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This screen will also have an notice to enter the BIOS configuration utility. Note the multiple selections on this screen, including the choice "Normal Boot", "Perform Disk Scan", and "Restore Factory Settings". For reference, this is the grub boot loader menu typically located at [/dev/sda1]/boot/grub/menu.lst.  .." entry, then press the E key again to edit this selection This screen will have a fairly long command. XANDROSBOOTDEBUG=y  You'll be taken to a command line mode with a pound # prompt. To do this, type the following and press ↵ Enter after each line.mount /dev/sda1 /mnt-systemmount /dev/sda2 /mnt-user

Summary:
Power cycle your laptop if needed, or power it on. Repeatedly press F9 when you see the first screen with Asus' logo. Wait for a boot menu to appear. Use the cursor arrow keys to highlight the "Normal Boot" entry if it's not currently selected, then press the E to edit this selection. Use the cursor arrow keys to highlight the "kernel /boot/vmlinuz. Move to the end of the next line with the cursor arrow keys. Add the following to the end of the line, including a space: Press ↵ Enter to save your changes and go back to the first menu. Press B to boot with the changes. Mount the two partitions for system and user.