New PC build,no power

dan958

custardy said:

dan958 said:

Tried different PSU cables? (like the motherboard connector, and cpu power). Chances of them causing any issues is so unlikely though.

The new psu is modular and the old PSU is fixed so I cant swap cables unfortunately.
I'll be honest I cant think of anything but two DOA motherboards.
I can see an RMA in my future

If you've used a modular and a fixed, then its not the cables. I was just testing in case you were using modular for both PSUs, but were using the same cables.

forgotmyname

MB compatible with the 3600 without an update?

custardy

forgotmyname said:

MB compatible with the 3600 without an update?

Yeah listed as compatible. Even has a big sticker on the box to confirm.

So I got to the point there was nothing left and I did the paperclip test with the mobo attached.
PC came to life . Nothing else on the board as I wasnt risking GPU's/CPUs!
So I guess I build it up tomorrow and see if it outputs video and go from there?
Mobo has warning leds so might get some info from them. 
With no onboard graphics I will have to put the graphics cards in.

So we shall see tomorrow.

a

dud memory?

custardy

a said:

dud memory?

No idea but I tried booting without ram previously so Im still thinking its something mobo/psu
The fact it only fires up with the PSU hot wired means something isnt right for sure.
Ill get into it tomorrow morning and see what I can get from it

custardy

No video output detected. 
On the board debug LEDs the CPU led is lit. Also the RAM RGB isnt lit. Never having had such amazing tech  I have no idea if these RGBs are lit from power on or require boot.
Removed the jumper from the PSU and back to no boot.

custardy

Unbelievably back again. Never has a PC build took so long!
So ordered a completely different mobo. different make/chipset
Installed just the CPU,stock cooler and built it up outside the case. Nothing, no power.
Bridged the PSU and it fired up.
I can build the whole thing up with ram and GFX card and it runs as long as that PSU connector is bridged. 
No error lights on the new motherboard DEBUG leds

So PSU gives power so Im wondering if its the CPU. Mighty fed up of this one.

Sasahara

It could be the CPU, but that is extremely rare.

The paper clip test only confirms the PSU isn't completely dead, it could still be the problem.  Unless you have an older PC to test it on or a dedicated tester / multimeter.

Ram is also a contender, have you tried 1 stick (assuming you have 2)

Also what so you mean by "runs as long as that PSU connector is bridged"?  What are you able to see, are you able to get into the UEFI?

custardy

Sasahara said:

It could be the CPU, but that is extremely rare.

The paper clip test only confirms the PSU isn't completely dead, it could still be the problem.  Unless you have an older PC to test it on or a dedicated tester / multimeter.

Ram is also a contender, have you tried 1 stick (assuming you have 2)

Also what so you mean by "runs as long as that PSU connector is bridged"?  What are you able to see, are you able to get into the UEFI?

Hi,  yeah tried ram in single stick and different slots.
I get no video at all with everything plugged in and running eg GFX,CPU etc For the money Ive spent it would be nice to at least see a bios 
I have an old PSU I have tried.
Im thinking it would be unlikely to have the same fault on 2 PSUs with one being brand new.
I have checked the new PSU on a multimeter and it gives the expected voltages with no load.
Ive ordered another CPU as Im at the point I just need the bloody thing to work. If the CPU doesnt fix it then I'll decide if Im going PSU or ram but I have brand new on both so its just seeing whats being returned.

Sasahara

Is your monitor and HDMI (or other cable), working, tried different cable types if possible?

I assume you only have 1 GPU to test with?

I have heard Ryzen can be a bit finicky with ram, I've only built one Ryzen system so far R5 2600X, but it was one of the easiest builds, didn't have any issues.