Windows 10: Computer grey-screening

Fans are running really high, ive never seen anything like this. Does anyone know what causes this screen to appear?

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:)

 

HD5770 grey screen problem

My Grey Screen was caused by bad memory. Changed the memory and everything has been good for over a year. What i mean by this is that Grey Screens are not black and white to solve they are in the grey area. There are alot of different components within your computer that can be causing the grey screen. If you can i would RMA 1st though because the GPU may be really sensitive to your system. If you still have issues after the RMA got for overclocks and RAM.

 

Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Grey screen

I have an Dell E6400 laptop running Window 10 Pro. I can't give any more details because upon startup my laptop doesn't show any thing else except an infinite grey screen followed by 3 short beeps.This
is what happened:

My computer was working fine the last time I successfully used it, which was about 3 days ago. Today, I opened the laptop, and when the screen turned on, it was solid grey. Tried pressing
F12 but the computer does not respond. I had to hold down power button to restart yet the screen went straight to grey when it turned back on. Tried to get to Safe Mode by restarting again and pressing F12, no luck. Also i have tried checking with the ram
and hard-disk but still no good. Tried letting the computer just sit with the grey screen, nothing happened. I honestly have no idea what could have caused this. No error messages, no recent updates or installations, etc.

Any suggestions?