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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. :
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Have a Lenovo laptop or tablet that won't turn on? Try this first. - Reviewed
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Why has my laptop Lenovo 470 started making loud beeps on starting? It boots after several minutes of beeping but on restarting again goes through the same. - Quora