Faulty or bad ram can definitely cause a no display issue when your computer is turned on. Without properly functioning RAM, your computer will not be able to start or run properly.
A quick fix is to try reseating your RAM. If that doesn’t fix the issue and you are sure that it is your RAM, you will need to replace it.
Faulty ram is one of the leading causes for a compute to turn on without any display. There are other issues that can cause this as well like a faulty graphics card, power supply, or monitor, but if everything else
Can Ram Cause a Black Screen?
Faulty or bad ram can definitely cause a black screen on your monitor. Trying to reseat the RAM is the first step in trying to resolve this issue. If the problem persists, the RAM will need to be replaced altogether.
Sometimes the motherboard can have a faulty RAM slot, however this is more uncommon than the actual RAM stick going bad.
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How to Check for Faulty Ram
Mem Test86 is a third party program that scans and checks the integrity of your computer’s RAM. Simply download, install, and run the application. This is a great application to use even if you have already exhausted all your Windows Tools.
Check Disk Scan
The Check Disk tool comes with every windows installation. This is a free tool that you can run whenever you think there is an issue with your computer. Simply put, it will verify all your system files and fix any errors that it finds.
To find your Check Disk tool, click on your start button and type in my computer or this pc in the search bar. Click on the application and right click on your disk drive and select properties. Find the tools tab and click on the check disk button to start the scan.
Replace Your RAM
If all else fails, you will need to physically replace your RAM stick or sticks on your computers motherboard. A quick youtube search for a tutorial on how to change out your RAM. If you are not comfortable with doing so, you will need to contact your computers manufacturer or a third party pc repair company.
Does Ram Affect External Monitor?
Your computer’s RAM does not affect your external monitor in anyway other than maybe causing a black screen. Your computer monitor is plugged directly into your graphics processor which then gives picture to your monitor.
If there are any issues with your graphics card, you may see artifacts or lines across your screen, a black screen, or other symptoms of a faulty graphics processing unit.
Why Does My PC Turn On but No Display?
There are a number of issues that can be causing a no display when your computer is turned on
The first issue that can be causing a no display issue is bad or faulty ram. The fix for this would be to try and reseat the ram. If that doesn’t work then the RAM will need to be replaced indefinitely to resolve this issue. If you have more than one RAM stick, you can remove the faulty one and still have a working computer in the meantime.
A faulty graphics card is another reason your display can be blank. The graphics card’s main responsibility is to render and create image, video, and animations. If this is not working correctly your display can encounter issues like artifacts, screen glitching, and other issues.
Bad Power Supply or Not Enough Watts
A faulty power supply can cause a number of problems. From your computer not turning on, to a blank screen, a power supply is responsible for powering everything in your computer including the graphics card. If your graphics card or motherboard does not get enough power to start, your screen will be black.
A faulty monitor is another reason why you will not have a display. Be sure to check that your monitor is plugged in correctly and is getting enough power. Check the power light to see if it is powered on. If the monitor has no signs of power, then it could indeed be a faulty monitor.
Bad RAM is one of the most common causes for display issues. Your computer will not be able to function properly without RAM.
Try unplugging your RAM and plugging it back in to see if this resolves the issue. If it does not, and you are sure that the RAM is what is faulty, it will need to be replaced.
It isn’t uncommon for RAM to cause display issues or other issues like blue screen errors.