They sell a screw set for 15GBP . But shop around if you like.
You will have to experiment a bit. Don't force any screw in. Be very gentle. The correct size should fit easily.
+
+
One solution is loctite. Loctite threadlockers for screws and bolts come in various strengths and colours, including low-strength purple (222), medium-strength blue (243), and high-strength red (263, 271).
+
+
I would suggest the low-strength purple (222) which will hold it in place but be not too hard to unscrew.
The first question is how did the screws came out in the first place? Must be a story there.
Yes the quoted price is ridiculous!
Here is one possible ASUS parts supplier for your laptop
[link|https://en.accessoires-asus.com/laptop/fx505/|Click here|new_window=true]
They sell a screw set for 15GBP . But shop around if you like.
You will have to experiment a bit. Don't force any screw in. Be very gentle. The correct size should fit easily.