A small horizontal line on my G510 screen

I've using my lenovo laptop for almost a year but lately i've noticed a small line on my screen , I connected it with my tv via HDMI and the line wasn't there , I did a printscreen and the wasn't there.
I tried to upload my graphic cards and nothing has changed .
Here is the problem :

Hi Sofiane,
Welcome to the Forums
As per the query we understood that you are facing issue with horizontal line on the screen in your Lenovo G510 laptop.
Boot the system into BIOS and check for the issue, also check in different applications. You can also boot the system into safe mode and check for the issue.
Hope this helps. Do post back if the issue persists.
Best regards,
Ashwin. S

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A small horizontal line on my G510 screen

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