Complaint Problem with display and keyboard

  • Guntur Lenovo Service Center - problem with display and keyboard
    praveenkumar on 2015-02-06 21:17:05

    when press tab or control buttons of left side, the screen goes off and locks it self
    I purchased it just 1 1/2 month ago.
    machine model: notebook LN G50-30 N3540 4g 1TB 8W
    machine type: 80G0015GIN
    serial no: PF048DWA
    purchase date 25/12/2014

    my mobile no; 9290236544