps:

1. Check the Windows XP-compatible driver that is available for your wireless adapter.
2. Recognizes the Windows XP Wireless Zero Configuration service. To do this, follow these steps:
3. Press Start, and then click Control Panel.
4. In the right pane, click Network and Internet Connections.
5. In the right pane, click network connections.
6. Right-click Wireless network connection and then presses properties.
7. View the available options.
8.  You can view the Wireless Network Connection icon.

After having read this article you should be familiar with common wireless network connections problems and what you can do to fix them. I hope that you will now be able to follow these steps when a wireless problem occurs and take the necessary action in solving such Wireless network problems.