i have a HP pavilion 23xi monitor running on windows 7 ultimate os. over the past 2 days , i am seeing an blue vertical line on my monitor screen . the problem is not with the cpu as i used monitor on ps4 and the same blue vertical line occured there as well. this problem occured around noon yesterday. before switching on the monitor ,i used a glass cleaning liquid which i have using over the past 8 months since i purchased the monitor . the problem occured only yesterday . the blue vertical line diminished after i used it for a while but then recurred . please help on this ASAP
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