X370 TaiChi issues

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   Hi,

I have a x370 TaiChi, running BIOS 5.10. Currently I'm having an issue whereby the computer is booting to BIOS. It can be forced it to boot windows from Boot Overide in the exit menu in BIOS. That's the only way I can get into windows.

Major changes, it had been running fine with a r5 1600, however, today I replaced that with a r7 2700. This issue has happened ever since.

Steps I've tried,

*Reset CMOS (PSU unplugged)
*Tried reflashing bios, but board wouldn't let me.
*Changed fan header for the CPU (now on CPU 1).
*Tried changing fans.
*Tried changing the boot sequence.

I just can't see anything amiss, it's all plugged in properly, the only hardware change has been the r7 2700, didn't clear CMOS first, so spent a bit of time boot looping (possibly due to previous OC settings). I'm not a novice builder and this has me stumped.

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NeoFlare Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Apr 2019 Status: Offline Points: 7	Post Options Post Reply Quote NeoFlare Report Post Thanks(0) Quote Reply Topic: X370 TaiChi issues Posted: 03 Apr 2019 at 6:58pm
	Hi, I have a x370 TaiChi, running BIOS 5.10. Currently I'm having an issue whereby the computer is booting to BIOS. It can be forced it to boot windows from Boot Overide in the exit menu in BIOS. That's the only way I can get into windows. Major changes, it had been running fine with a r5 1600, however, today I replaced that with a r7 2700. This issue has happened ever since. Steps I've tried, Reset CMOS (PSU unplugged) Tried reflashing bios, but board wouldn't let me. Changed fan header for the CPU (now on CPU 1). Tried changing fans. *Tried changing the boot sequence. I just can't see anything amiss, it's all plugged in properly, the only hardware change has been the r7 2700, didn't clear CMOS first, so spent a bit of time boot looping (possibly due to previous OC settings). I'm not a novice builder and this has me stumped.

NeoFlare Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Apr 2019 Status: Offline Points: 7	Post Options Post Reply Quote NeoFlare Report Post Thanks(0) Quote Reply Posted: 03 Apr 2019 at 7:08pm
	One of the other things I tried, I tried loosening the cpu cooler in case there was too much tension on the board.

xhue Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 17 Aug 2018 Status: Offline Points: 634	Post Options Post Reply Quote xhue Report Post Thanks(0) Quote Reply Posted: 03 Apr 2019 at 7:25pm
	I think you should clear CMOS once more and re-deploy Windows, whichever version it is.

NeoFlare Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Apr 2019 Status: Offline Points: 7	Post Options Post Reply Quote NeoFlare Report Post Thanks(0) Quote Reply Posted: 03 Apr 2019 at 7:35pm
	I can give it a go. Reason it didn't re-flash BIOS was that I was trying to flash the same version. I'll try again, also going to try putting the r5 1600 back in and see what happens (if clearing CMOS doesn't work). I just can't stop it booting straight into BIOS, the codes look normal as well. Loaded up UEFI defaults a number of times too. Win10 Pro (1809)

NeoFlare Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Apr 2019 Status: Offline Points: 7	Post Options Post Reply Quote NeoFlare Report Post Thanks(1) Quote Reply Posted: 03 Apr 2019 at 8:55pm
	Don't know how many people will read this, but, this makes sure the information is out there for google to have a chance of finding it. To fix this issue, I needed to set everything in Boot/CSM (compatibility Support Module) to UEFI only. That's what fixed my problem.

gizmic Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 13 Jun 2018 Location: Hong Kong Status: Offline Points: 677	Post Options Post Reply Quote gizmic Report Post Thanks(0) Quote Reply Posted: 04 Apr 2019 at 2:05pm
	yes the system will crash in the loading screen if you are using the wrong mode to load windows in your case it seems you loaded windows with legacy mode while you installed windows with uefi mode and forgot that you did.