My lenovo laptop has a horizontal line below its screen. how can i fix it?

[sumatramaryann]

also when i flip its monitor it has several vertical lines in the left part

 

[Lutfij]

No image of the issue at hand? It's a little hard to understand if your display or the display cable needs replacing or even if your drivers need a reinstall. Might want to pass on the model/SKU for your laptop.