boot - Computer Beeps 3 Times on Startup - Super User
Dell 3 beep trick for no display problem - YouTube
My computer beeps when I try to start it. The screen stays black. Is there any way to fix this without getting inside the motherboard? - Quora
3 long beeps followed 4 short beeps and then says adapter no... - HP Support Community - 6407136
BIOS Beep Codes for Troubleshooting
boot - Computer Beeps 3 Times on Startup - Super User
What does 5 beeps bios on PC start up mean? I have no running issues everything is working as usual and I haven't dropped or damaged my PC recently. - Quora