ubuntu doesn’t work :UUID=xxxx does not exitst

My computer has two systems, Windows 10 and ubuntu18.04. Today, when I tried to get into Ubuntu(I already laid it aside for about one week ), the whole screen showed pure purple for at least 10 minutes, so I forced the computer to shut down.Then when I tried to get into Ubuntu again, it showed :
[enter image description here][1]
Then I tried to open ubuntu in recovery mode,but the outcome was same.And I also tried this solution:https://forums.linuxmint.com/viewtopic.php?t=47594,doesn’t work either.
At last I run fsck.ext4 -y /dev/sda1(where the root is),and showed:
[enter image description here][2]
Anyone know how to deal with is issue?Any help would be appreciated!
[1]: https://i.stack.imgur.com/n0nw2.png
[2]: https://i.stack.imgur.com/xEiga.png

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Author: OilLight

GRUB not picking up windows boot manager which is in another drive

Ubuntu 18.04 LTS and Windows 10
I have a laptop that has an SSD and a hard drive
Windows is on the SSD and Ubuntu on the Hard Drive
I made a separate EFI partition while installing ubuntu using the “Something Else” option
When I boot my laptop I have to press “Esc” key to enter GRUB and it does not pickup the windows boot manager
Moreover, Ubuntu is not detecting the SSD
What to do ?
Please ask for any additional info required

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Author: Tanmay Bhatnagar

Can’t open GRUB in ubuntu 18.04

Its a dual boot i.e. windows 10 and ubuntu 18.04. Ubuntu is filled as preferred choice hence GRUB doesn’t come by default.
I went through many resources available and they all said press shift before the logo of ubuntu appears i.e. while the manufacturer logo is there in the screen( in my case its Lenovo ).
I have tried tapping shift continuously , long pressed shift and even kept it pressed before turning the computer ON but in none of the cases GRUB window opened. Have tried it with both left as well as right shift.I am trying to open ubuntu’s recovery mode.

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Author: Aaryan Gupta

Can’t run Google Chrome on Ubuntu 18/20

I’ve installed Ubuntu 20 LTS from official site with Rufus. And then I downloaded Google Chrome from google.com/chrome 64 bit.deb for Ubuntu
The first time I open, Chrome works nomally but after that time I can’t manage to open it, I tried to launch it from terminal/gnome it yeilds:
NaCl helper process running without a sandbox! Most likely you need to configure your SUID sandbox correctly
This also happens on Ubuntu 18.04
Any help is appreciated!

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Author: Phạm Văn Tiến