Connect to wireless network on laptop sometimes cause a headache, because connection to WEP/WPA works for some time, but then the connection drops. Having these problem on Dell Inspiron 1520 notebook running Vista and not finding solution anywhere, you can try applying these solution we have provided below.

Sometimes, connecting to wireless can be resolved by doing a system restore on the OS. This is step-by-step how you restore the system:
- Click Start
- Click search and type in the bar “system restore†(without quotes)
- Follow the on-screen instruction and restore to the date you remembered that the connection worked.
If doing system restore doesn’t resolve your problem, the connection still drops and you are unable to connect to wireless network, you might want to check whether the device you are trying to connect works or not.
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