PC has difficulty starting up, keeps restarting without displaying anything on the screen

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mendoeke

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Jan 8, 2016
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I had the same problem about a year ago, at first it happened a few times. When I pressed the power button, the fans started spinning and the lights turned on but after a few seconds of spinning it shut down without displaying anything on the screen. Then it restarted the process automatically like it was trying to start up and after a few times it always did. Eventually it kept getting worse and worse until one day it just wouldn't start anymore at all so I took it to a repair shop, they told me it was a problem with the CPU and I still had warranty so they replaced it with a new one. That fixed the problem, but now, a year later the same problem is starting to happen again. Sometimes it starts up at the first try and sometimes it has to try several times and it's also been getting worse lately. This time though there is a slight change, after a few times of trying my pc will sometimes just stay on, but not send any signal to any of my displays (3 of them). Not even the BIOS start-up screen. My pc is a custom build from alternate.be. I have no idea what the problem could be, since clearly it's not just the cpu. It's maybe also worth mentioning that when I first got the problem about a year ago, it was also about a year after I had bought the pc. Any suggestions are appreciated.

System Basic Specifications Summary:
OS: Windows 10 home 64-bit
CPU: Intel Core i7-4790K @ 4.00 GHz
GPU: NVIDIA GeForce GTX 970
Motherboard: Gigabyte Z97-HD3
Disks: Samsung SSD 840 EVO 120GB & Seagate Desktop HDD ST2000DM001 2TB
RAM: 16 GB
PSU: Sharkoon WPM600 V2 600 W

Link to my MSINFO32 file: http://www.mediafire.com/file/xaw47y754qn5367/msinfo32.nfo
 
Solution
hang-the-9
First guess would be the low quality power supply you are using. It can cause issues with every other component, including damaging them. Pre-built system very often use low quality power supplies to save money so they can put in more RAM or some fast clocked CPU to impress people that buy by numbers and don't know much about the actual parts.

Once you get a good power supply in there, you can see how things run. The more you run the system this way the greater chance you have of damaging random components like the motherboard or video card, or the CPU. Seasonic is a good brand to look at, the newer CXM Corsair PSUs are good for lower pricing, higher tier Antec models, XFX, Silverstone.
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hang-the-9

hang-the-9

Titan
Mar 25, 2010
60,387
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152,940
First guess would be the low quality power supply you are using. It can cause issues with every other component, including damaging them. Pre-built system very often use low quality power supplies to save money so they can put in more RAM or some fast clocked CPU to impress people that buy by numbers and don't know much about the actual parts.

Once you get a good power supply in there, you can see how things run. The more you run the system this way the greater chance you have of damaging random components like the motherboard or video card, or the CPU. Seasonic is a good brand to look at, the newer CXM Corsair PSUs are good for lower pricing, higher tier Antec models, XFX, Silverstone.
 
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Solution
M

mendoeke

Reputable
Jan 8, 2016
6
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4,510


Thank you, I will get a new power supply as soon as I can. Do you think the problem lies directly with the power supply or is it the power supply that damaged the processor twice? Will I have to get a new processor as well?
 
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hang-the-9

hang-the-9

Titan
Mar 25, 2010
60,387
1,081
152,940


There is no way to tell exactly where the issue is without checking things one at a time. Worry about other parts when you can start ruling out where the issue is not. First suspect is the power supply. If that happens to not fix things, it may be a motherboard issues, CPU, maybe RAM, maybe even the video card. See if the system runs fine without the video card.
 
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M

mendoeke

Reputable
Jan 8, 2016
6
0
4,510


Ok, I will check everything. Thank you so much for you reply.
 
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