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String of failures - MoBo/PSU?

post #1 of 3
Thread Starter 
Hi all,

Bit of Background, my 7900GS (XFX) has always run hot, anything from 60-80C IDLE, with recently up to 120 Load. It doesn't help that in the Summer my bedroom never drops below 23C, and can reach 28C with windows and doors open! I've used Rivatuner to ramp up the fanspeed but it seems it finally bit the bullet the other day.

My screens went blank and the fan hit 100%. I was watching TV at the time so it wasn't doing anything. I pressed the power button and it shutdown as instructed. Powered back up, got to just beyond POST and conked out again, but the HD light flashed in the normal fashion and I presume it got to the logon screen. I left it 10minutes to be sure it was idle then powered down. Powered up once more, nothing on-screen at all. Though there was the usual HDD activity.

Swapped the 7900GS into an older system (different hardware all round) and the same result. Put the 6800GS from that PC into mine and it started up fine. I proceeded to use it for the rest of the evening all fine and dandy.

Took it off my workbench and put it back where it normally sits (raised off the floor in a dedicated section of the desk, plenty of surrounding room for Airflow) and booted...started up, fans etc as normal, DVD Drive seeked, but no other activity at all - not even the HDD light this time. Powered off, unplugged and reseated Kettle Lead, boots up fine?!

Resumed from standby this afternoon, fans but nothing else again. Restarted and all seemed OK, until some time later I realised the PCI SoundBlaster (Audigy SE) wasn't being seen by the system...

Is it possible the GPU has caused damage when it died? Or is it the PSU that's caused it all? And is this the sign of a failing Motherboard?

Long story short:

Uncontrollably hot room (24C+), GPU failed, occasional blank screen on startup/resume, PCI SB disappeared - MoBo or PSU?

Also - I had a grounding strap attached and the PSU Lead plugged in but not switched on (for Earth) when I was fiddling inside both PCs so I put the possibility of ESD lower down the order of possible causes.

Any insight is appreciated, end of the day I guess it's time to upgrade though!

Cheers,

Karl
Main PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
C2D E6550 ASUS P5KPL XFX nVidia 7900GS (Dead, now MSI 6800GS) 2GB OCZ DDR800 Spec Ops 
Hard DriveOptical DriveOSMonitor
WD Raptor 150 Pioneer DVR110B XP Pro SP2 Dell 15 + LG L1510T + LG 26LC2R HDTV ^_^ 
KeyboardPowerCaseMouse
Compaq PS/2 Thermaltake TR2 470W Antec Solo Microsoft Optical 
Mouse Pad
None 
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Main PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
C2D E6550 ASUS P5KPL XFX nVidia 7900GS (Dead, now MSI 6800GS) 2GB OCZ DDR800 Spec Ops 
Hard DriveOptical DriveOSMonitor
WD Raptor 150 Pioneer DVR110B XP Pro SP2 Dell 15 + LG L1510T + LG 26LC2R HDTV ^_^ 
KeyboardPowerCaseMouse
Compaq PS/2 Thermaltake TR2 470W Antec Solo Microsoft Optical 
Mouse Pad
None 
  hide details  
Reply
post #2 of 3
I'd say that the PSU may well have bit the dust along with the GPU - heat can kill PSU components

Upgrade time I'd say.
4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
  hide details  
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4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
  hide details  
Reply
post #3 of 3
Thread Starter 
Now THAT's a quick reply!

I'm using the system as we speak, so I guess I'm dicing with death (per-se)? It doesn't owe me anything, as it's at least 3 years old. I'm just glad that it's waited for me to finish my degree before slowly killing itself.

Thinking more about it, the PSU is a Ttake TR2-470. I had a TR2-420 in my old Server and I think that went a similar way. I suppose cooling is now to be high on the agenda for my next case!
Main PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
C2D E6550 ASUS P5KPL XFX nVidia 7900GS (Dead, now MSI 6800GS) 2GB OCZ DDR800 Spec Ops 
Hard DriveOptical DriveOSMonitor
WD Raptor 150 Pioneer DVR110B XP Pro SP2 Dell 15 + LG L1510T + LG 26LC2R HDTV ^_^ 
KeyboardPowerCaseMouse
Compaq PS/2 Thermaltake TR2 470W Antec Solo Microsoft Optical 
Mouse Pad
None 
  hide details  
Reply
Main PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
C2D E6550 ASUS P5KPL XFX nVidia 7900GS (Dead, now MSI 6800GS) 2GB OCZ DDR800 Spec Ops 
Hard DriveOptical DriveOSMonitor
WD Raptor 150 Pioneer DVR110B XP Pro SP2 Dell 15 + LG L1510T + LG 26LC2R HDTV ^_^ 
KeyboardPowerCaseMouse
Compaq PS/2 Thermaltake TR2 470W Antec Solo Microsoft Optical 
Mouse Pad
None 
  hide details  
Reply
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