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The day of disaster / see inside plz and help

J

jim1976

Platinum Member
Well this was a disatrous day for me.
I took a NEC 3520 today and went home to hook it up in my pc.
I installed everything and tried to boot. System started for a sec or so (cpu only and then mobo closed the power circulation)
Ok I closed everything, and started checking if I forgot something and oops!! ground small cable was disconnected(I probably took it off mistakenly)
Checking everything again and restarting. In this point I have to mention that I have two monitors connected one in DVI and one in VGA cable. System started and suddendly DVI monitor goes off and VGA monitor starts to present severe distorted artifacts. I mean no visible picture just distorted images. Well I immediately realize that this is probably the end of my GT!! WTF??
My first move is to do the procedure that one should logically do, take vga out put it back on, reseting the mobo etc etc... NOTHING!! DVI is totally fvcked up and VGA presents what I previously mentioned.
Ok in my frustraton I take my old GF2GTS out to test it. I hook it in VGA and system starts normally. Officially fvcked up!!
But this is not the end. I'm closing the system to recheck the rig and suddendly when I boot again NO SIGNAL!! OMG!! What is it now? Mobo too? PSU??
Reseting again nothing!! I unhook some things put them back in place and system starts again!!! WTF??

What can I say this definately wasn't my lucky day... So I have some questions to make so plz help because I can't think logically right now. 2morrow I wiill check my GT to a friend's pc to be 100% sure that the card has malfuctioned.

1. What happened? Can an unhooked ground cable do this kind of severe damage?
2. Why I'm having these issues with the old VGA too? Is it probably mobo or PSU or worse both of them? How can I check these components (it's difficult to find a friend to test the mobo ,probably psu is easier)
3. Every other peripheral on the mobo (TV tuner,cd/dvd drives) seems to be working ok, but what do you suggest me to do know?
4. Also my DDR400 is found in auto mode as 333(166). I have to force it manually at 200 in order for the system to see it normally. Another reason for me to suspect possible mobo problem

Thanks and sorry for the long post
 
Ok man sorry for that I have it in my sig, but I mention them to make it easier for you

A64 3400+
MSI K8NEO (NF3 250GB)
MSI 6800GT(not o/c ed)
TT 480W butterfly

** CPU is back at stock speeds for a week now with no problems so far whatsoever cauz I'm waiting for a new cooler
 
"Can an unhooked ground cable do this kind of severe damage?"

What ground cable are you speaking of?
 
Originally posted by: binister
"Can an unhooked ground cable do this kind of severe damage?"

What ground cable are you speaking of?
Click to expand...


The small one-pin black that is in the audio connector right next to usb and 1394 connectors
 
Originally posted by: jim1976
Originally posted by: binister
"Can an unhooked ground cable do this kind of severe damage?"

What ground cable are you speaking of?
Click to expand...


The small one-pin black that is in the audio connector right next to usb and 1394 connectors
Click to expand...
😕

You referring to the S/PDIF audio jack perhaps? That isn't a ground cable, but leaving it unplugged won't hurt anything either. /me wonders if your power supply has bit the dust. Got any quality-brand 350W+ power supplies you could combine with your GF2 GTS for a little further testing?

 
Sounds to me like your power supply died, and it might have taken your 6800gt with it. Hopefully, the distortion is caused by the 6800gt not getting enough power, not it having been fried.
 
Originally posted by: mechBgon
Originally posted by: jim1976
Originally posted by: binister
"Can an unhooked ground cable do this kind of severe damage?"

What ground cable are you speaking of?
Click to expand...


The small one-pin black that is in the audio connector right next to usb and 1394 connectors
Click to expand...
😕

You referring to the S/PDIF audio jack perhaps? That isn't a ground cable, but leaving it unplugged won't hurt anything either. /me wonders if your power supply has bit the dust. Got any quality-brand 350W+ power supplies you could combine with your GF2 GTS for a little further testing?
Click to expand...


I know the ground cable left unhooked on the USB board connection with not allow the system to post. (Epox 8rda+ )

I don't know about destroying hardware though..

Sorry to hear of the bad luck.
 
Originally posted by: mechBgon
😕

You referring to the S/PDIF audio jack perhaps? That isn't a ground cable, but leaving it unplugged won't hurt anything either. /me wonders if your power supply has bit the dust. Got any quality-brand 350W+ power supplies you could combine with your GF2 GTS for a little further testing?
Click to expand...

Originally posted by: CheesePoofs
Sounds to me like your power supply died, and it might have taken your 6800gt with it. Hopefully, the distortion is caused by the 6800gt not getting enough power, not it having been fried.
Click to expand...

Yes, this cable.Right now I'm using the same psu now and pc works, but as I said I still have various issues. Ram is recognized in auto mode as DDR333 I have to force it @200 to see it normally and sometimes it doesn't boot. Do you think mobo has issues too?
As for the other components I'm going to check psu,gpu in a friend's pc and see.
 
Originally posted by: bjc112

I know the ground cable left unhooked on the USB board connection with not allow the system to post. (Epox 8rda+ )

I don't know about destroying hardware though..

Sorry to hear of the bad luck.
Click to expand...

Thanks mate, let's hope gpu hasn't fried...

 
So what do you think guys?

Possible ESD damage or psu problem?
What could have caused this to happen?
Right now I RMAed my gpu and they accepted it.
As I said I use the same psu right now, but I want to check the mobo too. Do you think that it was damaged too? (Is the memory issue related to this?)
 
Originally posted by: jim1976
So what do you think guys?

Possible ESD damage or psu problem?
What could have caused this to happen?
Right now I RMAed my gpu and they accepted it.
As I said I use the same psu right now, but I want to check the mobo too. Do you think that it was damaged too? (Is the memory issue related to this?)
Click to expand...
I think that's normal behavior for the K8N Neo Platinum 754, on the memory speed thing. Make sure your memory's getting its rated voltage (set manually if needed).

 
Originally posted by: MrControversial
Can you confirm that the GPU is getting enough power? Is it PCIe or AGP?
Click to expand...


It's AGP and yes I took it to the service of the store I bought it and they show the exact same things. Severe artifacts from the boot.

Originally posted by: mechBgon
Originally posted by: jim1976
So what do you think guys?

Possible ESD damage or psu problem?
What could have caused this to happen?
Right now I RMAed my gpu and they accepted it.
As I said I use the same psu right now, but I want to check the mobo too. Do you think that it was damaged too? (Is the memory issue related to this?)
Click to expand...

I think that's normal behavior for the K8N Neo Platinum 754, on the memory speed thing. Make sure your memory's getting its rated voltage (set manually if needed).
Click to expand...

Ok, but why when I installed the old GF2GTS and I tested yesterday it didn't boot? I had to try sometimes in order fro the system to boot. It can be anything how am I supposed to check now if the psu or the mobo have a problem?
I won't plug any other gpu in the system for obvious reasons right now till I test somehow both of them. (psu,mobo)
I don't have a multimeter and to check it somewhere else may cause damage to a friend's pc if it has malfunctioned.

Any ideas on what to do to check the psu and mobo for problems ?

 
Bump
I checked Sandra and it gave me some really weird small numbers for +12V. But in the bios the values seem to be normal so this can be an issue with Sandra.

So can anybody help with the previous question?
 
It's finally confirmed. It was the psu. Today as I was sitting and watching a movie a big bang was heard from the case and suddendly LIGHTS OFF!!! PC OFF!!! and cold blood started to ran in my vains.
Pc refused to restart by any means and only when I removed the psu and put my old 350W one everything (thank God) went back to normal without further losses...

Do you think that I should return the psu to the store and ask for a new one? Would that be wise to do after they accepted to change my dead gpu? (It's the same store)
After all it was the psu that damaged gpu so they should change it too right?
 
Return the PSU to the store and demand your money back, plus some clean underwear? 😀 And spend the money on something better in the PSU department, perhaps 🙂
After all it was the psu that damaged gpu so they should change it too right?
Click to expand...
Warranties don't generally work like that. Incidental/consequential damages aren't the PSU maker's responsibility, unless you live somewhere that the laws don't allow that limitation. If the store wants to be extra-accomodating, then that's up to them of course. 🙂
 
Originally posted by: mechBgon
Return the PSU to the store and demand your money back, plus some clean underwear? 😀 And spend the money on something better in the PSU department, perhaps 🙂

After all it was the psu that damaged gpu so they should change it too right?
Click to expand...

Warranties don't generally work like that. Incidental/consequential damages aren't the PSU maker's responsibility, unless you live somewhere that the laws don't allow that limitation. If the store wants to be extra-accomodating, then that's up to them of course. 🙂
Click to expand...

I'm planning to do that but following your scepticism(based on facts of course) makes me think that if it is wise to tell them about the psu now, I might have a problem with the gpu I RMAed yesterday.
As for the underwear don't worry I've got it under control, but there's still a weird smell in my room. And it isn't from the burned psu 😀
Anyway thanks man


 
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