Screen thin white line that appears and disappears

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Aneal Posts 2 Registration date Friday 31 August 2018 Status Member Last seen 13 September 2018 - 13 Sep 2018 à 19:54
xpcman Posts 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 - 13 Sep 2018 à 19:56
i just got a fairly used laptop, quite good. but i discovered that there is a thin white line that appears and disappears on the screen of my system. please what is the cause and implications of this problem.
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xpcman Posts 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 1,824
13 Sep 2018 à 19:56
You probably have a failing screen. It may stay this way for years or get worse with time.

Good Luck