disassembling the lcd screen?

Hi,

I have a question about the possibility of the disassembling aluminium screen cover without disassmbling the touchscreen and lcd screen at first. A couple of days ago I fell down the stairs with my backpack. when I opened, i realized two pits on my ultrabook's screen cover. Normally there was no problem with its working but a mild blight on the display when i softly touched these pits from the backside. So, I want to fix this deformity on the aluminium cover for the possible problems it may bring about in the future. In brief, i seek for an easy way to disassemble that cover without endeavour the front parts of the panel.

[url=http://postimage.org/image/5xtuv82m1/][img]http://s20.postimage.org/5xtuv82m1/P_201...[/img][/url]

[url=http://postimage.org/image/x9p3wk7cp/][img]http://s20.postimage.org/x9p3wk7cp/P_201...[/img][/url]