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Backplate screws touching case can't short anything, right?

post #1 of 5
Thread Starter 
This is probably a really stupid question. I'm using a HAF 922 which has the open area behind the CPU so you can mount a cpu cooler backplate without removing the MB from the case.

However, the backplate on my Aegir is too wide or something - the hole in the case isn't big enough to fit the backplate and covers the corners. Which means the screws that push through to the other side to mount your heatsink are touching the back of the case. Which means there's a metal connection all the way from 2 scores touching the case all the way through the metal mounting parts on the heatsink, so essentially the IHS on my cpu is touching the back of my case in terms of conductivity.

That's fine, right? Is there any sort of short danger there? I'm guessing there's nothing to short, but because the backplate is supposed to fit within the hole cut into the case and doesn't, I'm concerned.
    
CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
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Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
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Soundblaster Z 
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CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
PowerCaseMouseMouse Pad
Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
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Soundblaster Z 
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post #2 of 5
Quote:
Originally Posted by SenorBeef;13863723 
This is probably a really stupid question. I'm using a HAF 922 which has the open area behind the CPU so you can mount a cpu cooler backplate without removing the MB from the case.

However, the backplate on my Aegir is too wide or something - the hole in the case isn't big enough to fit the backplate and covers the corners. Which means the screws that push through to the other side to mount your heatsink are touching the back of the case. Which means there's a metal connection all the way from 2 scores touching the case all the way through the metal mounting parts on the heatsink, so essentially the IHS on my cpu is touching the back of my case in terms of conductivity.

That's fine, right? Is there any sort of short danger there? I'm guessing there's nothing to short, but because the backplate is supposed to fit within the hole cut into the case and doesn't, I'm concerned.

When I had my Asus P6T Deluxe inside a HAF932, the lower part of the backplate of my CM V8 was not exposed in the 932's CPU opening as well. Note the red circled part in the pic below.

However, the 2 screws did not touch any part of the case at all. I think, with standard height standoffs used to raise up a motherboard, it should allow sufficient clearance to prevent this 'touching' to happen.

Are you just speculating ahead or are you actually seeing this 'touching' happens?
- If it is the former, then no need to worry until you confirm it touches.
- If it is the latter, I suppose there should not be any 'shorting', theoretically speaking. Be to be sure, I would put a thin piece of electrical tape onto the case surface to act as an insulator between the screws and the case.
post #3 of 5
Thread Starter 
The screws are biting/sunken in to the foam padding that comes with the backplate so I don't know if there's actually any contact. I put the system together and I'm getting no reaction at all - everything powers up but nothing on the monitor, no error codes or beeps detailed here. The only thing I can think of is that I overtightened or installed the heatsink wrong in some way, so I guess my next step is to take it apart and loosen it up.
    
CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
PowerCaseMouseMouse Pad
Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
Audio
Soundblaster Z 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
PowerCaseMouseMouse Pad
Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
Audio
Soundblaster Z 
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post #4 of 5
Don't let it touch the back of the case. Will it cause a short? Probably not. Is it worth the risk? I don't think so.

I don't think incorrect installation of the heatsink would cause your system to not boot up unless the fan isn't spinning at all.

This may seem obvious, but check the monitor. I had a similar problem a year ago, and it took me a week to realize my monitor was dead.
    
CPUMotherboardGraphicsRAM
Intel i7 980x Extreme Edition Asus Rampage III Extreme RADEON Sapphire 5970 HD Corsair Dominator GT DDR3 1600 6x2GB 
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WD Caviar Black 7200 RPM 1TB / Intel SSD 60GB Windows 7 Ultimate/Ubuntu Silverstone 1200W HAF X 
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CPUMotherboardGraphicsRAM
Intel i7 980x Extreme Edition Asus Rampage III Extreme RADEON Sapphire 5970 HD Corsair Dominator GT DDR3 1600 6x2GB 
Hard DriveOSPowerCase
WD Caviar Black 7200 RPM 1TB / Intel SSD 60GB Windows 7 Ultimate/Ubuntu Silverstone 1200W HAF X 
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Razer Naga 
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post #5 of 5
Thread Starter 
There actually was a short and it did cause that behavior (all fans/devices power on, but nothing happens). But I don't think it was the screws touching the case... I think I screwed the backplate in too tight and it compressed the foam standoffs so much that the backplate touched some pins on the back of the mb.
    
CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
PowerCaseMouseMouse Pad
Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
Audio
Soundblaster Z 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
2500k @ 4.6 Extreme4 p67 1070 Gaming X 4x4 ripjaws X 1600 
Hard DriveCoolingOSMonitor
850 EVO, 6TB Hitach/WD Xigmatek Aegir Win7 Shimian 27" 1440p 
PowerCaseMouseMouse Pad
Antec TP650 HAF 922 G400s (RIP 518) Puretrak Stealth 
Audio
Soundblaster Z 
  hide details  
Reply
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