Windows 10: Windows 10 randomly crashes (black screen)

Hi,

First of all, english is not my native language (I'm from Argentina, land of great soccer players and the worst politicians), so you'll have to excuse my english.

Here's my problem: I have a desktop PC that I built 5 years ago. It's a little bit old, but works fine for me. I use it to surf the web, watch Netflix and movies with Kodi and some work (Excel, Word, PowerPoint). Nothing that needs serious processing.

I have an AMD Phenom II X4 955 3.20 GHz processor with an array of 4 Kingston HyperX 2 GB 800MHz DDR2, totalizing 8GB of RAM memory. The graphic card is EVGA GeForce GT 430.

I was using Windows 7 64-bits Ultimate and all worked fine. There were some crashes, but I think they average 5 o 6 times a year.

Few months ago I updated into Windows 10 Pro 64-bits. And the problems started. The crashes started to occur more frequently, and with the last major update, they always occur everytime I watch a few seconds of any kind of video (streamed, an MP4 or a MKV in my PC, autoplay in Facebook newsfeed, etc). What happens? The screem goes dark and my monitor led indicator start flashing, as it does when PC goes to sleep. But I cannot "bring it back": no matter what keyboard combination I type, the screen remains black.

I have my graphic card connected to a Samsung LED monitor via D-sub and to a Pioneer Audio Receiver via HDMI. The receiver sends the video signal to an Optoma Projector which I use to watch my movies. I have to say that when the screen goes black in the monitor, it also goes black in the projector (I have my desktop extended).

I downgraded my nVidia drivers to version 353.54, which I read was a stable version. The problem persists. I don't know what to do. Could somebody help me please?

Regards!

:)

 

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So, this stopped the error on starting up when on the desktop but still randomly after like 10 minutes all periphrials become unresponsive, all screens go black and say disconnected the speakers make a buzzing sound before turning off and the pc is basically
crashed. Internally all fans are still on and the graphics card aswell along with the power supply. I cannot figure out why it keeps randomly crashing. Sometimes it doesn't crash at all and I can be on it working and filling out scholarship apps for hours.
Or. It crashes 3 times in twenty minutes.

 

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