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PROBLEM WITH DISPLAY

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osssu

osssu

PCHF Member
Apr 18, 2021
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#1
Hello.
I have a problem with my PC, when I turn on my PC the moniter doesn’t turn on, and when I manually turn my monitor on it shows “No signal”. The problem isn’t in the monitor or in the HDMI cable because I have tried them with my laptop. It also isn’t GPU because I tried my GPU with my friend’s PC and it worked. RAM is also not a problem, the RGB on it lights up and I also toom the ram sticks out and cleaned them properly. PCI-E socket is not a problem, tried my gpu in a different socket. The problem isn’t in my harddrive cause I unconnected the one where windows is on and tried downloading windows on a different harddrive. PCI-E cable is not a problem, tried different cable. The problem can’t be either in motherboard, psu, cooler or processor because if it was my PC wouldn’t turn on at all.
Can anyone give me any suggestions what to do? I have no clue what the problem could be.
 
#2
You have done a very good job of telling us that none of your hardware is a problem when there is clearly a problem with one or more items of hardware or it would work otherwise, you have also provided zero information about the hardware concerned.

"No signal" means that your display is good and that the problem is with the source of the video signal.

As a starting point you need to provide information about your computer, is it a custom build or brand name such as Dell or HP, if a brand name, provide the model name or series number (not serial) if a custom build post the brand and model name or number for the CPU, MB, the RAM (including the amount) add on video card if one is used and the PSU (power supply unit) providing these details will enable folk to better assist you.
 
#3
phillpower2 said:
You have done a very good job of telling us that none of your hardware is a problem when there is clearly a problem with one or more items of hardware or it would work otherwise, you have also provided zero information about the hardware concerned.

"No signal" means that your display is good and that the problem is with the source of the video signal.

As a starting point you need to provide information about your computer, is it a custom build or brand name such as Dell or HP, if a brand name, provide the model name or series number (not serial) if a custom build post the brand and model name or number for the CPU, MB, the RAM (including the amount) add on video card if one is used and the PSU (power supply unit) providing these details will enable folk to better assist you.
Click to expand...
Sorry for not providing any information.
I have an custom built PC which I built myself.
CPU - Ryzen 5 2600
GPU - gtx 1060 6gb MSI armor oc
RAM - Corsair vengeance pro 8gb + 8gb 2600MHz(I know, too slow for AMD)
MB - MSI TOMAHAWK b450
PSU - Seasonic S12II Series S12II-620 Bronze - 620 Watt 80 PLUS® Bronze Certified (SS-620GB)
HDD - Some seagate 1tb
SSD - some random crucial 256gb (windows on it)
M.2 SSD - Crucial’s aswell, 1tb
Cooler - cooler master masterliquid ml240L rgb
Nothing more to add I think.
 
#4
osssu said:
PSU - Seasonic S12II Series S12II-620 Bronze - 620 Watt 80 PLUS® Bronze Certified (SS-620GB)
Click to expand...

How old is the PSU, this particular model was first released in 2010 and production ended in 2012 so even at best yours is at least 8+ years and well out of warranty.

Best suggestion I can make is to ask your friend if they would try their PSU in your rig, reason why explained below;

As a PSU puts out various voltages +3.3V, +5V and +12V it may appear that the PSU is working correctly but it is not, any significant drop of any output can prevent the system from booting up, the other scenario is a significant increase in the output which can be worse as it can fry one or more major components such as the MB, CPU, RAM, add on video card etc.
 
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