As Rock z370 Pro 4 not turning on

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   Desktop motherboard won't turn on after power outage/ if wall socket is switched off for a while. Power supply is working well. 

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Timaya Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 01 Apr 2023 Location: Zimbabwe Status: Offline Points: 65	Post Options Post Reply Quote Timaya Report Post Thanks(0) Quote Reply Topic: As Rock z370 Pro 4 not turning on Posted: 01 Apr 2023 at 3:34pm
	Desktop motherboard won't turn on after power outage/ if wall socket is switched off for a while. Power supply is working well.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 01 Apr 2023 at 4:47pm
	Could be the CMOS battery has died. Does the system eventually power on? If so, what do you have to do to make it turn on?


Timaya Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 01 Apr 2023 Location: Zimbabwe Status: Offline Points: 65	Post Options Post Reply Quote Timaya Report Post Thanks(0) Quote Reply Posted: 01 Apr 2023 at 6:11pm
	If I reset the cmos (removing the battery & power cable then long pressing power button for about 30 seconds). After resetting it it then powers on and performs great.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 01 Apr 2023 at 6:16pm
	Try a new CMOS battery, it sounds like the one in there is dying/dead. It's just a standard CR2032 so should be easy to find


Timaya Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 01 Apr 2023 Location: Zimbabwe Status: Offline Points: 65	Post Options Post Reply Quote Timaya Report Post Thanks(0) Quote Reply Posted: 01 Apr 2023 at 11:29pm
	It came with a new cmos battery, I even bought a new one but the problem persists??

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 02 Apr 2023 at 12:42am
	If the system loses power unexpectedly it can cause BIOS value corruption. That will also cause it to not POST when power is restored. Given your location I would imagine you often have the power go out while the system is in use. If you exprerience power loss on a regular basis another option would be to simply remove the CMOS battery. You will lose your BIOS values on power loss but at least you won't need to open up the PC every time. As soon as you enter windows an go online your date and time should update automatically. Not an ideal solution but I can't think of anything better. You could try opening a support ticket with ASRock, they may be able to give you a better solution: http://event.asrock.com/tsd.asp Good luck


Timaya Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 01 Apr 2023 Location: Zimbabwe Status: Offline Points: 65	Post Options Post Reply Quote Timaya Report Post Thanks(0) Quote Reply Posted: 29 Jul 2023 at 4:26pm
	Problem solved after changing the power supply.