Unable to boot Ubuntu and Windows after failed attempt to start from Live boot disk

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http://askubuntu.com – I have used Ubuntu before on my previous laptop, after getting a new laptop I would like to install Ubuntu onto it, but I'm running into some major issues. Firstly when I put the boot disk in it loads up fine until it gets to the try ubuntu / install ubuntu menu, at this point it freezes. After about 20 minutes or so the screen goes black and the line below keeps reappearing: sd 2:0:0:0: > [sdb] asking for cache data failed sd 2:0:0:0: > [sdb] assuming drive cache write though It will repeat to print these messages over and over. When I take out the installation disk and reboot my (HowTos)