I'm wondering if there's a command I can write in Terminal to search for and update any outdated things (like network drivers, adapters, etc)?
I have a Lenovo ideapad. When it ran Windows 7, the Internet was perfect.
Output of lspci -knn | grep Net -A2:
03:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2200 [8086:0891] (rev c4)
Subsystem: Intel Corporation Centrino Wireless-N 2200 BGN [8086:4222]
Kernel driver in use: iwlwifi
I believe you're asking about: How do I determine if my drivers are up-to-date on Ubuntu.
For starters, you should post the results of lshw -short and nano /etc/os-release to provide hardware and OS information about your current build.
Now, assuming I interpreted your question correctly, the first thing you want to do is make sure your applications are up to date, so run the following:
sudo apt-get update
sudo apt-get autoremove
Once done here, click on your Unity Dash and search for checkbox, run the tests within this application. This will perform some automated tests (along with tests requiring user input).
Just a side note: Refer to Rmano's answer here about how Linux uses generic drivers.
Now as for the software side of things, if you're still under the impression there are delays, try another browser and see if it software related. To begin testing I would recommend is installing nethogs and bmon and do some investigation, are there applications that seem to be over-utilizing the network card? If you need a GUI to assist, try etherape.
Here is the community fix to an issue relating to yours:
Fix the bug in Debian Avahi-daemon
The slow WiFi in Ubuntu problem could also be related to a bug in Avahi-daemon of Debian. Ubuntu and many other Linux distribution are based on Ubuntu so this bug propagates to several Linux distributions. To fix this bug, you have to edit the nsswitch configuration file. Open a terminal and use the following command:
sudo gedit /etc/nsswitch.conf
This will open the configuration file in gedit so that you could edit it easily in GUI. In here, look for the following line:
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
If you find this file, replace it with the following line:
hosts: files dns
Now restart the PC and see if the speed improves.
Here are some links to questions that relate to this issue:
If this has not assisted, view the article here on "how to speed up internet"
