After installing the second RAM, no display appears.
After installing the second RAM, no display appears.
It's unclear which stick you're referring to. The link points to a part list, but without more details, it's hard to identify the specific item.
The model without a passive cooler won’t fit in any slot. Another issue is that my PC starts up in Windows but I can’t access BIOS. There’s no display signal until I’m inside Windows and repeatedly clicking Del.