An error occurred while reading the Ubuntuserver12.04U installation disc.

An error occurred while reading the Ubuntuserver12.04U installation disc.

Today, we use Ultraiso to engrave Ubuntu server 12.04 into a USB flash drive to install the system. An error occurs when an intermediary prompts that the error occurred while reading data from the disc. I searched the internet for the solution, and many recommended win32diskimager software for burning. In addition to the first time, there is actually another solution. The following is a detailed explanation:
1. Copy the ubuntu-12.04-server-i386.iso to the root directory of the U disk just burned.
2. Start the USB flash drive at startup. press ALT + F2 to switch to another Console when an error occurs. Enter the following command:

Umount/dev/sdc4 // sdc4 is my USB flash drive device. Different machines may be different. check it with "ls/dev | grep sd. Mkdir/mnt/usb mount-t vfat/dev/sdc4/mnt/usb // mount the usb disk to this folder cd/mnt/usbmount-t iso9660-o loop ubuntu-12.04-server-i386.iso/cdrom // mount the iso file

ATL + F1, select YES and scan again to continue the installation.