reset cmos battery

Forum discussion tagged with reset cmos battery.
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    Question Laptop turns on but has black screen, no picture on external display either, is motherboard likely dead ?

    Laptop model: Lenovo Ideapad 330s (I believe the specific model number is 81FB00HKUS) The laptop does seem to turn on (I can hear the fan starting up), but it has a black screen. The laptop power button LED lights turn on, however Capslock and Numlock LED lights DO NOT turn on. What I've tried...
    • pvtherman
    • Thread
    • black screen lenovo ideapad 330s no display no display on external monitor reset cmos battery reset internal laptop battery
    • Replies: 1
    • Forum: Laptop Tech Support
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