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A Desktop PC built from off-the-shelf DIY parts, rather than a prebuilt from a major manufacturer. These can also be built by an SI using off-the-shelf parts.

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Booting Issues, specifically with video output

Hi there,

I’m running into a slight issue with my system which before today has been working fine with no issues - it is taking absolutely forever to boot properly and sometimes doesn’t boot at all. I press the power button, all the RGB inside the tower turns on and my peripherals & monitor turn on, but within 5 seconds the peripherals and monitor switch off due to no signal. Then I wait about 5-10 minutes and with about 25% probability the system boots and the windows Lock Screen shows as normal. If it hasn’t booted within 10 mins then I force shutdown the PC by holding the power button and then start again…

Things I’ve tried:

- Unplugging power cord, pressing power button a few times and waiting 10/15 minutes then trying to boot again

- Unplugged all peripherals and then replugged keyboard & monitor and attempting to boot

- Opened case, reseated the GPU while cleaning the entire MB and parts of dust

- Reseated RAM by placing in different order than before

- Resetted CMOS by shorting the two pins at the bottom of my MB

Update: I have since updated the BIOS so that it is on the latest version, and the keyboard and mouse now remains on however the monitor is not receiving any signal, even after waiting for 10/15 minutes and trying again, it seems I now cannot get on my computer at all, really don’t know what to do !

PC Specs:

- MB: Asus Prime X570-P

- PSU: Corsair CX650F (650W)

- GPU: MSi RTX 3060ti Gaming Z Trio

- CPU: Ryzen 7 3700X (OC’d to 4.2GHz)

- RAM: 4 x Corsair Vengeance Pro 8GB DDR4 3000MHz

- Storage: 1 x Samsung 980 Pro 1TB M.2 NVMe (this is the drive with windows installed), 1 x Samsung 980 Pro 2TB M.2 NVMe, 1 x Super old but sturdy Seagate 1TB HDD

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Hi,

Some other things to try:

  • Connect a system speaker (example only) to the header pins of the system panel connector on the motherboard (see p1-15 of the user manual for location and connection details) and check if there are any beep error codes heard on startup. I'm wondering if the PC is passing POST (Power On Self Test)
  • If you have a DMM (digital multimeter) check that the PSU voltages are all OK by doing the paperclip test

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Reading through what troubleshooting steps you've gone through you've definitely hit a lot of routes so lets check a few things.

you unfortunately don't have any Dr. Debug LED's on that motherboard from what i've seen.

I don't want to really believe the GPU is the culprit but do the fans spin to life at all when you try to first boot?

Have you made sure all cables to and from the PSU are seated properly?

have you tried checking the CPU's pins or swapped out the CPU for another?

if you cannot do the last statement (swapping), could you remove the cooler, clean the paste and feel if the CPU heats up at all with your fingers when you power it on? (you can do this just don't have the system on for longer than 15-20 seconds)

If none of the above, the worst case scenario off the bat is a motherboard fault whether it be a power delivery issue or something else.

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William Cottam 将永远感激不已
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