Cannot boot to windows DVD after crash

I have a dell xps laptop that crashed and when I restarted it went into a never ending startup repair loop.
I tried using the recovery function to no luck and now I have created a bootable windows dvd.

The problem is when I try to boot from it, either the bios or hitting F12 to select dvd it just goes into the same repair loop - sometimes its the graphical ui and other times it's the black and white text telling me to repair or restore.

I searched this forum and it seems that most answers want you to use a usb. Unfortunately, I do not have one large enough to put the win7 iso on it.

Can anyone else give other suggestions?

The disk is not booting, either because it's not set to boot correctly or it's ISO or burn is bad.

What boot disk did you download? I would use the Win7 DVD or a System Repair Disk.
Confirm it's integrity and burn another using ImgBurn at 4x speed.

Then set CD/DVD drive first to boot in BIOS: How to Boot your Computer from a Bootable CD or DVD - Boot to CD

Or use the one-time BIOS Boot Menu key to trigger the DVD/CD drive, with the HD set first to boot in BIOS boot order.

Do you receive a prompt to Press Any Key to boot CD/DVD? If not then the problem is your disk, or OD. Try writing the Win7 installation DVD ISO (extracted with ImgBurn) to flash stick using Universal USB Installer with Win7 in dropdown menu. Boot under USB, Removable or HD's.

Try also resetting the BIOS to defaults: Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS