Skip to main content

Unknown filesystem grub rescue> Error ubuntu

when computer shows    Unknown filesystem grub rescue>   on starting ubuntu  do these things to recover


---. Boot  your computer on a ubuntu live-CD or live-USB

---choose option "Try ubuntu without installation"

---Install Boot Repair  

    - open terminal then type  

         sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update

-press enter then type
 
 sudo apt-get install -y boot-repair && boot-repair 


----if you can't install Boot Repair from repository, dowload it from official  
website of Boot Repair

---After Installing open it and click the "Recommended repair" button . 
       this will fix your system 

---Reboot your system it will work fine


if your system is not fixed after this do the following(you have to install grub)

  --- If your linux partition is in sda10
sudo mount /dev/sda10 /mnt sudo mount --bind /dev /mnt/dev sudo mount --bind /sys /mnt/sys sudo mount --bind /proc /mnt/proc
sudo chroot /mnt(this show #)
sudo update-grub
grub-install  /dev/sda
                  exit
                 sudo umount /mnt/dev
                 sudo umount /mnt/sys
                 sudo umount /mnt/proc
                 sudo umount /mnt/




Comments

Popular posts

Android Sqlite and ListView Example

This is simple application which insert data into Sqlite database --and shows the data  from the database in a ListView ListView is not used in android Anymore . We use RecyclerView and CardView   in Android RecyclerView Demo is available on the following link http://androidtuts4u.blogspot.in/2017/04/android-recyclerview-example.html RecyclerView with CardView Demo is available on the following link http://androidtuts4u.blogspot.in/2017/09/android-card-view-example.html This  is the first Activity of application which shows data from database in listview. Register here buton will start a Registration Activity. Submit button will add data to database and show it in the ListView of MainActivity. Update can be performed by clicking ListView items.     you can download the source code of this project from  google drive   https://drive.google.com/folderview?id=0BySLpWhqmbbdS0dtT1R2TXdBWEE&usp=sharing click on the abov...

Simple Calculator in Android

You can view new updated simple calculator with ViemModel and LiveData in my new blog    https://androidtuts4u.blogspot.com/2021/10/simple-calculator-with-viewmodel-and.html To create a calculator first  we need to create the layout of the calculator. Layout  is created  using XML file given below <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent" >  <EditText     android:id="@+id/result_id"       android:layout_width="fill_parent"     android:layout_height="120dp"   />  <Button    android:id="@+id/Btn7_id"      android:layout_width="70dp"    android:layout_height="60dp"    android:layout_below="@id/result_id"   ...

Android List View using Custom Adapter and SQLite

following is a simple applicaton to create ListView using  Custom adapter.screenshot of the application  is like this . ListView is not used in android Anymore . We use  RecyclerView  and  CardView   in Android RecyclerView Demo is available on the following link http://androidtuts4u.blogspot.in/2017/04/android-recyclerview-example.html RecyclerView with Cardview Example is available on the following link http://androidtuts4u.blogspot.in/2017/09/android-card-view-example.html The ListView below the submit button is populated using Custom Adapter.Data is stored and retrieved using SQLite databsase. you can download the source code of this project from  google drive   https://drive.google.com/folderview?id=0BySLpWhqmbbdUXE5aTNhazludjQ&usp=sharing click on the above link ->sign into  your  google account ->add this to your google drive -> open it in google drive and download it. To create a simple ...