performance adjustment

  1. H

    Windows 7 Unable to Charge the Laptop

    Respected Sir, I am using Dell Inspiron 15 R(5520) with windows 7 ultimate 32 bits but when I start my laptop following message was displayed : The AC power adapter wattage and type cannot determinated. The battery may not charge. The system will adjust the performance to match the power...
    • Harjinder
    • Thread
    • battery issues bios update dell diagnostics laptop charging msata device performance adjustment power adapter troubleshooting windows 7
    • Replies: 1
    • Forum: Windows Hardware