The Dell Inspiron 6000 is a laptop computer released in 2005. The integrated network connection for this laptop does not include a wireless application, but a separate PC card is available for wireless accessibility. To reinstall the Wi-Fi service, you will need to delete the existing connection, reinstall the driver for the card and establish a new connection.
Click on the "Start" button then select "Control Panel."
Double-click on the "Network Connections" folder in the Control Panel.
Right-click on the wireless network icon on the Network Connections screen and select "Delete" from the options in the menu.
Press the "OK" button when the warning dialogue box appears.
Move down to the right side of your desktop and click on the "Safely Remove Hardware" icon. This will be the graphic with a green arrow pointing to the left.
Stop the application for the Wireless Network PC card. Once prompted, remove the card by pressing the eject button the right side of your laptop.
Reinsert the card and let the laptop detect it. Your computer will reinstall the driver for the card.
Return to the Network Connections screen. Select "Create a new connection" from the left side of the screen.
Follow the instructions on the set-up wizard to reinstall Wi-Fi on your laptop.