Replacing on board NIC

[J]

On Mon, May 30, 2016 at 9:50 PM, Jim Byrnes <jf_byrnes at comcast.net> wrote:
> Running Ubuntu 14.04.
>
> I recently upgraded my internet speed to 150 mbps. On my HP desktop I only
> get 1/3 of the speed advertised.
>
> 00:0a.0 Ethernet controller: NVIDIA Corporation MCP77 Ethernet (rev a2)
>         Subsystem: Hewlett-Packard Company Device 2a81
>         Kernel driver in use: forcedeth
>
> On my HP laptop I actually exceed the advertised speed.
>
> 00:19.0 Ehternet controller: Intel Corporation 82579LM Gigabit Network
> Connection (rev 04)
>     Subsystem Hewlett-Packer Company Device 18df
>     Kernel driver in use: e1000e
>
> I ordered a Intel Gigabit CT PCI-E Network Adapter EXP19301CTBLK for the
> desktop.
>
> 1. Do I need to disable the on board nic before installing it?

Only if you don't wish to use it.  You can change which device is the
one being used via Network Manager.

> 2. What will I need to do about a driver?

Nothing.  It should be detected and use the e1000e driver, I believe.