Inspiron 7506 2in1 Screen glitches and black outs

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I hope you get it resolved. This is hardware failure.

If you purchased with a credit card see if they offer purchase protection. Chase does. https://www.chase.com/card-benefits/benefit-details/slate/purchase-rotection

Or do a chargeback.

You should not need to have to use an anti-static strap when using the laptop normally.

I am having an identical issue with my Inspiron 7506 which was purchased late last year and intermittently had the issues over the first few months of use.  I finally gave in and contacted Dell support who replaced the screen last week but the issue has not gone away.  By the sounds of it a new machine is unlikely to resolve the issue.  Is Dell acknowledging this is a common issue for this model of laptop and if so what do they recommend as the solution?

Matt, no, Dell did not acknowledge the problem. They tried to say that one of the latest Windows updates may have been  rolled out before Dell approved it for my laptop. Then they attempted multiple fixes. I spent hours online with them. One person couldn’t fix it so they would have another person contact me then another and another. Their fixes only made the problem far worse. It got to the point where it would start flashing up the weird lines and white static and would not stop. Once it started the only thing to do was to shut it down. It became completely unusable. I’m not an expert in computers but I came to the conclusion that there had to be some kind of compatibility problem between the graphics card and the 4K screen. One laptop having a weird problem could be accepted as just a fluke but when the replacement laptops start having the exact same problem, that’s a pattern and something wrong with the overall manufacturing of that specific product line. Dell never admitted there could be a problem.  They wanted to keep trying different things with different people.  My suggestion to you is to return it as soon as possible and either go down in screen quality or buy a different brand. We chose to go with a different brand and have been much happier. (As a side note, my daughter has the same Dell laptop but a lesser quality screen and it has shown no problems. I’m convinced the problem lies with the 4K screen/graphics card combo). Good luck. I hope you have better luck than I did. 

Thanks for getting in touch. Your insight is really useful.  My laptop is a business one and is covered by premium support which means they'll keep trying to replace bits of it until there's nothing left of the original machine.  I've been told they'll replace the motherboard next. Wish me luck.

What are the results of the LCD Built-in Self-Test?

How to Run the LCD Built-in Self-Test on a Dell Laptop

Enter your service tag number here. Then choose Drivers & Downloads. Install the ones marked "THIS PC". Install the drivers from the categories below. Do them one at a time, restarting the PC after each one.
1) BIOS
2) Chipset
3) Video
DELL-Cares

Hi

Not wishing to get in the way Dell technical team(s)  ....

If you think it is a Broswer, use a better one, like BRAVE.

if it could be a graphics glitch try a Lo-Cost/No-Cost solution ...

WINKEY + Ctrl + Shift +B which 'restarts' the graphics

This shortcut may recover you from such a graphics driver crash.

If it is/was a Windows update, dont use Windows.

Try a NON MS OS temporarily...

https://linuxmint.com/download.php

AnyBurn (or rufus) and make a USB that will seem a little slow and lumpy, BUT does not install and does not touch your existing data, unless you sayso.

NB: BitLocker should allow a read only boot.

If the problem goes away

Dell + NON MS OS then it's an MS problem.

If it doesnt the it's a DELL PROBLEM.

Maybe the MainBoard.

I know it's simple logic any tech team could try, but they don't.

So Do It Yourself.

If in doubt please ask.

Hi,

I do have the same issue, I bought the laptop from Best Buy in 2022. I still face the problem, and couldn't find the root cause. 

I had the same issue.  Dell support ran me through some diags initially and had me change some settings. It was intermittent so didn't recur for a while. I called back and again, some settings changes.  Intermittent so it eventually recurred. Eventually had keyboard issue. They sent tech out to replace keyboard. I told him of the screen issue.  He reseated the cables but the issue persisted. My warranty eventually ran out before I got it fully resolved.  Still happens. I've probably had 5 or 6 dell laptops and never had issues like this with getting an issue resolved. I got a lemon this time and failed to persist with Dell long enough to get it fully resolved. I learned my lesson.