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So I built a new pc three weeks ago and it ran absolutely fine then I upgraded my graphics card and it worked absolutely fine as well and then yesterday I realised I didn’t put in the power led wires in so I did and since then my pc won’t post. I’ve tried removing everything and rebuilding it and it still doesn’t post. Everything turns on with the rgb and fans and pump of the Aio but there is no display at all on my tv. 

cpu - ryzen 9 3900x 

gpu - rtx 3090 

psu - Corsair hx 850w

mobo - Msi x570-A pro 

ram - trident z 3200Mhz 

 

any help would be greatly appreciated. 

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5 minutes ago, Ascension32 said:

So I built a new pc three weeks ago and it ran absolutely fine then I upgraded my graphics card and it worked absolutely fine as well and then yesterday I realised I didn’t put in the power led wires in so I did and since then my pc won’t post. I’ve tried removing everything and rebuilding it and it still doesn’t post. Everything turns on with the rgb and fans and pump of the Aio but there is no display at all on my tv. 

cpu - ryzen 9 3900x 

gpu - rtx 3090 

psu - Corsair hx 850w

mobo - Msi x570-A pro 

ram - trident z 3200Mhz 

 

any help would be greatly appreciated. 

Try start your PC without the CMOS battery installed

Intel Core i7-8700K (Custom IHS, Liquid metal) | ASUS GeForce RTX 3090 ROG STRIX @1815MHz 850mV  | G.SKILL TridentZ RGB 3600MHz CL16 32GB (4x8GB)

Samsung 49" Odyssey CRG9 QLED 32:9 | Corsair Gaming Audio Series SP2500

 

Full PC setup (+ all extras) in "System"-section of my >profile-page<

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6 minutes ago, BetteBalterZen said:

Try start your PC without the CMOS battery installed

okay i tried this and it still didnt work. my tv detects the display from the gpu and the motherboard but just says no signal.

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1 minute ago, Ascension32 said:

okay i tried this and it still didnt work. my tv detects the display from the gpu and the motherboard but just says no signal.

Have you tried another screen? 

Intel Core i7-8700K (Custom IHS, Liquid metal) | ASUS GeForce RTX 3090 ROG STRIX @1815MHz 850mV  | G.SKILL TridentZ RGB 3600MHz CL16 32GB (4x8GB)

Samsung 49" Odyssey CRG9 QLED 32:9 | Corsair Gaming Audio Series SP2500

 

Full PC setup (+ all extras) in "System"-section of my >profile-page<

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7 minutes ago, BetteBalterZen said:

Have you tried another screen? 

i had previously with no avail but i just did again now and it worked, thank you but do you have any idea why it now wont work my tv when its been working fine the last few weeks ?

 

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1 minute ago, Ascension32 said:

i had previously with no avail but i just did again now and it worked, thank you but do you have any idea why it now wont work my tv when its been working fine the last few weeks ?

 

Right so, we don't actually know if your computer was the problem, your TV, or both... But I'm glad your PC works 🙂

I know from experience that a PC that turns on but doesn't POST (display on screen) can be fixed by clearing CMOS (taking out the CMOS battery and installing it again) but sometimes just clearing CMOS isn't enough; you'd have to start the PC -without- the CMOS battery. Why? I have no idea. But it has worked for me a couple of times now. 

And with your TV. Try to pull the power completely from it. Pull out the power cable from the wall. Plug it in again, and try again. 

Intel Core i7-8700K (Custom IHS, Liquid metal) | ASUS GeForce RTX 3090 ROG STRIX @1815MHz 850mV  | G.SKILL TridentZ RGB 3600MHz CL16 32GB (4x8GB)

Samsung 49" Odyssey CRG9 QLED 32:9 | Corsair Gaming Audio Series SP2500

 

Full PC setup (+ all extras) in "System"-section of my >profile-page<

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