Detailed graphic tutorial on installing Ubuntu 20.04 dual system on Windows 10

win10 + Ubuntu 20.04 LTS dual system installation (UEFI + GPT) win10 installation (skip if already installed) ubuntu installation preparation Make a bootable USB disk for Ubuntu installation Empty a partition Turn off win10 fast boot BIOS settings Install ubuntu and see the desktop boot interface beautify Solve the dual system time problem

Win10 installation (skip if already installed)

For win10 installation, please see: Win10 U disk reinstallation system new installation U disk installation Ghost version Win10 system steps full diagram

Ubuntu installation preparation

Official website download mirror: https://ubuntu.com/download/desktop

Download rufus (official recommendation) https://rufus.ie/

If the download speed is slow, you can use the one I downloaded (including mirror and rufus): https://www.jb51.net/softs/86993.html

Create a bootable USB drive

Insert the USB drive, run rufus-3.10.exe, select as follows, then click Start and wait for completion

Free up a partition for Ubuntu installation

This computer -> Manage -> Disk Management, select a disk

Right click and select Compress Volume to compress a blank partition of more than 50G (I divided it into 100G)

Turn off win10 fast startup

Menu -> Settings -> System -> Power & sleep -> Additional power settings -> Choose what the power buttons do -> Uncheck Enable fast startup

BIOS Settings

Press F2 to enter BIOS setup (my computer is F2, please Baidu according to your computer model)
Secure Boot is set to Disabled

USB UEFI BIOS

Support is set to Enabled

UEFI/Legacy Boot is set to UEFI Only

After setting, save and exit

Install Ubuntu

Shut down the computer, insert the USB flash drive, start the computer and press F12 to enter the startup item settings (my computer is F2, please search on Baidu according to your computer model). Note that many tutorials on the Internet require self-partitioning. Here I did not choose self-partitioning. During installation, Ubuntu will automatically install on our unallocated blank disk, and Ubuntu will recognize the installed Windows. All our subsequent operations can be installed by default. If necessary, you can change it according to your own needs.

Default is the first entry

Waiting for inspection

Select language and operation (select according to personal needs), I choose Chinese (Simplified)

Keyboard layout (default)

Generally, the default

Select the installation type, install Ubuntu, and coexist with Windows Boot Manager (many installation tutorials do not recommend selecting this option, saying there will be problems, anyway, I have installed it this way since 16.04, and there have been no problems). There are also many options for installation on the Internet. If necessary, you can search for them yourself. Anyway, I find it troublesome (mainly lazy) and don’t want to partition it myself.

If you choose other options to install (this picture is what I found online), please select the free partition you have divided (non-manual partition installation)

Select the installation location, use the default one, it will automatically find the blank partition we created.

Select time zone

Fill in the account information (I guess you will fill it in, so I won’t go into details)

Next, wait and it's over.

If the following operations are not necessary, please skip them if necessary, close them if necessary, and enter a few small windows. You can skip them if necessary, move forward if necessary, and close them if necessary.

Then there are a lot of reminders about updates. If you want to update, update. If you don’t want to update, just close it. Do you see the little red X? Just click it and it’s done.

Click to perform this action now, and you will have the following mess

Apply to the entire system, then close

A password is required to apply to the entire system

Install immediately, also enter the password, and then install. It is recommended to close it directly and update it when you want. I find it troublesome and afraid, so I just close it directly.

Look at the desktop

Beautify the boot interface

Win10 + Ubuntu 20.04 LTS dual system boot interface beautification

Solve the dual system time problem

Time out of sync issue in Win10 + Ubuntu20.04 dual system

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