aspire 4253 not booting...plz help

nehzg
nehzg Member Posts: 1 New User
I run a multi-boot system, win7 and 8... Was on the win7 and I left, when I came back I turned it on... It gave me the choice to resume, or delete restoration data, and return to boot menu... I clicked the latter... After that, it has been showing a black screen with a series of horizontal colored lines, in vertical patches... After the acer logo comes up... PLZ HELP!!!
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