Dual Boot Win7/Ubuntu 12.04 hd0 out of disk PXE Media Test and Exiting Broadcom errors

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http://askubuntu.com – I've got an Acer Aspire 5750-6866 with 8gb of user upgraded memory. been running dual boot ubuntu and windows 7 for a while. the other day i start getting the hd0 out of disk error and a boot screen that is completely different than what i was getting before (purple boot screen). Windows booted correctly, i restarted and got the same problem but at this point neither Ubuntu nor windows would normal boot - ubuntu hangs at the boot screen (black screen after the initial loading screen) windows boots to startup repair that ive left repairing for 24 hours to no avail nor the option to cancel (c (HowTos)