I was trying to do a test to friend’s laptop Fujitsu Siemens AMILO Pro V2000 Modelname FB21 (after he had done fresh installation to windows XP Prof SP2), with built-in wireless card : Intel® PRO/Wireless 2200BG Network Connection.

I tried to connect this laptop to two wireless routers ( Siemens SpeedStream 4200 and Netgear DG634 G) I could not!!!!!,,,,

While with my other laptop (Satellite Toshiba) I was able to establish a connection with both routers ( Siemens SpeedStream 4200 and Netgear DG634 G), I have used same configuration on both laptops.

I was not able to figure out where is the problem with friend’s laptop Fujitsu !!!! Any advice how can I troubleshoot where is the problem ?

Note
Now definitely the problem with the laptop , because by using two routers we have assured that there is nothing wrong with a router.

With Fujitsu Siemens I have used the fsc odyssey wireless client utility for configuration (shipped with the Siemens CD)

Dani AI

Generated

— because the other laptop could join both APs, focus on the client side. Typical causes after a fresh XP install are: the adapter driver or vendor wireless utility mismatches, the radio being disabled by a hardware/Fn switch or in BIOS, Windows wireless service not running, or a security-mode mismatch with the AP. Below are concise, high-value checks to do in order.

  • Check Device Manager: look for the wireless adapter, any yellow icons, or "Unknown device". If it shows errors, uninstall the adapter (right-click -> Uninstall), reboot, then install the correct driver from the vendor/Intel and reboot again.
  • Hardware/Fn/Bios: inspect the chassis for a tiny on/off switch or an Fn + Function-key combo that toggles radio power; also open BIOS setup and verify "Wireless LAN" is enabled.
  • Wireless client conflict: third-party utilities often conflict with Windows Zero Configuration. Either disable/uninstall the vendor client and enable the Wireless Zero Configuration service (Start -> Run -> services.msc -> Wireless Zero Configuration -> set to Automatic and Start), or keep the vendor client but be sure it is configured correctly. Only one manager should control the NIC.
  • Power management: in Device Manager -> adapter -> Properties -> Power Management, uncheck "Allow the computer to turn off this device to save power."
  • Security and visibility tests: temporarily disable AP encryption and/or set the AP to mixed b/g mode so the NIC can see it; also try making the SSID visible. If that works, re-enable the desired security and match settings exactly on the client.
  • Quick isolation: assign a manual IP on the laptop in the AP subnet to test connectivity, or try a known-good USB Wi‑Fi dongle to rule out hardware failure.

If those steps fail, try a clean driver package from the NIC maker (not an OS default), or test the card in another AP. Back up any vendor utility settings before uninstalling.

It is on dynamic IP and yes I did reboot the system

On Fujitsu Siemens I could not find any physical switch to be switched on, while on my Toshiba, there is such a switch.

Although SSID on both routers were enabled to be broadcasted on , it was not available in a wireless networks list for Fujitsu Siemens laptop !!!!!

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