Question CPU LED Lights On After Starting The PC & The Windows Loaded

Sep 21, 2020
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When i start the pc everthing is right and after the windows is loaded and i start to use the windows and browse, the CPU led red lights turn on and the screen go black and i have to start the pc so that i can use the pc again and this happen only once or twice at the day maximum !!!

My Specs:
Amd ryzen 5 2600
MSI B450 Tomahawk
Kingston HyperX 8GB 3200MHz CL16
Radeon RX580 4GB
HDD 1 TB + HDD 500GB
SSD 240GB

My Case Is: COUGAR MX350 MESH + PSU VTC 600WATT 80+
 
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I Can't find any reason till now, can you help?
I cannot assess what Power supply came with your Cougar case. The specs indicate a standard ATX PS2. If that is a cheap bronze rated unit then it will require testing. You can take it to an electronics technician or swap the unit for a known working unit of the same wattage to try.
Many reasons can cause the CPU led to come on and that may well be the CPU itself in which case it will have to be checked under warranty.
 
Reactions: AbdELRahman1998
Sep 21, 2020
6
0
10
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I cannot assess what Power supply came with your Cougar case. The specs indicate a standard ATX PS2. If that is a cheap bronze rated unit then it will require testing. You can take it to an electronics technician or swap the unit for a known working unit of the same wattage to try.
Many reasons can cause the CPU led to come on and that may well be the CPU itself in which case it will have to be checked under warranty.
My PSU on Cougar;s Website: https://cougargaming.com/th/products/psus/vtc/


... i will check for an electronic technician , thanks you for advice ♥♥
 
The Power supply is the most important piece of hardware you need for your PC. I don't know where Cougar source their Power Supplies however, I believe its a low tiered bronze unit and suspect.
It's the first thing I would be checking on.
 
Sep 21, 2020
6
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10
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The Power supply is the most important piece of hardware you need for your PC. I don't know where Cougar source their Power Supplies however, I believe its a low tiered bronze unit and suspect.
It's the first thing I would be checking on.
So you suggest to change the PSU and try another better certified PSU to see if the problem coming from that PSU particulary or not?
 
Read about PSUs from my PSU fact sheet below my signature.
A good technician will check it's efficiency and rail voltages under load,
If he says it is below par then get a gold certified unit for piece of mind.
A failing unit can bring down other hardware components if it fails.
600W is adequate for your needs however a 750w unit will provide for any overclocking and expansion.
If you need a recommendation for a decent PSU then just ask.
 
Reactions: AbdELRahman1998
Sep 21, 2020
6
0
10
0
Read about PSUs from my PSU fact sheet below my signature.
A good technician will check it's efficiency and rail voltages under load,
If he says it is below par then get a gold certified unit for piece of mind.
A failing unit can bring down other hardware components if it fails.
600W is adequate for your needs however a 750w unit will provide for any overclocking and expansion.
If you need a recommendation for a decent PSU then just ask.
Okay thank you for help , Give me a recommendation for decent PSUs ...
 

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