Using recovery mode
How to boot into recovery mode, useful for determining and fixing boot issues.
1 Boot into GRUB
Turn on the laptop and tap the esc key repeatedly.
Stop pressing the esc key when the star logo disappears.
The below menu should appear:
2 Too many ESC's
If you see the below prompt, you have gone too far.
Restart your laptop and repeat the first step.
3 Select Recovery Mode
Use the arrow keys to select Advanced options for Ubuntu. You will then be presented with the below menu.
Use the arrow keys to select the second option in the list that ends with (recovery mode).
4 Boot into Recovery Mode
Press enter to start the laptop with the selected recovery mode.
You will shortly see the below menu.
5 Recovery Options
Below is a brief description of the available actions and what they can be used for.
Exits recovery mode and starts the laptop normally.
Removes all leftover install files for currently installed programs.
Resumes any incomplete program installs. Typically used when an operating system upgrade is interrupted.
Checks all file systems for errors and if found, attempts to repair the errors. Typically used when the laptop has experienced a sudden loss of power.
Scans the SSD for any available operating systems and adds them to the grub boot loader.
Enables networking to allow access to the internet. This does not connect you to your wireless network.
Enters a terminal based shell prompt. This can be used for a variety of things including:
- Installing and removing software
- Editing configuration files
- Manually repairing grub
6 Connect to Network
To connect to a wireless network, use the below command replacing NETWORK with your network name and PASSWORD with your network password:
iwconfig wlan0 essid NETWORK key s:PASSWORD