Problems with USA PC Engine ROMS.

[RustyMG]

Hi all, had a search in case this issue has come up and can't find any similar posts, so apologies if I missed it.
I can load cd images of PC Engine games no problem. I can also load any Japanese ROM image no problem. But every single USA (U) ROM file, no matter which, will not load. All I get is a black screen, and I have to do the hotkey combo to exit back to the menu.
I'm running Recalbox 4.01.
I'm I missing something really silly?!

[RustyMG]

51 views - no one any suggestions ?

[paradadf]

Update to, at least, 4.0.2.

[RustyMG]

Hi,
I updated to 4.1 unstable and things have improved a wee bit.
Tried 5 USA Rom files and 3 now work with 2 still not working, but it's progress!
Will try the rest when I have time.

Just need to see why the Apple2 stuff won't appear! (see my other post)

[paradadf]

I haven"t tried apple2 yet and don't have time nor a Raspberry at this moment to test it, sorry.