How To Fix a Lenovo Computer That Beeps at Startup or Keeps Beeping - YouTube
Lenovo thinkpad making loud beeping chime on startup, black screen : r/pcmasterrace
P50: Two beeps and blank screen - what are my options for troubleshooting, parts salvage, etc.? Please help me brainstorm what to do with this "bought as defect" machine. More in comments. :