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AnsweredPOST Code 4 on Booting Z390 Dark

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jboudwin SSC Member Total Posts : 504 Reward points : 0 Joined: 1/2/2010 Location: Central Jersey...and yes it IS the Garden State Status: offline Ribbons : 2 Thursday, October 03, 2019 2:52 PM (permalink) Computer stops at POST code 4 on booting Z390 Dark. Manual says it means "South Bridge initialization before microcode loading". How do I fix this? System specs are in signature below. Mobo...EVGA Z390 Dark CPU...I9 9900K . GPU...EVGA GTX 2080 Ti . RAM...Corsair Vengeance RGB PRO 32 GB 3200MHz SSD...Samsung V-NAND SSD 970 EVO NVMe M.2 2x2TB PSU...Silverstone Strider 1500W Case...CoolerMaster HAF CPU waterblock... EVGA 240mm CLC OS...Windows 10 Professional 64bit Headphones...Beyerdynamic DT770 Pro Monitor...BenQ 27" 120Hz X2 http://www.heatware.com/eval.php?id=72035 Affiliate code...3NHCVGU6U9 #1 See best answerList Solutions Only 7 Replies Related Threads
Cool GTX EVGA Forum Moderator Total Posts : 31353 Reward points : 0 Joined: 12/12/2010 Location: Folding for the Greater Good Status: offline Ribbons : 123 Re: POST Code 4 on Booting Z390 Dark Thursday, October 03, 2019 3:03 PM (permalink) ☄ Helpfulby Cool GTX Sunday, October 13, 2019 5:01 PM Is this a New build or a new issue with an existing PC ? Have you tried the second BIOS ? (maybe there is a corruption of first BIOS ?) Learn your way around the EVGA Forums, Rules & limits on new accounts Ultimate Self-Starter Thread For New Members I am a Volunteer Moderator - not an EVGA employee **Older RIG projects RTX Project Nibbler** When someone does not use reason to reach their conclusion in the first place; you can't use reason to convince them otherwise! #2
Sajin EVGA Forum Moderator Total Posts : 49227 Reward points : 0 Joined: 6/8/2010 Location: Texas, USA. Status: offline Ribbons : 199 Re: POST Code 4 on Booting Z390 Dark Thursday, October 03, 2019 4:27 PM (permalink) Disconnect all usb devices except the keyboard & mouse. See if that helps you boot up. See my current build here: https://forums.evga.com/My-bench-rig-unlimited-power-m3596024.aspx RTX 2080 Ti 4-way SLI?!?!: https://forums.evga.com/RTX-2080-Ti-4way-SLi-set-by-yours-truly-m2954756.aspx #3
jboudwin SSC Member Total Posts : 504 Reward points : 0 Joined: 1/2/2010 Location: Central Jersey...and yes it IS the Garden State Status: offline Ribbons : 2 Re: POST Code 4 on Booting Z390 Dark Thursday, October 03, 2019 11:37 PM (permalink) I built it about 6 months ago. Was running fine until this problem. i'll try both suggestions. Mobo...EVGA Z390 Dark CPU...I9 9900K . GPU...EVGA GTX 2080 Ti . RAM...Corsair Vengeance RGB PRO 32 GB 3200MHz SSD...Samsung V-NAND SSD 970 EVO NVMe M.2 2x2TB PSU...Silverstone Strider 1500W Case...CoolerMaster HAF CPU waterblock... EVGA 240mm CLC OS...Windows 10 Professional 64bit Headphones...Beyerdynamic DT770 Pro Monitor...BenQ 27" 120Hz X2 http://www.heatware.com/eval.php?id=72035 Affiliate code...3NHCVGU6U9 #4
jboudwin SSC Member Total Posts : 504 Reward points : 0 Joined: 1/2/2010 Location: Central Jersey...and yes it IS the Garden State Status: offline Ribbons : 2 Re: POST Code 4 on Booting Z390 Dark Saturday, October 05, 2019 1:31 AM (permalink) ☼ Best Answerby Cool GTX Saturday, October 05, 2019 2:50 AM BIOS update did the trick. Very convenient that the mobo has a new BIOS at the flip of a switch on the motherboard. What I realized though is that each BIOS has to be updated individually. Mobo...EVGA Z390 Dark CPU...I9 9900K . GPU...EVGA GTX 2080 Ti . RAM...Corsair Vengeance RGB PRO 32 GB 3200MHz SSD...Samsung V-NAND SSD 970 EVO NVMe M.2 2x2TB PSU...Silverstone Strider 1500W Case...CoolerMaster HAF CPU waterblock... EVGA 240mm CLC OS...Windows 10 Professional 64bit Headphones...Beyerdynamic DT770 Pro Monitor...BenQ 27" 120Hz X2 http://www.heatware.com/eval.php?id=72035 Affiliate code...3NHCVGU6U9 #5
Cool GTX EVGA Forum Moderator Total Posts : 31353 Reward points : 0 Joined: 12/12/2010 Location: Folding for the Greater Good Status: offline Ribbons : 123 Re: POST Code 4 on Booting Z390 Dark Saturday, October 05, 2019 2:50 AM (permalink) Glad the BIOS update worked Learn your way around the EVGA Forums, Rules & limits on new accounts Ultimate Self-Starter Thread For New Members I am a Volunteer Moderator - not an EVGA employee **Older RIG projects RTX Project Nibbler** When someone does not use reason to reach their conclusion in the first place; you can't use reason to convince them otherwise! #6
XrayMan Insert Custom Title Here Total Posts : 63846 Reward points : 0 Joined: 12/15/2006 Location: Santa Clarita, Ca. Status: offline Ribbons : 115 Re: POST Code 4 on Booting Z390 Dark Sunday, October 13, 2019 7:46 AM (permalink) My Affiliate Code: 8WEQVXMCJL Associate Code: VHKH33QN4W77V6A &nbsp #7
rjohnson11 EVGA Forum Moderator Total Posts : 85038 Reward points : 0 Joined: 10/5/2004 Location: Netherlands Status: offline Ribbons : 86 Re: POST Code 4 on Booting Z390 Dark Sunday, October 13, 2019 7:58 AM (permalink) So recheck and make sure that both BIOs are updated and the numbers on each BIOs match. AMD Ryzen 9 7950X, Corsair Mp700 Pro M.2, 64GB Corsair Dominator Titanium DDR5 X670E Steel Legend, MSI RTX 4090 Associate Code: H5U80QBH6BH0AXF. I am NOT an employee of EVGA #8

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