Hi, follow the steps found in your owners manual. That can be downloaded at this link.http://support.dell.com/support/edocs/systems/aximx51/en/om/om_en.pdf
Using Wi-Fi (802.11b)
Wi-Fi provides your device access to WLAN (Wireless Local Area Network.)
Short for wireless fidelity, Wi-Fi refers to any type of 802.11 network,
whether 802.11b, 802.11a, or dual-band. Wi-Fi certified products from
different manufacturers are interoperable.
NOTE: Mid and High configurations of the Axim have Wi-Fi 802.11b built in and the
drivers factory installed. For a Low configuration device, you must purchase the
802.11b SD card, insert it in your device, and load the drivers.
NOTE: The default Wireless Networking Client utility for your device is the
Dell WLAN utility. The following configuration steps are for the Dell WLAN utility.
Configure wireless networking for your device in one of the following
• Network Card is set up
• Wireless Network is broadcasting SSID
• Wireless Network is not broadcasting SSID
If the Network Card is Set Up
Normally the internal wireless card is already set up. There are times when
you must choose the network card. On the Axim X51/X51v configurations
that have built-in wireless, the network card is associated with the enabled
wireless. If wireless is not enabled or you are using a socket card for
wireless connection, then choose the network card:
1 Tap Start → Settings → Connections.
2 Tap Network Cards.
3 Choose either Internet or Work from the menu.
4 Choose the network card to connect to the network. For the
Axim X51/X51v with built-in wireless, choose Dell Axim X51/X51v
WLAN Wireless Adapter.
5 Choose whether the network card assigns an IP address or receives an
IP address automatically.
6 Enter the Server IP addresses if required and tap OK.
If the Wireless Network is Broadcasting SSID
1 Press the wireless button to enable wireless capability. The green LED
in the right top corner of the device indicates that the wireless
2 Tap Start → Settings → Connections.
3 To add, edit, or delete a profile, select the corresponding action and
tap Network Cards.
4 In the Configure Wireless Networks window, select one of the available
network names and tap OK.If the Wireless Network is Not Broadcasting SSID
The Configure Wireless Networks window only shows wireless networks
that broadcast a Network Name (SSID) and those that have been added.
Add the network if it is not listed. Contact your network administrator for
the following information:
• SSID (network name)
• Data Encryption
• Keys (if the key is not provided automatically)
• Log in if necessary
To configure the wireless network:
1 From the Configure Wireless Networks window, tap Add New.
2 Provide the Network Name (SSID).
3 Select either Internet or Work in the Connects To box.
• Selecting Internet allows you to connect to your network but you
will have to manually start a VPN connection, if needed.
• Selecting Work automatically starts a VPN connection any time
you connect to the network.
• If you are having trouble connecting to your network, change the
Connects To box to Internet.
4 Tap the Network Key tab.
5 Enter the Authentication and Data Encryption information. If a key is
required, enter the network key.
6 Select the 802.1x tab.
7 The Authentication and Data Encryption chosen on the previous
screen determines whether this screen is available. If available choose
the EAP type used on the network.
8 Tap OK.
9 If more than one network is listed, tap and hold the stylus on the
network name you want to connect to. A pop-up menu appears.
Tap Connect. After a few seconds you should see Connected next to
the wireless network you selected.