New build woes! Not even a fan works

Arpegius

Arpegius

Arpegius

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Joined
10 Mar 2004
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1,012
Location
Leeds
Hi everyone, after a long time away, I need some help! Tried building a new rig and appreciate my last build was over 10 years ago but gave it a shot anyway. Needless to say, it has ended in failure hence me asking for some help. My components are below:
ASRock B450M Pro4-F mobo
Aerocool Cyclon 700w PSU
Ryzen 5 2600X
XFX Radeon RX 570
Adata XPG Gammix D10 8GB 3000 MHz RAMx2
Thermaltake Versa H17 case
Adata XPG SX8200 512GB SSD

Tried installing everything in order:
CPU lock opened, CPU in the right orientation, lock bar closed.
Heat skin screws taken off mobo and whatever the metal bars are as well. AMD stock heat sink inserted and screwed in place, fan attached to mobo
RAM installed in nearest 2 RAM slots and clicked in place
PSU screwed into case
Mobo installed in case with screws to risers to secure
Case cables like power butting, power LED and reset button plugged into mobo
SSD installed and screwed in to mobo
20 pin mobo power cable and 8 pin acPU cable slotted in securely
Graphics card installed and 8 pin power cable fitted
USB 3 and “normal” usb connectors plugged into mobo. Case fan plugged in as well
PSU switched on (makes a faint whirring noise)
Power button pressed - nothing happened! Made sure kettle lead plugged into working socket

Took everything apart and tried an outside the case build after removing case to mobo buttons and re checking manual to make sure I hadn’t plugged the in the wrong way.
I’ve now go PSU connected to mobo by 20 and 8 pin connector, CPU and heatsink connected, heatsink fan to mobo, graphics card installed, RAMx2 in, case power cables to mobo. Still nothing

I presume I’ve done something really stupid, can one of you geniuses let me know what I’ve missed? Happy to answer any questions you may have. Apologies for my incompetence!

edit: is it my RAM which is incomparable at 3000MHz?
 
Last edited:
Arpegius said:
Sorry, may be 24pin. The one that fits nicely into the mobo
Click to expand...
Yes
Old boards were 20 pins
New ones 24
So was just double checking
Try removing bios battery for at least 10 minutes half an hour if you can
My new build suddenly went dead recently
Nothing I tried fixed it until I took bios battery out for 30 minutes then it magically sprung to life
Been fine ever since
 
Ok, BIOS battery out (the round Lithium Ion one) and we wait...
What’s the minimum number of components I need plugged in to see the fans working?
 
Arpegius said:
Ok, BIOS battery out (the round Lithium Ion one) and we wait...
What’s the minimum number of components I need plugged in to see the fans working?
Click to expand...
Probably just the power to motherboard
Lot of boards now will bios flash with no cpu etc
Though not needed to do less than cpu.,ram,gpu in long while
 
So bios battery back in, tried shorting again but nothing
Things currently plugged in: CPU and heatsink, heatsink fan, 24 and 8 pin power, RAMx2 and SSD
 
No leds flicker on the board or anything?
And definitely shorting the correct
2 pins for the power?
Sometimes it's hard to see the labelling on those front panel pins
 
Believe he said heard the psu fan spin so shouldn't need paperclip test
Not a psu I have seen guessing it's a budget psu though
3000mhz ram shouldn't stop power
Blue screen at worst I would think
And probably at 2133mhz anyway until xmp gets set
Edit
And yes ram in a2 and b2 as someone said
Not sure that would stop it getting power
But never say never with computers
 
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