Monitor goes black for 1-2 seconds after start up.

Cerberus_SV

Distinguished
Oct 1, 2006
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Greetings to the community. Some weeks ago i started experiencing a strange problem. First of all i would like to mention that i power on my computer every morning and keep it on for the entire day and then i turn it off at nights when i sleep. Every day. The issue is that a few moments after i boot my computer up, the screen goes black for 1 or 2 seconds and then gets back to normal. This can happen only once or it can repeat up to 4 times but it is always within the first 2-3 minutes after i power the computer on. After that, everything is normal for the entire day. I do everything. Browsing, play video games, watch movies, watch videos on youtube etc. Not even a single problem. Everything fine.
Now since technicaly the computer runs fine, it does not really bother me but it kind of worries me because it might be some hardware issue developing and could cause a more serious problem in the future. It also makes it harder to tell what might be causing it. I do not know if it is a monitor issue or a GPU issue. I also dont know if it is a driver issue. If it was a driver issue, wouldnt it happen randomly multiple times during the day? Why only at the beginning? Since this happens only when the computer is off for some hours and only after start up, i am suspecting that it could be some bad capacitor of either the monitor or the GPU but i would like to ask you guys in case someone knows something more or even experienced the same issue as me. My GPU is 1 year old (Nvidia GTX 1060 6GB) but my monitor is about 10 years old. Any help or advice would be appreciated. Thank you all in advance and i apologize for the long text.

Here is my system configuration:
OS: Windows 10 Pro (Fall Creators Update)
CPU: Intel Core i5 4690
M/B: Gigabyte Z97 HD3
RAM: 16GB 1600 MHz Kingston Hyper-x Savvage
GPU: MSI GTX 1060 Gaming X 6GB (always up to date)
Monitor: LG Flatron L207WT
PSU: Corsair TX-850M