3 long beeps followed 4 short beeps and then says adapter no... - HP Support Community - 6407136
acer aspire es1-571, short on DC-IN - how would I go to check what causes this short? I carefully looked at all the components on both sides of the board but nothing
How do I fix my computer doing a long beep, nothing shows up, Nitro N50-600 — Acer Community