Custom build pc powering on, but no display, no BIOS, no monitor beep.

joecutting · Mar 7, 2016

I custom built my own PC back in 2011, and it has been working perfectly ever since.

The other night it decided to switch itself off, and when I tried turning it back on, it decided it would power cycle.

I took the opportunity for a complete upgrade and replaced the motherboard, CPU, power supply and upgraded the RAM.

Now I have come to power on my "New" rig, it powers on but I have no display, no BIOS, no monitor beep.

I have stripped the PC back and tried to run with nothing but CPU fan and monitor connected, but still nothing.

Current build:

Intel Core i5-4690K 3.5GHz Quad-Core (NEW)
Corsair H100i GTX 70.7 CFM Liquid CPU Cooler (NEW)
Asus SABERTOOTH Z97 MARK S ATX LGA1150 Motherboard (NEW)
Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (NEW)
Intel 730 Series 480GB 2.5" Solid State Drive
Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive
MSI GEFORCE N660 GAMING 2GD5/OC TF IV
Corsair 500R White ATX Mid Tower Case
Corsair 850W 80+ Gold Certified Fully Modular ATX Power Supply (NEW)

Was running windows 7

Any ideas on why I currently have no use?

alexoiu · Mar 7, 2016

Is there a led that stays red when starting the board with CPU, CPU fan and single RAM module?

joecutting · Mar 7, 2016

alexoiu :

Yes at the right near the MemOK! button.

alexoiu · Mar 7, 2016

There's a memory issue. Try leaving single RAM module installed and testing each slot. See if reg DRAM LED in each case.

joecutting · Mar 7, 2016

I will try each slot when I get back from work.

I have tried starting the machine with no RAM. I still didn't get a graphics beep, I still didn't get the BIOS screen.

I believed starting with no RAM would still give me the BIOS? Is this assumption wrong?

alexoiu · Mar 7, 2016

"I believed starting with no RAM would still give me the BIOS? Is this assumption wrong?"
The system needs RAMs for POST-ing. As for beeps, is a case speaker http://images17.newegg.com/is/image/newegg/12-201-032-TS?$S640W$ connected to the board?
However, I suggest testing firstly and then deciding.

joecutting · Mar 7, 2016

This has worked, I need to rearrange the RAM! Thank you!

The only error now is that my h100i gtx cooler is having an error on start-up.

The BIOS is not recognising the CPU cooler. It's showing CPU cooler N/A.

alexoiu · Mar 7, 2016

No problem. How is the cooler connected?

joecutting · Mar 7, 2016

It is connected to the CPU_Fan socket at the top of the motherboard.

I have also attached the corsair link to the USB socket on the bottom of the motherboard.

When I turn the PC on the fans are turning and the light is on, but the CPU fan error is coming up on the POST.

alexoiu · Mar 7, 2016

Try setting in BIOS the CPU_Fan speed low limit to 300, or 200, or ignore.

joecutting · Mar 7, 2016

Changing the lower limit does not have any impact.

Is this because it is water cooling with dual fans?

alexoiu · Mar 7, 2016

Can you explain exactly how fans and pump are connected?

joecutting · Mar 7, 2016

They are connected as per the manual.

The pump is plugged into the motherboard directly via CPU_FAN and then the 2 fans are connected to the pump (cable off the back of the CPU_FAN socket.

So pump and both fans are going through the CPU_FAN socket.

alexoiu · Mar 7, 2016

Try connecting the 2 fans to the CPU_Fan and the pump to the CPU Opt Fan.

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Custom build pc powering on, but no display, no BIOS, no monitor beep.

joecutting

Commendable

alexoiu

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

joecutting

Commendable

alexoiu

Titan

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