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Newly built PC endlessly reboots without POST

Algalon
By Algalon
in Troubleshooting
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Posted

Specs:

Motherboard: GA-Z270XP-SLI

CPU: Intel i5-7600K

RAM: 1x Corsair Vengeance LPX DDR4 2400MHz

PSU: EVGA BRONZE 80 PLUS 500W

Graphics Card: EVGA ACX 3.0 GTX1070 SC

Cooler: Cryorig M9i

 

The PC is newly assembled and won't post (Monitor says "No Signal"). The CPU and DRAM LEDs on the board light up alternately, indicating something's wrong. When the power is pressed, lights go on and the fans spin. The beep code is repeated 2-second long beeps which continue for about 4.5 beeps until the PC shuts down on its own. It restarts on its own after a few seconds and the process repeats.

 

I can only suspect there is something wrong with the RAM but I'll have to obtain a new stick to test it, which I don't yet have.

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Check the mobo manual, it'll tell you what the code means. 

Intel HEDT and Server platform enthusiasts: Intel HEDT Xeon/i7 Megathread 

 

Main PC 

CPU: i9 7980XE @4.5GHz/1.22v/-2 AVX offset 

Cooler: EKWB Supremacy Block - custom loop w/360mm +280mm rads 

Motherboard: EVGA X299 Dark 

RAM:4x8GB HyperX Predator DDR4 @3200Mhz CL16 

GPU: Nvidia FE 2060 Super/Corsair HydroX 2070 FE block 

Storage:  1TB MP34 + 1TB 970 Evo + 500GB Atom30 + 250GB 960 Evo 

Optical Drives: LG WH14NS40 

PSU: EVGA 1600W T2 

Case & Fans: Corsair 750D Airflow - 3x Noctua iPPC NF-F12 + 4x Noctua iPPC NF-A14 PWM 

OS: Windows 11

 

Display: LG 27UK650-W (4K 60Hz IPS panel)

Mouse: EVGA X17

Keyboard: Corsair K55 RGB

 

Mobile/Work Devices: 2020 M1 MacBook Air (work computer) - iPhone 13 Pro Max - Apple Watch S3

 

Other Misc Devices: iPod Video (Gen 5.5E, 128GB SD card swap, running Rockbox), Nintendo Switch

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Have you reseated everything?

Main System: Phobos

AMD Ryzen 7 2700 (8C/16T), ASRock B450 Steel Legend, 16GB G.SKILL Aegis DDR4 3000MHz, AMD Radeon RX 570 4GB (XFX), 960GB Crucial M500, 2TB Seagate BarraCuda, Windows 10 Pro for Workstations/macOS Catalina

 

Secondary System: York

Intel Core i7-2600 (4C/8T), ASUS P8Z68-V/GEN3, 16GB GEIL Enhance Corsa DDR3 1600MHz, Zotac GeForce GTX 550 Ti 1GB, 240GB ADATA Ultimate SU650, Windows 10 Pro for Workstations

 

Older File Server: Yet to be named

Intel Pentium 4 HT (1C/2T), Intel D865GBF, 3GB DDR 400MHz, ATI Radeon HD 4650 1GB (HIS), 80GB WD Caviar, 320GB Hitachi Deskstar, Windows XP Pro SP3, Windows Server 2003 R2

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  • Author
10 minutes ago, Jamiec1130 said:

Have you reseated everything?

Yes and UPDATE: Upon removal of the CPU, I have a couple of bent pins. I will now conduct surgery on the socket.

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1 hour ago, Algalon said:

Yes and UPDATE: Upon removal of the CPU, I have a couple of bent pins. I will now conduct surgery on the socket.

Be careful!

Main System: Phobos

AMD Ryzen 7 2700 (8C/16T), ASRock B450 Steel Legend, 16GB G.SKILL Aegis DDR4 3000MHz, AMD Radeon RX 570 4GB (XFX), 960GB Crucial M500, 2TB Seagate BarraCuda, Windows 10 Pro for Workstations/macOS Catalina

 

Secondary System: York

Intel Core i7-2600 (4C/8T), ASUS P8Z68-V/GEN3, 16GB GEIL Enhance Corsa DDR3 1600MHz, Zotac GeForce GTX 550 Ti 1GB, 240GB ADATA Ultimate SU650, Windows 10 Pro for Workstations

 

Older File Server: Yet to be named

Intel Pentium 4 HT (1C/2T), Intel D865GBF, 3GB DDR 400MHz, ATI Radeon HD 4650 1GB (HIS), 80GB WD Caviar, 320GB Hitachi Deskstar, Windows XP Pro SP3, Windows Server 2003 R2

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I have successfully manipulated microns-thick pins and the thing has booted fine. I have made it to BIOS and run Windows and I think I'm out of the water!

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