Hi gilbertooo,
Your computer is shipped with Dell Wireless 1397 card. You may download the driver for your computer from link: http://dell.to/10VHoOd
@ Khow123: You need to install the wireless driver for your computer. For unknown device, you may try installing the ST Microelectronics driver from link: http://dell.to/17ZL3Bc
To install the correct driver for your wireless card, you need to check the wireless card shipped with your computer from system configuration webpage. You can click on the link: http://dell.to/137Ex95 > Enter the service tag > Under 'Original system configuration' Tab check wireless card shipped with your computer and install the appropriate driver.
In case the issue persists, you may provide me the hardware ID of the device for which driver needs to be re-installed. You may access the hardware ID by following the steps below:
Open Device manager --> Right click on the device with yellow exclamation or red cross -- > Properties -- > Then select 'Details' tab. Select Hardware ID by expanding the Device description Drop down menu.
@ jnwosu36: I have a limited knowledge about the third party system manufacturers. If you get a yellow exclamation mark in 'Device manager' on Network controller (wireless) and Display adapter (Video card), you might need to re-install drivers for same. You may install drivers for same from the system manufacturer's website.
Please reply for further clarifications.