Can faulty RAM cause a black screen issue?

Jastinator

Reputable
Jul 7, 2015
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Alright, I've had this problem for a while now and am having trouble fixing it. About a year or so ago, months after installing a new graphics card for my computer, I started getting a black screen when gaming. It was not as if my monitor stopped receiving a signal, just as though my computer seemed to stop running and my screen goes black (the screen is lit black, not as if it is off). However, I am still able to talk to people on Skype and hear the sound coming from games. But, I found out that it is not simply the display that stops working because this happened one time when loading a game and my friend informed me that I had not loaded into the game minutes after the black screen had happened (even though I could still talk to my friend). This only happens while playing computer intensive games such as Battlefield 4 or Call of Duty: Advanced Warfare. But for lesser games, such as League of Legends, I can play for hours with no issues. I have attempted to solve the problem before. I found out that if I underclock my graphics card than it happens more rarely. I first assumed from this that my power supply must be faulty, but I replaced it with a 1000 watt power supply and the issue remained. I then replaced my graphics card recently to see if it was that and this seemed to help. I could play hours of Battlefield 4 without any interruption. But, 2 days in a row now, I stopped playing Battlefield 4 after a few hours, exited out, and left my computer on the desktop. I came back a few minutes later and the screen was black. So, it doesn't happen while gaming now, but after I finish gaming and close all programs. This is something I find very strange. So, from what I can tell it is not my GPU, my power supply, or an overheating issue as before I replaced the card it would happen as soon as after a few minutes of playing a computer intensive game, not enough time for it to become very hot. My next suspect is the RAM in my computer which is 8gb. I have a budget of about $150 to replace it and was thinking on getting 16gb just to have some surplus. So I ask to the great detectives of the computer world, do you think my RAM could be the issue? Or do I simply need to just get a new motherboard and processor and carry over my power supply, graphics card, hard drive, and new ram to a different computer. Thanks in advance for any feedback.
 
Solution
For the checks, go to Start>All Programs>Accessories>put the cursor over COMMAND PROMPT and right click, select RUN AS ADMINISTRATOR from the menu> then in the window enter the command SFC /SCANNOW and hit enter let it run, the disk check I would run overnight following the prior when you get to the command prompt enter the command CHKDSK /r /f C: this can take hours, but will find and mark sector errors and move the data to a good sector
Do you have the latest BIOS and mobo drivers? and the latest GPU drivers? Have you run both a Malware and a virus scan? Done a disk check on the hard drive, and a system file check? There are lots of possibles here. Can run 3-5 passes of Memtest on each stick and see if any errors come up to test the DRAM.
 

I have all the latest drivers and I just installed a clean copy of Windows 7, so I doubt there is any viruses or malware. However I am curious about how to run a disk check on my hard drive and a system file check. I will also run a few passes of Memtest.
 
For the checks, go to Start>All Programs>Accessories>put the cursor over COMMAND PROMPT and right click, select RUN AS ADMINISTRATOR from the menu> then in the window enter the command SFC /SCANNOW and hit enter let it run, the disk check I would run overnight following the prior when you get to the command prompt enter the command CHKDSK /r /f C: this can take hours, but will find and mark sector errors and move the data to a good sector
 
Solution