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hi friends. i am facing a problem regarding the lines appearing on my laptop screen.i have taken the screenshot also i don't know the cause of this problem and how can i resolve this. so please help me regrading this.and is this any hardware problem.

hai buddy, i got dataone broadband yesterday.i connected the modem to pc thru usb & configured. the connection is ok but there is no option to disconnect. i tried "Disable network" but its showing that some protocols aint plug and play so u cant do this.and when i clicked "safely remove your...