12.04 installation failures, including black screen with blinking cursor
I want to install the 32 bit version of Ubuntu Desktop 12.04 LTS. I've downloaded the ISO, verified its integrity with md5sum, burnt it to a CD, and verified the integrity of all the files on the CD. When I boot from the CD, the purple boot screen appears briefly, and is then replaced by a black screen with a blinking cursor. Eventually the cursor stops blinking, and the DVD drive goes quiet. From this point onward, nothing happens.
I've tried pressing F6 on boot and toggling the 'nomodeset' option - it results in a black screen with a cursor that keeps blinking. I've also tried the alternate install CD (again, having verified the ISO and files on the burnt CD) - after selecting a language and the 'Install Ubuntu' option, the screen goes (and stays) black, this time with no blinking cursor.
I left a memory test running for about an hour, it seemed fine.
Hardware/OS:
Processor: Intel Core i7 Quad Core Processor i7-3770K
Graphics: Integrated Intel HD 4000 Graphics (HDMI, DVI, 1920x1200)
RAM: 16GB Kingston HyperX Genesis Dual-DDR3 2133MHz
Storage: 240GB Intel 520 Series SSD
Motherboard: Asus P8Z77-V PRO
Monitor: Asus PA246Q
OS: Windows 7 Premium (trial version)
The monitor is connected with a DVI cable. I want to create a dual-boot system, but I haven't created a partition for Ubuntu yet (I want the installer to run properly first).
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