Hi I just bought an acer aspire 5720z with windows vista. I was doing a back up of my computer, as I was about to install linux unbutu on dual boot, and I got an blue error screen that appeared too fast fo me to read it.My computer then rebooted itself, but it told me then to insert a boot drive.Surprised, I checked my bios and I found out that my bios didn't recognised my hard drive anymoreThanks for any help Pierre
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