I'm trying to find a compatible power supply, or perhaps a workaround so as to be able to install a graphics card into this computer.
If I have to get a non-atx power supply then that's a pain in the ass but workable, but so far what I've discovered is that this apparently OEM motherboard won't accept any PSU that isn't manufactured specifically for it, meaning I can't upgrade or modify my computer one bit.
If this is actually the case then I'll just never buy an HP again, but I'll have to return the one I do have and I don't have an unlimited amount of time in which to do that, so a quick answer would be appreciated.
ultra PSU are known garbage, if you have no experience in what you state then keep your incompetent ideas to yourself. you also fail to realize that PSU will fit in a micro case but not a slim tower. you need a TFX PSU for a slim case