asus Z87M-plus shutdowns

eddieprice19 · Feb 23, 2014

I I have an Asus Z87M with i5-4670 cpu. When I first switch ON it often shuts down after a few seconds. It then self restarts, but will again shut down. It repeats this for 10 minutes or so before finally settling down. Does anyone have any ideas how to stop it. I fitted an anti surge unit to the mains input.

smorizio · Feb 24, 2014

there can be two types of shut downs with new motherboards. one is a ram to cpu timing failure shutdown where the mb powers off for a few seconds to try and set the ram clock speed to the cpu bus speed. if it fails the mb goes into a boot loop. To see if this is going on on your mb. use one dimm and see if it changes. if not make sure the mb bios is up to date and in the bios xmp profile is turned on and your running in standard mode. asus has a performace mode that changes the bus speed and can cause issues. also check that the ram you have is standard 1600 ram at 1.5v. if it 2100 or faster ram that you have you may have to in the bios bump up the dram voltage. if it not the ram causing a reboot it could be a weak power supply. does the pc reboot loop with just the onboard video?? what brand and size power supply is in the case?? if it not a power supply issues check that the case fans if there plugged into the mb or usb cable and devices plugged into the usb port are not pulling more power then then mb can give at post. (try unplugging the case fans and all usb other then keyboard and mouse.)
last would be to check for pinched or cut wires.

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asus Z87M-plus shutdowns

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