[ubuntu] Dell D630 64bit Trouble

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http://ubuntuforums.org – I recently acquired a Dell Latitude D630 and I've been trying to install the 64-bit Version of 12.04. I'm using a USB flash drive with YUMI placed on the flash drive. The computer wont load into the 64-bit installer. I ran diagnostics on the system, the hardware is in perfect condition, but the system just wont let it boot. Any Suggestions? (Hardware)