While in Australia, I built a VGA cable for about 30 cents out of things in my tiny flat. It was hilarious and actually worked.
An extension cord seems way more expensive to sacrifice…
If I needed a VGA cable I’d just contact any large IT dept (University, school, government, etc.). They’re always drowning in VGA cables as most monitors still ship with ‘em.
They sell them at dollar stores for a buck. It never occurred to me the extension cord in the image of the post looks higher-grade though. I’ll swap it out.
Easier to just check Goodwill. They usually have a bin of assorted random cables for cheap.
I had none of those thrift stores around, because that definitely occurred to me.
A second hand place at a tip maybe?
I think you’re missing the VESA DDC pin. Without that, you won’t be getting EDID information, and as such, proper sync timings.