Debian Installation :: Creating And Booting Jessie Installer

I am installing Jessie to a dual-boot Dell Inspiron 1150 laptop currently booting Windows XP + Ubuntu 9.04. I downloaded the small installation image:

Code:
Select all//cdimage.debian.org/debian-cd/8.1.0/i386/iso-cd/debian-8.1.0-i386-netinst.iso
and created a live dvd using growisofs.

The Jessie install documentation says: "If you downloaded an iso image, check that the md5sum of that image matches the one listed for the image in the MD5SUMS file that should be present in the same location as where you downloaded the image from." For the downloaded image this produced the result

Code:
Select all~$ md5sum debian-8.1.0-i386-netinst.iso
095a83b715e1b74b6d30b2259275f4af  debian-8.1.0-i386-netinst.iso

There is no MD5SUMS file in the download directory. There is an md5sum.txt file included in the iso image: this lists the md5sum of every file in the image, but not that of the image itself. The check for the burned dvd was successful :

Code:
Select all~$ dd if=/dev/cdrom | head -c `stat --format=%s debian-8.1.0-i386-netinst.iso` | md5sum
645120+0 records in
645120+0 records out
330301440 bytes (330 MB) copied, 1.28047 s, 258 MB/s
095a83b715e1b74b6d30b2259275f4af  -

Is this a documentation error ? I next booted the laptop from the live installer dvd. After generating a number of messages, it stopped displaying a message along the lines of: "Invalid video mode - press Enter to select a mode".

I assumed it would wait for me but it soon rushed on, producing screeds of segmentation fault error messages, eventually slowing down to a rythmic display of:

Code: Select all*** Error in Xorg:free() invalid pointer: 0xb7101ce3

***Surely it should have waited for me to press Enter?