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How to remove stripped laptop screw?
(slrpnk.net)
Whether it be electronics, automobiles or medical equipment, the manufacturers should not be able to horde “oem” parts, render your stuff useless if you repair it with aftermarket parts, or hide schematics of their products.
Summary video by Marques Brownlee
Great channel covering and advocating right to repair, Lewis Rossman
I’d try a flathead, it looks like you have enough to get it.
Failing that, maybe cut the tip off a screw, super-glue it to that one and then work it out.
I have used flatheads of various sizes and it wouldn't budge, unfortunately. I don't know how to cut metal.
After you work through this little delema, take a couple hours and read up on the properties of different metals like steel, aluminum and brass. Metal working really is fascinating and it generally is much easier that's it looks.