anyone know how to fix this?
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Category: Other Chat
Forum Name: Computer Talk
Forum Description: Help and discussion about your manly PC or girly Mac
URL: https://forum.speakerplans.com/forum_posts.asp?TID=83706
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Topic: anyone know how to fix this?
Posted By: CritikalMass
Subject: anyone know how to fix this?
Date Posted: 28 November 2013 at 7:24pm
[IMG] [/IMG]
Think it's mobo or ram. Graphics card been tested and passed, psu is new. Computer does beep when turned on.
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Replies:
Posted By: patryk1305
Date Posted: 28 November 2013 at 7:29pm
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short beep or a continuous beep? Could be a short somewhere, remove your ram and put it back in. I had this when my ram was put in incorrectly after a clean.
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 7:41pm
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Short beep, have tried putting ram in one at a time and booting to attempt to see if it was one damaged module, to be fair my mono is the oldest thing in my case I wouldn't be surprised if it had been damaged by drawing too much power off the new psu.
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Posted By: patryk1305
Date Posted: 28 November 2013 at 7:45pm
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No idea then!
I'm sure you've checked all your cables, etc?
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Posted By: GAZ.
Date Posted: 28 November 2013 at 7:48pm
Looks like the T con board in the monitor. Tv's suffer with the same problem
------------- 100% Earth Moving Bass
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 7:54pm
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It's a tv, works fine with other things such as ps3. Cables are all new as I got a fully modular PSU! Looks like it may be a trip to the local pc repair man
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Posted By: Heathrow_B_line
Date Posted: 28 November 2013 at 8:03pm
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get a heavy telephone book [if they still do them] and give the side a good whack
------------- Produce a killer sound. Take no prisoners.
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Posted By: patryk1305
Date Posted: 28 November 2013 at 8:26pm
Heathrow_B_line wrote:
get a heavy telephone book [if they still do them] and give the side a good whack |
Was waiting for someone to say that 
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 8:28pm
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Hahaha, trust me I've tried that too!
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Posted By: TENSiON
Date Posted: 28 November 2013 at 8:29pm
In case the interconnect cable (VGA/DVI/HDMI?) goes directly from the GFX card into the TV/monitor (and not from an integrated graphics port), then it's almost certainly either your GFX card, the cable, or the TV/monitor.
A broken mobo/cpu/ram/psu should not be able to cause such funky symptoms on the screen, unless there is some very rare condition, like shorts on the PCI-E/AGP slot connector, which would somehow cause the GFX card to go into crazy-funky mode, but that is quite unlikely..
What kind of GFX card are we talking about? Does it need external power from the PSU (6-8pin PCI-E power leads)? Because that could also be the culprit, in case this power is not fully provided. Try measuring the 12V rails, or exchange the whole PSU, and see what happens..
Edit: One more question - does the pattern change when you power-cycle it, or is it always the same?
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 8:40pm
Edit: Yes the hdmi does go from gpu to tv, tv is fine. Works perfectly with other pc's and consoles. I have not tried a different hdmi cable yet bit finish work in an hour so will try it when I get in.
It's been working before, but had issues with a new gpu so upgraded the psu to corsair gs800, gpu is MSI HD7870 takes 2x 6pin power connections, but have had the card tested by the overclockers lads I bought it from and they found it not to be at fault.
As I say it was working fine up to a point where I had to restart a few times then it would show a display, and then finally just gave me this rainbow. PSU is brand new and is more than enough for what I'm running. Here is a picture.

For this kind of rainbow I'd expect it to be a problem with my RAM more than a shorted PCI port on the mobo. What are your thoughts? Is it likely I could have fried both sticks?
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 8:43pm
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The pattern varies from full screen to 1/4 screen rainbow/black
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Posted By: CritikalMass
Date Posted: 28 November 2013 at 8:46pm
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The mobo has onboard gpu but is only VGA out so can't test if this works
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Posted By: TENSiON
Date Posted: 28 November 2013 at 9:03pm
CritikalMass wrote:
For this kind of rainbow I'd expect it to be a problem with my RAM more than a shorted PCI port on the mobo. What are your thoughts? Is it likely I could have fried both sticks? |
Wait, so now we are suddenly talking about "frying"? Have you, perhaps, just shortly before the incident, tried to overclock something? 
As I said, it is quite unlikely that a broken/corrupt RAM module would cause anything like the patterns you are seeing on your display. But the beep from your mobo is certainly trying to tell you something (look up inside the mobo manual).
You could always try to remove one of the RAM sticks, juggle them around in different slots, even try to turn in on without any modules inserted.. and if doing this has still no effect on the "rainbow", then you can be quite sure the sticks are not the major cause (they can still be dead, though).
And the shorted PCI-E slot was just an examle. There is a lot of other possible PCI-E related issues that could be causing the GFX to freeze like that, be it mobo or gfx side. But as I said, it is quite unlikely, and you won't know until you try exchanging each piece..
Does the pattern appear right after powering on, or is there some other text/screen appearing before? If it happens just after the boot screen - at the point where the OS should be starting to load, then it could be just a corrupted GFX driver.
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Posted By: patryk1305
Date Posted: 28 November 2013 at 9:35pm
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Depends on his motherboard, a beep could mean that the boot was successful and there were no errors found. I would try the vga connection to your tv from the mobo's integrated graphics (your tv should have a vga).
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Posted By: shagnasty
Date Posted: 29 November 2013 at 2:50am
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Wanna cheap PCI-e card to check whole rig, if the screen if fine, I would wager you have blown the loader chip for the FPGA that is you graphs card... Prob is that if the board makes sync(iE wakes up your screen) you are stuffed, PM me a beer (thatchers £4.10) +£3 postage will get you working PCI-E card to slam into your mobo!
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Posted By: CritikalMass
Date Posted: 29 November 2013 at 6:32pm
I will repeat, it's not the graphics card. It was bench tested by www.overclockers.co.uk at my expense. They found no faults.
Which leads to my original assumption.
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Posted By: TENSiON
Date Posted: 29 November 2013 at 7:24pm
CritikalMass wrote:
by www.overclockers.co.uk |
That, and the "fried" word mentioned earlier on.. Just a coincidence? 
What exactly did happen before the machine went all "rainbowy" on you? Did you perhaps try to overclock something recently? (you still haven't answered that one yet )
PS: Have you already tried clearing the BIOS/CMOS? (you know, wiping all the saved bad overclock settings, and all that..)
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Posted By: shagnasty
Date Posted: 29 November 2013 at 7:28pm
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Just stepping back, you have of, tried another HMDI/DVI cable? Looks like the monitor isn't syncing (the way digital is transferred you don't just get a wandering picture you get jjibberish, they with a know good HDMI lead. My off of a crappy card FOC so you can check it is not the board and card failing to chat stands...
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Posted By: audiomik
Date Posted: 29 November 2013 at 8:13pm
On a completely random track but nevertheless possibly related, is it anything to do with this website, or perhaps another, which has very much the same screen image?
http://www.happyhourvirus.com/ Select the 'middle' option lower down the page
Mik
------------- Warning! May contain Nuts plus springs, washers, screws, etc, etc.
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Posted By: CritikalMass
Date Posted: 29 November 2013 at 8:21pm
I have already said I didn't overclock the card lol. The term 'fried was used in a loose sense of the word haha. There is very little chance anything overheated, I have constant system monitoring software and fan controller hardware that controls everything except the CPU cooling unit (3 fans dual heatsink) which is controlled by the BIOS anyway if I'm not mistaken.
I dont need to overclock the system as it is enough already to do what I ask of it. 6 core 3.3ghz processor never goes above 60℃ and the GPU (Radeon HD7870 2gb) has also never been clocked and never run above 50℃
I still haven't tried a different HDMI cable but I will try that and see if it works.
If that doesn't work a guy has offered to have a poke around inside for me.
Machine symptoms were little or nothing beforehand. As I have previously posted I did have a period where this rainbow would appear and a soft restart would fix the problem, when the machine rebooted it was fine.
Now, this rainbow will not go away but the rest of the system seems to start up fine ( as far as I can tell without a display)
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Posted By: CritikalMass
Date Posted: 29 November 2013 at 8:25pm
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TENSiON** www.overclockers.co.uk is probably the best value for money/fastest delivery service I have used. Plus they send a small pack of haribo with every delivery so I just keep going back....haha
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Posted By: patryk1305
Date Posted: 29 November 2013 at 9:04pm
CritikalMass wrote:
TENSiON** www.overclockers.co.uk is probably the best value for money/fastest delivery service I have used. Plus they send a small pack of haribo with every delivery so I just keep going back....haha |
I never got any haribo.... 
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