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XFX GeForce 7800GS AGP Fault

Infinite Abyss

Infinite Abyss

Infinite Abyss

Associate
Joined
15 Dec 2005
Posts
14
Told my old man to get this in his computer so he could play Battlefield 2. Only had it a couple of months and whenever we try booting his machine it beeps once as if it had completed it's post but then nothing comes up but a black screen.

When we reboot, the machine doesn't switch the monitor on and the machine gives one long bleep and then 3 short bleeps. I figured then that the graphics card is to blame, but after only a couple of months? I tried reseating the card to no avail. Will try and use another card to see if that works.

The card itself looks as if it is running properly as when I opened the side of the case to see if the fan on the card was spinning and it was.

Has anyone else had a fault like this with this card?

Cheers Abyss.
 
It's running on an Asus A7V600-X, Power Supply 380Watt Tagan. The computer had been running fine for 3 months with this card then a couple of days ago this error appeared. The system has not been overclocked in any way. The only thing that was changed on the system prior to corruption was an upgrade in memory. From 1GB to 2GB using 2 1GB sticks from Crucial. The memory was then downgraded back to the original 1GB setup but the error still remains and the computer refuses to boot.

If the computer is left off for more than an hour or so and is then switched on, the computer pasts post and displays the usual post screen but after this the screen says "No Video Display" just before the BIOS screen can be accessed.

The computer does beep when the delete key is depressed again suggesting that the computer is in the BIOS screen even though it is not displaying it so it sounds like the everything else is working correctly apart from the graphics card.

If the computer is restarted at this point, the error of 1 long bleep followed by 3 short bleeps appears. Hope this helps.

Abyss
 
Hi, Looking at your spec, it maybe the PSU...can you check that it is capable of more than 20Amp on the 12v+ rail, as I too have this card and the same thing happen to myself as my then PSU only had a 18Amp on the 12v+ ;)

Is the card ok when you are just surfing the web? as mine would be ok on the web....but as soon as I tried to play games it would either play for abit and then go off or just go off straight away.

I am Now using a 650w PSU with 25Amp on the 12v+ and it works fine now, hope this helps you find the fault.
 
broady212003 said:
{snip}I am Now using a 650w PSU with 25Amp on the 12v+ and it works fine now, hope this helps you find the fault.
Click to expand...
650w's :eek: is that a Q-Tec? :( :mad: I suspect it is because 25A is very poor, quality PSU's like Tagan, FSP (Sparkle), Enermax & Seasonic are doing 28+A starting just from 420W.

His Tagan, which I think is the TG380-U01 (380W), has 22A on the +12v RAIL (hence why everyone here screams buy quality not xxxW PSU!!!!). So, I rule out PSU :D

I suspect the card could be faulty - but wait for someone else's opinion on that. Mean time, the mobo manual is here (might help diagnose the beeps) :cool:

EDIT: Or maybe mobo is faulty, seeing that its an old Socket A type. & the PSU is fine, see here.
 
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Hi hp7909,

My PSU is a cheap sweex 650w :D and it has'nt let me down so far :D.....and my system is running fine with it....the only reason that I said that, is for him to check the amps on the 12+ rail as that would affect his card like it did on mine. ;)
 
broady212003 said:
Hi hp7909,

My PSU is a cheap sweex 650w :D and it has'nt let me down so far :D.....and my system is running fine with it....the only reason that I said that, is for him to check the amps on the 12+ rail as that would affect his card like it did on mine. ;)
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Fair enuff :) & yes, cheapo PSU DO work otherwise why would shops like OcUK stock them. Problem is when they decide not to work! Most have been known to blow-up, though not a rare occurrence even on 'quality' PSU, at least they don't take the rest of the PC with them.

My basis for avoiding cheapo PSU's is not the after-effects but just how badly they are designed! e.g. some PSU's draw slightly more power from the mains then spec'd. Cheapo ones like the Q-Tec 650w draw close to 700w then! then! only to give out 450W! Forget your PC, this thing is an environmental hazard & a pick-pocket if you ask me (i.e. power consumption). Anyway, read-up more here :cool:
 
This deserves a seperate Reply...
QTec's Triple Fan 650W is clearly a joke power supply. From the triplet of cooling fans that battle against each other to cool very little, to the supposed ratings that don't even add up to 650W, finishing with the massive failure for the PSU to get anywhere near its rated output. At 350W the outputs started to fluctuate rapidly before settling down.

By 450W, efficiency was dropping like a stone, input power increasing at a very rapid rate. At 50% efficiency and 900W of input power with the PSU making a horrible screeching sound, PD and I stood well back and recorded its demise on video. At 1100W of input power (1.1 kilowatts), it popped with a massive bang, the internal fuse letting go in impressive style.

For its rediculously low cost, the QTec Triple Fan 650W can only be described as a clown's supply. Buy at your own peril and don't say we didn't warn you. The worst supply on test by quite some margin and a complete misadvertisement of capabilities, suckering people into a poor purchase.

Recommended system: None whatsoever.
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EDIT: For some reason can't link directly to site :(
 
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The card has been working fine for the past couple of months with no problems. My dad is an avid Battlefield 2 fan, and the card has shown no signs of problems in performance other than this problem that decided to show itself a couple of days ago.

It seems strange that a card can go from going from no problems at all to not being able to boot or if it does pass POST as I explained earlier when the computer is left off for an hour or so can't even display the BIOS all I get is the POST messages, then nothing. Reboot causes the beeps.

Cheers for all your input guys. Just hope it isn't the mobo, my only option to confirm this is to try another graphics card, albeit it is an old GeForce 4Ti 4200.

:-Abyss.
 
I really appreciate all the input you guys have given me on this matter. Tried out the wattage calculator, the recommended wattage given is 330Watts which is lower than the output on the Tagan 380W.

:-Abyss.
 
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Infinite Abyss said:
I really appreciate all the input you guys have given me on this matter. Tried out the wattage calculator, the recommended wattage given is 330Watts which is lower than the output on the Tagan 380W.

:-Abyss.
Click to expand...
...& also try the GFX on another mobo just to make sure :cool:
 
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