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Laptop is HP zd8639ea 17" screen. A thin vertical line of very small flashing dots has appeared in the centre of the screen. How to get rid or is it replacement screen time?


Answers :

Hello Dave 1011

There's a (very) slim chance it's a cable issue. More than likely, however, it is, as you suspect, the monitor.

If you're handy w/ tools and such, you can replace the monitor yourself. It'll cost at least $225US so, shop around for a good deal. (Aside from the motherboard, the monitor is the most expensive part of your laptop.)

You can run a test of your video to confirm the problem. However, when the issue is localized on the screen like that, that's a red flag that your problem is hardware.

For now, you can connect an external monitor to your laptop. In fact, that's the best way to pin down the problem to the monitor (or cables connecting to the monitor). Do this before shelling out the bucks for a new or refurbished monitor.
If the problem persists while using an external monitor, then, the problem is still likely to be a hardware issue - but it isn't your monitor. The issue is in your video circuitry. Now you're talking about a new motherboard.

I also recommend you find the product service manual for your laptop and follow the steps for disconnecting the monitor from the laptop. Then, reconnect it. See if there are any changes in the symptoms. If you need help w/ this, just let us know.

Please, let us know if this was helpful for your or, of course, if you have any further questions.


Thank you
BJ
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