Windows grafics lines

good evening ,down side of my screen ,i have some horizontal lines ,i tryed rebbot ,tryed restore the sistem ,but ,sims i turn on my pc ,before even start boot ,those lines apear ,they take about 25 % of down side of my PC
i apreciate someone help me
thank you very much !
2 answers Last reply
More about windows grafics lines
  1. You mean a black bar?
  2. Check your resolution + Give more details., not easy to find the prob this way-
    Might also that either gpu or screen prob-
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