Also, be sure to wiggle the monitor cable at both ends and the middle,
while observing whether the green lines change. They could be caused by
a bad monitor cable, or a monitor cable that's not tightly screwed in
at the monitor or the computer.

SteveT

Steve Litt 
April 2016 featured book: Rapid Learning for the 21st Century
http://www.troubleshooters.com/rl21


On Fri, 29 Apr 2016 00:03:21 -0700
Todd Millecam <tyggna@gmail.com> wrote:

> Straight green lines usually means either a bad monitor or a bad
> graphics card.  It could be a driver issue as well, so reinstall your
> graphics card drivers first and if the problem persists, try a
> different monitor on the same port and replace either monitor or
> graphics card accordingly.
> 
> On Thu, Apr 28, 2016 at 9:47 PM, Michael <bmike1@gmail.com> wrote:
> 
> > After post green lines appear on my screen. I thought it may be
> > related to an update I ran just before this started happening but
> > it happens even with a live disk. Is the computer hosed? I wonder,
> > about a week earlier I put an HDMI card in but everything has run
> > normally for a week or two so I don't think that is the problem.
> >
> > --
> > :-)~MIKE~(-:
> >
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> 
> 
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