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Asus Maximus XI Hero Turns On Then Off Immediately

mv577
By mv577
in Troubleshooting
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Thinking I found the short... Thoughts?

IMG_20191228_110604.jpg

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Asus Maximus XI Hero

i9-9900k

Corsair RM850x

 

Fresh build. Hit power button and the system turns on then immediately off. Unplug CPU power cables, 8 pin and 4 pin, the system stays powered on but obviously can't do anything with CPU power.

 

Tried different psu cables and verified connections. Reseated CPU, checked for socket damage. No luck.

 

Still debugging, hoping someone here has some ideas.

 

Thank you in advance.

 

Mike

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No RAM?

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Can't get that far... 

 

Pc only turning on when the CPU power is disconnected.

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47 minutes ago, mv577 said:

Thinking I found the short... Thoughts?

IMG_20191228_110604.jpg

Try clean that area as best you can with something like isopropyl alcohol. Also check the socket for any irregularities on the pins.

 

I also noticed what seems to be a missing capacitor on the CPU. If you look closely on the left of the image you can see bare solder where a capacitor would usually be.

Workstation:

Intel Core i7 6700K | AMD Radeon R9 390X | 16 GB RAM

Mobile Workstation:

MacBook Pro 15" (2017) | Intel Core i7 7820HQ | AMD Radeon Pro 560 | 16 GB RAM

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Best Buy is good for something... Returned the CPU and motherboard for new ones... It posted no problem first try.

 

Thank you for the replies.

 

Mike

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Best Buy is good for something... Returned the CPU and motherboard for new ones... It posted no problem first try.

 

Thank you for the replies.

 

Mike

IMG_20191228_165940.jpg

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