Z170M Pro4S - not start after update to beta 2.23

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   Hello there.
I have a problem. I am building one rig for my friend and I chose this MB. It comes with BIOS 1.00, so I updated it to to last stable version 2.20. During some version there were problem, that it can't be flashed, because of secure check fail. I tried different flash drives and repeated download. Sometimes it successful update after few reboots.

Everything works fine, I installed OS (Windows 10) and then I go to flash beta BIOS 2.23 with SkyOC support. I go to Instant Flash and chose the beta version. It successful finished and then asked "Press enter to reboot". I pressed Enter, PC reboots and then black screen and after few seconds first beep error code - 2 shorts (Memory parity error), after another few seconds next error with 5 shorts (Processor error) and last is 9 shorts (ROM checksum error). And then it repeats.

I guess MB or BIOS ROM is defective after beta update. Any suggestions? Is there any options for BIOS recovery?

Thank you, Merry Christmas and Happy New Year.

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Koky999 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Dec 2015 Location: Czech Republic Status: Offline Points: 9	Post Options Post Reply Quote Koky999 Report Post Thanks(0) Quote Reply Topic: Z170M Pro4S - not start after update to beta 2.23 Posted: 25 Dec 2015 at 4:40pm
	Hello there. I have a problem. I am building one rig for my friend and I chose this MB. It comes with BIOS 1.00, so I updated it to to last stable version 2.20. During some version there were problem, that it can't be flashed, because of secure check fail. I tried different flash drives and repeated download. Sometimes it successful update after few reboots. Everything works fine, I installed OS (Windows 10) and then I go to flash beta BIOS 2.23 with SkyOC support. I go to Instant Flash and chose the beta version. It successful finished and then asked "Press enter to reboot". I pressed Enter, PC reboots and then black screen and after few seconds first beep error code - 2 shorts (Memory parity error), after another few seconds next error with 5 shorts (Processor error) and last is 9 shorts (ROM checksum error). And then it repeats. I guess MB or BIOS ROM is defective after beta update. Any suggestions? Is there any options for BIOS recovery? Thank you, Merry Christmas and Happy New Year.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 25 Dec 2015 at 5:29pm
	Merry Christmas You are getting activity from the board so the flash is not bad. Remove the power from the system then take out the battery and set the clear CMOS jumper in the clear position. After about an hour or so return the clear CMOS jumper to it's default position then replace the battery and power up the system again. Any time you have post issues after a BIOS flash the first step is always to clear CMOS.

Koky999 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Dec 2015 Location: Czech Republic Status: Offline Points: 9	Post Options Post Reply Quote Koky999 Report Post Thanks(0) Quote Reply Posted: 25 Dec 2015 at 5:33pm
	I forget to write I tried to clear CMOS. I will try your process. I tried remove battery and set jumper for only 10 minutes, but I will try an hour. Thanks.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 25 Dec 2015 at 5:56pm
	If it comes to it and you can't get the system to post you can purchase a new BIOS chip directly from ASRock for $5.00. You can find the info here.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 25 Dec 2015 at 6:25pm
	2..20 Has an ME update. Did you leave the usb stick while rebooting after it flashed the BIOS?

Koky999 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Dec 2015 Location: Czech Republic Status: Offline Points: 9	Post Options Post Reply Quote Koky999 Report Post Thanks(0) Quote Reply Posted: 25 Dec 2015 at 6:31pm
	I plugged it off when I booted to Windows after flashing 2.20, not while rebooting. I think...

Koky999 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Dec 2015 Location: Czech Republic Status: Offline Points: 9	Post Options Post Reply Quote Koky999 Report Post Thanks(0) Quote Reply Posted: 26 Dec 2015 at 1:07am
	Well I tried to Clear CMOS and pull battery out for few hours and still didn't work. I hope new CMOS memory will help

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 26 Dec 2015 at 1:49am
	A new BIOS chip should sort out your problems. As far as I am aware you can order the chip with the BIOS version of your choice so be sure to order one with the Sky-OC BIOS version preflashed.

Koky999 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Dec 2015 Location: Czech Republic Status: Offline Points: 9	Post Options Post Reply Quote Koky999 Report Post Thanks(0) Quote Reply Posted: 26 Dec 2015 at 1:57am
	Yes, that is exactly what I want to try. Thanks for help. I will write when I will receive new chip with my results.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 26 Dec 2015 at 1:57am
	Good luck to you