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Can a Motherboard be this dead? Need diagnostic help.

post #1 of 4
Thread Starter 
The wife informed me this morning that her PC wouldn't boot. She was right. It's dead. I've never seen a box so dead.

PC - 3 months old
Windows 10
Intel i5
MSI B150 PCMATE motherboard.
64 MB EVGA DDR4 RAM
EVGA 500 Gold PSU
Zotac GTX 1060

Removed RAM, GPU, NIC. Replaced PSU with a known good one (EVGA 600 B) I had lying around. Used a known good power cable. Pressing ON results in no sound, no LEDs. Nothing.

The wife tells me she has seen no problematic behavior. There's been no lightning storms, electrical spikes or anything of that nature. When I ask her if she's had any boot or shutdown problems, she asks how can there be shutdown problems? She just presses the OFF button on the case. wth.gif I thought it might be the case switches before she dropped that nugget.

This MB is showing no signs of life. Getting to the case ON/OFF switch will require me to remove practically everything from the case. What's my next move?
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post #2 of 4
I'd unplug all the front panel connectors, disconnect both power connectors from the motherboard, use a 2-pin jumper to clear CMOS, re-plug both power connectors, make sure you have a buzzer or speaker hooked to JFP2 (refer to manual). Don't install your NIC, GPU, and RAM yet.

To turn it on, use a screwdriver to temporarily short the power switch pins on JFP1 (refer to manual). You don't have to hold the screwdriver there, just long enough to act as a momentary switch to close the circuit. This could rule out a bad front panel switch.

If that doesn't work, pull the CPU and try powering up. If you don't get any status LEDs or beep code, I'd look into RMA'ing the mobo since it's only 3 mos. old.

If it does turn on, start by adding in RAM, then GPU, then NIC. Try powering up with each additional piece of hardware to single out the faulty component.

Link for manual in case you don't have it handy: here
Edited by ILOVEPOTtery - 4/9/17 at 11:11am
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Subtle Hammer
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OCZ RD400 256GB NVME lol 
CPUMotherboardGraphicsRAM
i5-4690k - 4.6GHz @ 1.250V ASRock Z97M OC Formula Sapphire R9 290 G.SKILL TridentX (2 x 4GB) DDR3 2400 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by ILOVEPOTtery View Post

I'd unplug all the front panel connectors, disconnect both power connectors from the motherboard, use a 2-pin jumper to clear CMOS, re-plug both power connectors, make sure you have a buzzer or speaker hooked to JFP2 (refer to manual). Don't install your NIC, GPU, and RAM yet.

To turn it on, use a screwdriver to temporarily short the power switch pins on JFP1 (refer to manual). You don't have to hold the screwdriver there, just long enough to act as a momentary switch to close the circuit. This could rule out a bad front panel switch.

If that doesn't work, pull the CPU and try powering up. If you don't get any status LEDs or beep code, I'd look into RMA'ing the mobo since it's only 3 mos. old.

If it does turn on, start by adding in RAM, then GPU, then NIC. Try powering up with each additional piece of hardware to single out the faulty component.

Link for manual in case you don't have it handy: here

Been working on it while doing other things... Performed tests w/ both PSUs. No joy. Gonna pull it and RMA.

Now I need to scrounge up another machine/MB around here and check the CPU. I'll probably ring out the power switch wiring as well to make certain there's no short there. NOT what I was planning to do today...

Thanks for the help. thumb.gif
The Beagle Box
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CPUMotherboardGraphicsRAM
Intel Core i7 6700K MSI Z270 XPower Gaming Titanium MSI GeForce GTX 1080 Gaming X 8GB Corsair Vengeance Series 16GB 4 X4GB DDR4-3000 ... 
Hard DriveOptical DriveCoolingCooling
Samsung SSD 960 EVO Samsung SSD 850 EVO Swiftech 220X2  Black Ice Nemesis 240 GTX radiator 
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Microsoft Windows 10 Home EVGA 850 GQ Corsair Vengeance C70 
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The Beagle Box
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CPUMotherboardGraphicsRAM
Intel Core i7 6700K MSI Z270 XPower Gaming Titanium MSI GeForce GTX 1080 Gaming X 8GB Corsair Vengeance Series 16GB 4 X4GB DDR4-3000 ... 
Hard DriveOptical DriveCoolingCooling
Samsung SSD 960 EVO Samsung SSD 850 EVO Swiftech 220X2  Black Ice Nemesis 240 GTX radiator 
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Microsoft Windows 10 Home EVGA 850 GQ Corsair Vengeance C70 
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post #4 of 4
No prob man!

Good luck and let us know what the conclusion is. thumb.gif
Subtle Hammer
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µHammer
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CPUMotherboardGraphicsRAM
i7-7700HQ Acer Aspire V15 VN7-593G GTX 1060 6GB 16GB DDR4-2400 (2x8GB) 
Hard DriveCooling
OCZ RD400 256GB NVME lol 
CPUMotherboardGraphicsRAM
i5-4690k - 4.6GHz @ 1.250V ASRock Z97M OC Formula Sapphire R9 290 G.SKILL TridentX (2 x 4GB) DDR3 2400 
CoolingMonitorPowerCase
2x H105s: CPU and 290 (via NZXT G10) The Tube (39" LG LED) Corsair AX760 Thermaltake Core V21 
  hide details  
Reply
Subtle Hammer
(6 items)
 
µHammer
(10 items)
 
 
CPUMotherboardGraphicsRAM
i7-7700HQ Acer Aspire V15 VN7-593G GTX 1060 6GB 16GB DDR4-2400 (2x8GB) 
Hard DriveCooling
OCZ RD400 256GB NVME lol 
CPUMotherboardGraphicsRAM
i5-4690k - 4.6GHz @ 1.250V ASRock Z97M OC Formula Sapphire R9 290 G.SKILL TridentX (2 x 4GB) DDR3 2400 
CoolingMonitorPowerCase
2x H105s: CPU and 290 (via NZXT G10) The Tube (39" LG LED) Corsair AX760 Thermaltake Core V21 
  hide details  
Reply
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