Question Extremely slow startup (ASUS WS X299 PRO/SE)

Mar 21, 2024
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Hello everyone

I'm coming to you because I'm TOTALLY stumped (and yet I'm from the business).

For the background, 2 years ago I got an i9-7900X processor, an Asus WS X299 PRO/SE motherboard and 16GB of RAM.
The whole thing works very well, I've got several SSD/HDD plugged into it, an RTX 3070, in short, it runs very well even if it's not the very latest generation I can hear (Windows 11 runs very badly on it, for example, I had to rollback to Windows 10).

On the other hand, I do have one problem, and that's the slowness - the enormous slowness - of starting up the PC to load the Bios. If the PC has no power (I turn off my power strip, for example), the first boot takes 1min30 / 2min (only for loading the BIOS). Once the "first boot" is done, as long as I don't cut the power again, it will display the boot loading between 30 seconds and 1 minute.
Obviously, if I reconnect the juice, it starts all over again.

Of course, I've updated the BIOS, I've messed around with it, I've changed the power supply since then, I've plugged/unplugged the extra ATX ports (2 in addition to the main one) for the proc. I've disconnected all the SSD/HDD before testing them one by one, changing RAM and even changing processor (with a test one I was lent), the problem doesn't change, so for me it's more than linked to the CM... But it's not easy to find others, and apart from this problem, it works very well.

The only thing I can offer is that I filmed the CM's LED panel during boot-up and you can clearly see the "problem" appearing from 23 seconds onwards, when it settles on FF and starts counting down in the other direction (as with numbers but with letters instead) until it finds its "right moment" by freezing on it and before switching to another setting that will finally trigger the BIOS boot display.

Note that the code that triggers the boot changes each time, so it's not always E3!

View: https://youtu.be/z15qmD7Yq3U


If you have any clues... other than telling me to throw it in the garbage can, of course! After that, it's perhaps a problem with this generation of processor, especially as I'm working on equipment that's considered "pro", given the enormous prices of the equipment normally offered, and that it's a so-called "X" range.

Thanks for your feedback!
 
PSU: make, model, wattage, efficiency, condition (original to build, new, refurbished, used)?

You mentioned a power strip: is the power strip used to power down the system versus the Windows Shutdown logo?

Are you able to use verbose mode to observe the boot process? If so, then the system should provide some sort of step by step progress reports during the boot process.

Look in Reliability History/Monitor and Event Veiwer for any error codes, warnings, or informational events being captured when the system is trying to boot or afterwards