Ubuntu kernel Problem

1. Switch on your computer.
2. Wait until the BIOS has finished loading, or has almost finished. (During this time you will probably see a logo of your computer manufacturer.)
3. Quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If you see the Ubuntu logo, you've missed the point where you can enter the GRUB menu.)
4. Select the line which starts with "Advanced options".
5. Select the line ending with "(recovery mode)", probably the second line, something like: Ubuntu GNU/Linux, with Linux 3.8.0-26-generic (recovery mode)
6. Press Return and your machine will begin the boot process.
7. After a few moments, your workstation should display a menu with a number of options. One of the options (you may need to scroll down to the bottom of the list) will be "Drop to root shell prompt". Press Return with this option highlighted.
8. The root partition is mounted read-only. To mount it read/write, enter the command
   mount -o remount,rw /
9. If you have /home, /boot, /tmp, or any other mount point on a separate partition, you can mount them with the command
   mount --all (This must be done following step 8 so that /etc/mtab is writable.) Alternatively, you could try selecting "Enable networking" in step 7, though this has been found to cause the system to hang (see https://bugs.launchpad.net/ubuntu/+source/friendly-recovery/+bug/981792).
   

NOTE 1: If you have Ubuntu Quantal (12.10) or earlier, omit step 4 (the recovery mode menu items are displayed on the top-level menu).
NOTE 2: If you reboot, there is no need to hold the Shift key in step 3. The GNU GRUB menu will continue to be displayed automatically on each boot until a normal startup of Ubuntu completes. To configure GRUB so the menu is always displayed, even after a normal startup, see https://help.ubuntu.com/community/Grub2/Setup.

if you are running linux ubuntu


http://www.howtogeek.com/howto/linux/reset-your-forgotten-ubuntu-password-in-2-minutes-or-less/ Click "Applications" and then click "Accessories" on the top taskbar in the Ubuntu desktop. Click "Terminal" to open a terminal window. Type the following command at the Linux prompt and press the "Enter" key: sudo passwd To change the Administrator account password, the password of "root" is changed. The "sudo" command gives the current user temporary Administrator access, in this instance, to change the password of "root." First, the user will see a Unix prompt asking for the current user's password. Type the user password for the current user account. Press the "Enter" key. Next, Unix will prompt the user for the new password for "root." Type the new password for "root." Press "Enter." Finally, a Unix prompt will require a confirmation of the password. Retype the new password for root, and press "Enter." The Administrator (root) account password for Ubuntu is now reset or Boot computer into recovery mode. Reset your computer and as it is booting, hold down the "Shift" key on your keyboard. You will be presented with the boot menu. Select "Recovery Mode" from the boot menu. It is usually the the second boot option. Wait for computer to boot up. You will be presented with the Recovery Menu. Select "Drop to Root Shell Prompt." Type "ls /home" and press "Enter." Note: The command starts with a lower case L, not a capital i. You will be presented with a list of usernames of accounts installed on the computer. Type "passwd username" where username is replaced by the name of the account you want to reset. For example, if the username of your account was "jeff" you would type "passwd jeff" and press "Enter." You will be prompted to create a new password. Enter a new password of your choosing. Note: You will see no visual response when you type in your newly selected password; however, the computer still will register the input. Press "Enter." You will be asked to retype your password. Re-enter the same password and press "Enter." Your password is now reset. Type "Exit" to return to the boot menu and select "Resume Normal Boot" to restart Ubuntu.

Click "Applications" and then click "Accessories" on the top taskbar in the Ubuntu desktop.

Click "Terminal" to open a terminal window.

Type the following command at the Linux prompt and press the "Enter" key:

sudo passwd

To change the Administrator account password, the password of "root" is changed.

The "sudo" command gives the current user temporary Administrator access, in this instance, to change the password of "root."

First, the user will see a Unix prompt asking for the current user's password.

Type the user password for the current user account. Press the "Enter" key. Next, Unix will prompt the user for the new password for "root."

Type the new password for "root." Press "Enter." Finally, a Unix prompt will require a confirmation of the password.

Retype the new password for root, and press "Enter." The Administrator (root) account password for Ubuntu is now reset

or

Boot computer into recovery mode. Reset your computer and as it is booting, hold down the "Shift" key on your keyboard.

You will be presented with the boot menu.

Select "Recovery Mode" from the boot menu.

It is usually the the second boot option.

Wait for computer to boot up.

You will be presented with the Recovery Menu. Select "Drop to Root Shell Prompt."

Type "ls /home" and press "Enter." Note:

The command starts with a lower case L, not a capital i.

You will be presented with a list of usernames of accounts installed on the computer.

Type "passwd username" where username is replaced by the name of the account you want to reset. For example, if the username of your account was "jeff" you would type "passwd jeff" and press "Enter." You will be prompted to create a new password.

Enter a new password of your choosing.

Note: You will see no visual response when you type in your newly selected password; however, the computer still will register the input. Press "Enter."

You will be asked to retype your password.

Re-enter the same password and press "Enter."

Your password is now reset.

Type "Exit" to return to the boot menu and select "Resume Normal Boot" to restart Ubuntu.

hope this helps

In Ubuntu 9.04 click on the main icon and select Restart.

- If Ubuntu is the only operating system on your computer you'll need to tap the ESC key as the system boots.

- If you have a dual boot or multiple-boot system the menu should appear on its own.

- At the root level you'll get a boot menu. Select the one that says "recovery mode" and press Enter.

- Ubuntu continues to load until you reach the Recovery Menu.

- Arrow down to "
netroot

" which states Drop to root shell prompt with networking and press Enter.

- Now, at the root type "
password username

" (where username is the account whose password you want to change) and press Enter.

- You'll be prompted to
enter a new password

.

- You will not see the password or any evidence that you are typing.

- Retype the password. If both passwords match you'll have successfully reset your password.

- Press Enter to continue booting into Ubuntu.

hope it helps

When Ubuntu boots, select Esc for the boot menu (Grub) and select recovery mode. Ubuntu will then boot w/o asking you for a password signed in as root. Type passwd USERNAME and it will reset your password. source:http://in.answers.yahoo.com/question/index?qid=20110608030342AArlwua

I think, this problem happened because you are installing Ubuntu from the ISO image on your physical hard drive.

Here is the way around this problem. when you get to the option to unstall Ubuntu, press F4 and choose Safe graphics mode. then choose the first option on the menu:Try Ubuntu without any change to your computer.

If you still get the same problem do this:
At the prompt, press F4 and select "Safe graphics mode".
then press F6.
Modify the following boot line:
"Boot Options seed/ubuntu.seed boot=casper initrd=/casper/initrd.gz quiet splash -" Delete the part that says "quiet splash "" -" and replace it with "vga=791 noreplace-paravirt"

That will make Ubuntu boot onto the GUI. After logging into Ubuntu Interface you should be able to see an installation folder on the desktop:

Click on the Install folder. The installation wizard should come up:

Select the language and click Forward. Next Choose your location:

Choose your city, and click Forward. Don't worry if the time zone is not OK, you can change that later when you login to Ubuntu.
Next, you will need to choose your Keyboard layout, if you are in the US, mostly all your options will be the default. If you are not in the US, choose your settings accordingly. Click Forward.

Next, you will need to prepare the disk space, remember that you chose to use 10 GB of hard disk space for this virtual machine, so select the default option, Guided "" use the entire disk.

Click Forward. Next, you will have fill out, your name, your username, password, and Computer name":

After you have entered the info, click on Forward. Next, you will get a summary of the installation. Click Install to begin the installation:

The installation should start.

After 20 "" 30 minutes, the installation will finished, and will ask you if you want to reboot. At this stage Ubuntu is installed on your computer permanently.

Click on Restart now. Now Ubuntu should be installed and ready to be used on your virtual PC

Hello,
Please try switching just to Analog Stereo Duplex mode only. When you do this, the linux kernel will only load the ALSA(Advanced Linux Sound Architecture) drivers for the Audio Device, which works in all cases. If that fails, go to System>Preferences>Main Menu and enable the Multimedia System Selection menu.When enabled, select ALSA Mixer default device ONLY.
Have a great day ahead. All the best.
Regards,
Brainiarc7

Backup, Repairing and Reinstalling GRUB

• To make a backup a copy of the existing menu.lst file use: cp /boot/grub/menu.lst /boot/grub/menu.lst.oldYou can try re-installing the grub using the Ubuntu Live CD, in two different ways.

GUI

1. Boot your computer up with Ubuntu CD
2. Go through all the process until you reach "[!!!] Disk Partition"
3. Select Manual Partition
4. Mount your appropriate linux partions / /boot swap .....
   
5. DO NOT FORMAT THEM.
   
6. Finish the manual partition
7. Say "Yes" when it asks you to save the changes
8. It will give you errors saying that "the system couldn't install ....." after that
9. Ignore them, keep select "continue" until you get back to the Ubuntu installation menu
10. Jump to "Install Grub ...."
11. Once it is finished, just restart your computer

-While booting your grub bootloader, press "e", enter the edit mode.

-Press "e" on the first line.

-(hd0,0) Change the last 0 to a 2, so it reads: (hd0,2).

-Press ‘b’ to boot.

Good luck.

Not exactly sure what you are saying... but you DO have a Duron 700? That is 32-bit. No x64 for you!

If that is not what you're saying. You are saying that you received an Xubuntu alternate distro from Ubuntu? Ubuntu comes in prepackaged distributions for i686 (i386, i486)-32bit and x64-64bit.

You can download the Xubuntu for free at
http://www.xubuntu.org/get

Select the Hardy Heron i686 version. When you install, the installer "should" select the best kernel for your system.