1. Download ubuntu 14.04 LTS mirror software
2. Make a U disk boot and installation disk
Produced by UltraISO or produced under ubuntu (the official website has an introduction)
3. Install ubuntu system
1 Enter bios and select usb to boot
2 After restarting, enter the menu and choose to install ubuntu
3 In the installation type interface, select "Other Options"
4 Click the free area, select Add, and mount the relevant partition as follows:
Serial Number / Partition Type / Size / Start Type / File Type / Mount / Description
1) / logical partition / 200M / start / Ext4 log file / /boot / This partition is the boot partition, generally 200M is enough
2) / logical partition / 5000M / start / swap space / none / swap partition swap, generally not larger than physical memory
3) / logical partition / 16000M / start / Ext4 log file / / or /root / system partition, used to install the system and software, generally 20G, can also be multi-point
4) / Logical partition / Number of remaining space / Start / Ext4 log file / / home / home partition, storing personal files
5 After the partition is set, check the number of the boot partition, select the number of the /boot partition under "Install the device that starts the boot partition", and click Install
6 Follow the prompts to install
4. Use EasyBCD to create a boot system (if it is ubuntu to start windows, this step can be omitted)
slightly