How to remove scratches from side panel window?

trexiic

Honorable
Jan 26, 2014
104
0
10,680
Hi, sorry for my bad English, I speak French.

I recently decided to clean my side panel window... the same way I clean windows: Paper towel + Windex..... HUUUGE mistake.

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1438562335-img-20020106-162637.jpg

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There are scratches all over the panel, on both side.
My computer case is rare (Bitfenix Shadow), so I can't find replacement panels.
How can I remove those scratches?

Thanks!