Suggestions welcome...

[Buffalo2102]

I have a bit of a puzzle that I'm currently trying to work through and thought I'd post here to see anyone has any thoughts.

I had the system in my sig. working absolutely fine for a couple of years until last week when I woke the PC from sleep as usual to find no video output. My monitor complained of no Display Port input.

After a reboot I got beep codes from my MB - Graphic card error 1 long beep and 3 short beeps. After reseating everything, clearing CMOS etc., I couldn't fix it so assumed that my RX6800XT had died. I replaced it with a new RX6900XT but got the same error.

I then replaced the power supply but no change.

I then replaced the motherboard but no change - One continuous beep followed by three short beeps – No VGA detected & One continuous beep followed by four short beeps – Hardware component failure.

At that point, I had to assume that the CPU was the issue so replaced that, and the memory, just in case. Still no change.

So, I've replaced all the major components, completely rebuilt the PC and disconnected everything that's non-essential and still can't boot. I am about to remove it all and try and get it working outside the case but if anyone has any other suggestions, I'm all ears.

I'm just praying I don't have a faulty RX6800XT and a faulty RX6900XT.

Thanks

 

[gtl_racer]

my guess would be faulty DP cable or monitor.. try HDMI cable..

 

[gtl_racer]

I get the same beeps when no monitor is connected..

 

[Buffalo2102]

Well, it's always the last thing you look at. I tried another video source to my monitor and it was fine so assumed the cable & monitor were both OK. I've just got hold of another monitor and tried it and I've got some of the old parts to boot now, outside of the case. Something screwy going on with my monitor all of a sudden it seems.

Thanks for the suggestions - it got me to take a second look at the monitor. Thanks to this I've bought myself a decent upgrade and I'll have a bunch of parts to sell to get some cash back.

 

[BUDFORCE]

Got a problem?

Throw money at it.

 

[gtl_racer]

Well, it's always the last thing you look at.

No, the last thing you look at is faulty/sticky power and reset buttons. Happened to me TWICE already. First time it took me a week to figure out why the computer randomly restarts.

 

[eeii]

I must admit to having a broken display port cable doing some very strange things. Like the monitor refused to come on. The PC speaker with a continuous beep. Took me a while to figure that one out

 

[Quixote]

Well, it's always the last thing you look at.

Because when you find it you stop looking

 

[Buffalo2102]

Because when you find it you stop looking

True.

It was actually also one of the first things I looked at but the monitor/cable seemed to be fine with another source. Looking into it further, the cable does appear to be fine but I can't get the display port input of my monitor to work at all now. Also, I can't get anything above 30Hz on the HDMI2.0 inputs so definitely a faulty monitor. It's not 6 months old so it's going back for repair/replacement.

 

[Quixote]

It was actually also one of the first things I looked at but the monitor/cable seemed to be fine with another source. Looking into it further, the cable does appear to be fine but I can't get the display port input of my monitor to work at all now. Also, I can't get anything above 30Hz on the HDMI2.0 inputs so definitely a faulty monitor. It's not 6 months old so it's going back for repair/replacement.

Yeah, you do occasionally get very inexplicable problems - Last year I spent 3 hrs taking apart & re-assembling a system that wouldn't boot that I was building for a work colleague - Finally, in an act of desperation, I examined the actual pins of the Ryzen CPU & realised a little strand of thermal grease had got draped across a few of the pins when I was cleaning the old paste off. I carefully wiped it off & the system immediately worked.

 

[ToOo]

Try re-seating the CPU 12v 8pin connector both on the mother board and the PSU side.
If it is not fully inserted I have seen this exact error in the past.