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Just confirming: is the mobo dead?

post #1 of 12
Thread Starter 
Hey there, folks.
My cousin just had a little accident with his PC. He tried to use an old CPU fan on his mobo's chassis fan connectors to get a lil' breeze going (it's quite hot these days, heh). The problem is, he connected them while the PC was running.
>instant shutdown
>a very slight smell of toasted electronics
The PC no longer boots. No beeps, no visual input, no nothing. The PSU works, the fans are spinning, the DVD drive lights flash a bit at first, but nothing else
>He tried putting in his old video card, but it didn't help
>He took out the mobo at examined it, but found no burn marks or anything of the sort.
>He was running a P4 rig - the mobo is an ASRock P4VM800
>His PSU is some crappy generic ~7-8 year-old 300W unit.


I suspect the mobo is dead, but I'm also wondering whether there are any other possibilities, like, for example, one of the PSU rails giving way...
I'll likely be dropping by his place tomorrow, so if there are any checks I could do to diagnose the issue more accurately, please tell me.
Yes, I can bring a multimeter with me and No, I won't be lugging my own rig around, since it's caseless.

Thanks in advance!
     
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post #2 of 12
I hot swap my fans all the time and they still work.....tried running with one stick of ram?
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The Butthurt Box
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post #3 of 12
Thread Starter 
Nope. Will try that out once I get to his place tomorrow. I doubt it's the RAM, though - after all, if, by your reasoning, hot-swapping isn't harmful, it shouldn't hurt the RAM, right?

Could it have been due to the fact that the PSU is old, hence does not have all those fancy "xxxxxx xxxxxx protections" the PSUs nowadays have?
     
CPUMotherboardGraphicsRAM
QX6850 E0 3.60GHz @1.45v Asus P5Q Pro Turbo Gigabyte R6870 OC 2x2GB G.Skill DDR2-1066, 5-5-5-15 
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Samsung 840 EVO 120GB Samsung Spinpoint F3 1TB Lite-On iHAS122 CoolerMaster Hyper 212+ 
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post #4 of 12
maybe
post #5 of 12
Try running everything outside the chassis with just the RAM and the cpu installed.
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post #6 of 12
Thread Starter 
Will do Any other ideas?
     
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QX6850 E0 3.60GHz @1.45v Asus P5Q Pro Turbo Gigabyte R6870 OC 2x2GB G.Skill DDR2-1066, 5-5-5-15 
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Creative Inspire T3100 PS3 controller 
CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveCoolingOS
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Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120GB Samsung Spinpoint F3 1TB Lite-On iHAS122 CoolerMaster Hyper 212+ 
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Windows 7 Ultimate SP1 64-Bit Acer X243H 24" Microsoft SideWinder x4 Chieftec BPS-650C 
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Creative Inspire T3100 PS3 controller 
CPUMotherboardGraphicsRAM
Pentium 4 HT Northwood 3.4 @ 3.5GHz ASRock P4i48 Club3D Radeon HD4670 AGP 1GB 2x1GB PQI DDR400 
Hard DriveOptical DriveCoolingOS
SAMSUNG HD320LJ 320GB SATA Lite-On iHAS122 Scythe Katana 3 Windows 7 Ultimate SP1 32Bit 
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post #7 of 12
Check to see if he's got a motherboard /bios speaker.

If there's something wrong with the board, there is usually a beep error code that you can look up to help troubleshoot.

Good luck!
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post #8 of 12
Quote:
Originally Posted by Hyoketsu View Post
Will do Any other ideas?
Try a good PSU and if doesn't POST then I think the board is dead.
Athena
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Athena
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Achilles
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CPUMotherboardGraphicsHard Drive
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CoolingOSMonitorKeyboard
[Noctua] NH-D14 [Micro$oft] Win7 64-bit/Linux [HP] 2311x [Logitech] G510 
PowerCaseMouse
[XFX] 650W [Cooler Master] HAF X [Logitech] G400 
CPUMotherboardGraphicsRAM
990X 6.5Ghz EVGA X58 3 way SLI classified XFX GT 240/modded 8800GTS/8800GTX/5870/4980/FIR... Corsair Dominator PSC  
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F1 Extreme Dark, DICE and LN2!! XPeeeee and Win 7 Old CRT Open 
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post #9 of 12
Remove everything except the cpu and motherboard then turn it on.
If there is a long beeping sound, the motherboard still works
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Rabasu i7-3770K
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Seagate 1TB Seagate 1TB Sony DVDRW stock 
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Windows 7 x64 BenQ E2220 1080p Seasonic M12II Evo 620W Coolermaster Elite 430 
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A4tech X7 710BH 
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AMD FX 6100 4.0 Ghz 6-core Asus M5A78L-MLX3 AM3+ Powercolor HD7730 1GB DDR5 16GB (2x8GB) Corsair Vengeance LP 1600 
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Seagate 1TB Seagate 1TB Sony DVDRW CoolerMaster Hyper212+ with 2x140mm Deepcool UF140 
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Windows 7 x64 / Mint x64 BenQ E2220 1080p Aerocool Strike-X 500watts CoolerMaster Elite 430 
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A4tech X7 710BH 
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post #10 of 12
Thread Starter 
As I said in the OP, there are no beeps.
Edited by Hyoketsu - 7/31/11 at 3:06pm
     
CPUMotherboardGraphicsRAM
QX6850 E0 3.60GHz @1.45v Asus P5Q Pro Turbo Gigabyte R6870 OC 2x2GB G.Skill DDR2-1066, 5-5-5-15 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120GB Samsung Spinpoint F3 1TB Lite-On iHAS122 CoolerMaster Hyper 212+ 
OSMonitorKeyboardPower
Windows 7 Ultimate SP1 64-Bit Acer X243H 24" Microsoft SideWinder x4 Chieftec BPS-650C 
CaseMouseMouse PadAudio
Aerocool X-Warrior Black Edition Steelseries Kana Skyrim-pad Asus Xonar DG 
AudioOther
Creative Inspire T3100 PS3 controller 
CPUMotherboardGraphicsRAM
Pentium 4 HT Northwood 3.4 @ 3.5GHz ASRock P4i48 Club3D Radeon HD4670 AGP 1GB 2x1GB PQI DDR400 
Hard DriveOptical DriveCoolingOS
SAMSUNG HD320LJ 320GB SATA Lite-On iHAS122 Scythe Katana 3 Windows 7 Ultimate SP1 32Bit 
MonitorKeyboardPowerCase
Samsung SyncMaster 795mb 17" Microsoft Internet Keyboard Gigabyte GE-R460-V1 460W Caseless 
MouseMouse PadAudioAudio
Logitech RX1000 Generic black mouse pad Onboard Creative Inspire T3100 
  hide details  
Reply
     
CPUMotherboardGraphicsRAM
QX6850 E0 3.60GHz @1.45v Asus P5Q Pro Turbo Gigabyte R6870 OC 2x2GB G.Skill DDR2-1066, 5-5-5-15 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120GB Samsung Spinpoint F3 1TB Lite-On iHAS122 CoolerMaster Hyper 212+ 
OSMonitorKeyboardPower
Windows 7 Ultimate SP1 64-Bit Acer X243H 24" Microsoft SideWinder x4 Chieftec BPS-650C 
CaseMouseMouse PadAudio
Aerocool X-Warrior Black Edition Steelseries Kana Skyrim-pad Asus Xonar DG 
AudioOther
Creative Inspire T3100 PS3 controller 
CPUMotherboardGraphicsRAM
Pentium 4 HT Northwood 3.4 @ 3.5GHz ASRock P4i48 Club3D Radeon HD4670 AGP 1GB 2x1GB PQI DDR400 
Hard DriveOptical DriveCoolingOS
SAMSUNG HD320LJ 320GB SATA Lite-On iHAS122 Scythe Katana 3 Windows 7 Ultimate SP1 32Bit 
MonitorKeyboardPowerCase
Samsung SyncMaster 795mb 17" Microsoft Internet Keyboard Gigabyte GE-R460-V1 460W Caseless 
MouseMouse PadAudioAudio
Logitech RX1000 Generic black mouse pad Onboard Creative Inspire T3100 
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