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Of course it didn't help, the problem is not a PC-->monitor signal as such, its your GPU / CPU data corruption while rendering and processing the information, so by the time the packet of information leaves MOBO to travel into the output (monitor), the data is already corrupted, so you can buy a DP cable for 500€ if you want and this won't help...this is literally like your car would have punctured tyre, and you would try to "fix" this by buying a new car windows.

If this actually worked for you, then you are among 1% of people which simply had damaged DP cable and therefore laggy data transfer, and now you think this is the entire fix for our problems.

MK92 wrote: ↑

16 Jan 2026, 15:58

its your GPU / CPU data corruption while rendering and processing the information, so by the time the packet of information leaves MOBO to travel into the output (monitor), the data is already corrupted

where i can read about it?

It's logical explanation, your monitor just displays what is rendered from CPU and GPU, so why would DP or HDMI cables be the problem?

+12V and +5V rails are not getting clean electricity, then the CPU and GPU activates their error-correcting protocol to prevent a system crash = output delay.

Now the funny part is where does this crap voltage comes from, because a good PSU, in combination with EMI-filtered surge protector, should easily handle dirty electricity...but we still get this problems, so apparently the electricity must by-pass the PSU and somehow enters the PCI slots from modem, monitor, speakers etc.

MK92 wrote: ↑

17 Jan 2026, 04:17

It's logical explanation, your monitor just displays what is rendered from CPU and GPU, so why would DP or HDMI cables be the problem?

+12V and +5V rails are not getting clean electricity, then the CPU and GPU activates their error-correcting protocol to prevent a system crash = output delay.

Now the funny part is where does this crap voltage comes from, because a good PSU, in combination with EMI-filtered surge protector, should easily handle dirty electricity...but we still get this problems, so apparently the electricity must by-pass the PSU and somehow enters the PCI slots from modem, monitor, speakers etc.

because battery mode didnt fix issue.
issue appers and dissapers at the same time ac / battery mode.

Not for me, if I run laptop on the battery its perfectly fine, but if I remove the battery and run with a power cord directly into the wall socket it works like crap.