The Inspiron 3135 computer from Dell makes use of the Realtek PCIe GBE network card. This hardware has been used in other computers from Dell such as the Inspiron 3138 as well as the Inspiron 3043 amongst other computer systems. You can download the network card driver for the Inspiron 3135 below which is a Windows 10 driver for both 32bit as well as 64 bit operating systems.
Inspiron 3135 : Network Driver PCIe GBE Realtek
Download the zip file below with the Inspiron 3135 network driver in from Realtek. Once the file has been downloaded then open the file and click on the install file inside. This will then proceed to install the driver. If it does not install then you will need to look at the C:\ driver on your computer as the installer would have made a Dell directory on the computers hard drive. Enter the directory and click on the install driver there. This will install the driver if it did not install already. Its very easy to do. Note that this was the last Realtek driver released for this computer and it was released in October 2015. You can also see the driver version listed below. Search this website for other driver software for this computer.