Hi dirk1,

Make sure the distance of the system and the router is not more than 30 ft.

To get the maximized the performance of 'Wireless Card' installed in the laptop:

• Right-click the 'Computer' icon on the desktop or from the 'Start menu'
• Click 'Manage'
• Click 'Device Manager'
• Click the + sign to expand the 'Network Adapters' entry
• Right-click the wireless adapter and click 'Properties''
• Click the 'Advanced' tab to configure the advanced settings
• Select Power Management, uncheck Default / Auto, and move the slider to Highest / Maximum Performance.

Note: If the slider is already at Highest / Maximum Performance, move the slider to another setting and then back to Highest / Maximum Performance.

Check if the issue is fixed. If the issue still persists, you can try changing the properties of the network card in Device manager. Below are the steps:

• Click on 'Start' and right click on 'Computer'.
• Click on 'Manage' and click on 'Device Manager'.
• Go to 'Network adapter' and right click on the wireless card driver and click on 'Properties'.
• Click on 'Advanced' and select “Channel” and change it to '11' on the right side.
• Select 'Roaming aggressiveness' and change is to 'Highest'.
• Click on 'Apply' and then 'Ok'.
• Check if the issue is fixed.

In case the issue is not resolved, uninstall and re install the wireless driver:

• Click on 'Start' and right click on 'Computer'.
• Click on 'Manage' and click on 'Device Manager'.
• Expand 'Network' and right click on the wireless driver. (Check the name of the driver which will help you re installing the driver)
• Click on 'uninstall'.
• Once the driver is uninstalled, click on 'Start' and click on 'Control panel'.
• Click on 'Programs and features' and look for the application of the wireless card.
• Right click on it and click on 'uninstall'.
• Restart the system.
• Click on the link: http://dell.to/QQaRri
• Click on 'Download Now' and select 'Single file download'.
• Click on 'Continue'.
• Click on 'Save' and save the driver on the desktop.
• Right click on the driver from the desktop and click on 'Run as administrator'.
• Install the driver following the on screen instructions.
• Restart the system and check if the issue is fixed.

If the issue still persists, update the BIOS:

Please find the link for BIOS update: http://dell.to/YeNTxi

Note: The ac adapter should be connected and the battery should be at least 10% charged. Please disconnect all the external devices connected to the system before updating the BIOS. Please save all the unsaved data as your system will restart automatically while updating the BIOS.

• Click on the above link.
• Click on 'Download Now'.
• Select "Single-file Download" and click on "Continue".
• Click on "Run" and follow the on screen instructions.

Keep me updated. Please reply for any further questions.