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Windows 10 Successful Boot Happens Randomly

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Good day!

I have been experiencing a problem with my computer for quite some time now. I want to make a reservation right away that the computer was assembled recently, all the components are relatively new (bought in the beginning of this year), and the diagnostics of its individual parts with the appropriate software did not show any abnormalities. The characteristics are:

  • MB: 450 GAMING PLUS MAX
  • CPU: AMD Ryzen 5 2600 6-core
  • RAM: Patriot Viper Steel DDR4 16GB (2 x 8GB) 4000MHz Performance Memory Kit
  • Graphics Card: GeForce RTX 2060.
  • SDD: Western Digital 240GB SATA III 6 Gb/s

After one of the system crashes and a subsequent completely clean reinstallation of Windows, I ran into a fairly common problem in which the computer succesfully booted the system only after powering it off and then turning it on again. In other words, if I wouldn't power cycle, after the BIOS boot splash, instead of the usual system boot icon and the next entry into it, I'd be given a black screen accompanied by the fading of the mouse and keyboard backlight, after which the computer could remain in this state for a long time. At the same time, the coolers and lighting inside the case continued to work. At first I didn’t pay much attention to this problem, but I still tried to fix it. Among the solutions I tested were:
  1. Disabling fast system startup in the power plan settings of Windows
  2. Updating drivers for the freshest for all possible components
  3. The default set of command prompt operations like sfc /scannow, DISM /Online /Image /Cleanup-Image /RestoreHealth and chkdsk C: /f /r /x.
  4. Reinstalling the OS
None of the above helped. I did not dare to change the BIOS settings, since they were seemingly appropriate for the optimal launch (it was in LEGACY + UEFI mode). Unfortunately, over time, the situation worsened, and even the power cycling did not always help. The success of the system startup has become rather a random achievement, accompanied by the regular execution of the above commands in the command prompt in safe mode. As for now, even entering safe mode is not always possible. Some of the things I have to do regularly are restoring the system to an earlier version (even though no new system components or programs were installed), scanning the disk, and desperately trying to enter Safe Mode. Sometimes it is possible to successfully restart the computer from it.

When I still manage to successfully start the computer, the problem may disappear for a certain period of time, but only on the condition that I do not put it into sleep mode (then the problem immediately returns), but completely turn it off if necessary. Everything becomes much more frustrating when all these methods stop helping and a successful startup becomes an absolutely random event arising in the event of a random chain of manipulations with Troubleshooting options during automatic repairment, which starts after a reboot :(.

Considering all of the above, I remain unsure of the nature of the problem, that is, whether it is a mechanical or systemic failure. The option of infecting the system with a virus also seems unlikely to me, since, as already mentioned, the problem persists after a clean installation of the operating system. Nevertheless, I do not completely rule it out. Updating the BIOS and chipset drivers, which is the latest thing I've tried, also did not give valid results, and in some way, it seems, even exacerbated the situation - the boot process became a bit longer. Maybe there is someone here who came across a similar problem? Generally, I will be absolutely grateful for any help provided or if you could guide me in the right direction to find a solution, since at the moment in my country the situation with the lockdown does not allow me to contact any of the existing service centers. Thank you!
 
Have you updated the BIOS?
Is the power supply enough wattage for the PC?
Is the monitor still lit but there’s no picture? Have you tested the monitor with a different input? Have you tried a different connection between PC & monitor - HDMI, DVI etc?
What’s the processor speed?
 
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Have you updated the BIOS?
Is the power supply enough wattage for the PC?
Is the monitor still lit but there’s no picture? Have you tested the monitor with a different input? Have you tried a different connection between PC & monitor - HDMI, DVI etc?
What’s the processor speed?
Hi, thank you very much for responding.
Yes, I have updated the BIOS with the latest version from the MSI website, but it seems to prevent the windows from starting altogether now. Not sure why, but now the startup process progresses to spinning dots indicating the boot of the OS, they spin for about a minute, and then the screen just goes black along with the mouse and the keyboard.
Power supply must be enough for this particular setup, but from what I've heard - Gamemax PSU's have a bad reputation, so maybe mine is malfunctioning actually. I will try to test it separately.
The monitor is working absolutely fine and displays everything that happens when the system still manages to start.
The processor speed is 3.9 GHz (stock), never overclocked
 
The speed seems fine.
It seems strange that the PC can on occasion reach the log in screen.
Has there ever been a BSoD? If so can you remember what the error code was?
I wonder if there’s an intermittent fault with the graphics card.
 
The speed seems fine.
It seems strange that the PC can on occasion reach the log in screen.
Has there ever been a BSoD? If so can you remember what the error code was?
I wonder if there’s an intermittent fault with the graphics card.
BSoD - no, not once. The worst thing that happened in "that" sense was the power outage during the system restore, which disruped the process, resulting in some problems with Windows' serices. Regardless, the OS has been reinstalled successfully since then, so it most likely is not the case.
As for the hardware side of the issue, I'm starting to believe that it might be correct. However, for some reason, I'm leaning more towards blaming the power supply or motherboard. When turned on, after the screen turns black, the mouse and keyboard also go out, which in my understanding indicates the problem of a power character
 
hopefully the problem will be the power supply rather than the motherboard.
Oh I hope :X3: It seems that direct testing of individual components like the PSU and the motherboard is inevitable in this case, so I'll wait for the opportunity to visit the computer center once it is open in my country and move from there. Thank you again (y)
 
To avoid us having to ask for an update every couple of days we will close this thread until the OP has the time available to work towards resolving the issue, PM a member of staff when you are ready and the thread can be reopened.
 
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