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Copper CPU waterblock. Does it need cleaning / lapping ? How ?

post #1 of 7
Thread Starter 
Hi,


I'm in the middle of trying to solve my bad temperatures and although my goal is to clean the inside of the waterblock, the outside worries me too and could be cause of bad temperatures. If you look at how the TIM spread you'll see there was barely any in the middle where it matters (I used the line method to apply it). Here are three pictures, one of the TIM spread on the CPU, one of the spread on the block and a couple after removing TIM from the block any cleaning it with acetone free "nail dissolvant":







Is there anything to do ? It was bought used from a person who didn't take care of his loop at all as you'll see if you go to my "CPU temp issue" thread.
What does it look like to you and what would you do the "fix it" or clean it ?


Thanks in advance.
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Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
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Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
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EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
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EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
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post #2 of 7
I can't tell; are those scratch marks just visible or are they 3D and actually make a groove? If they make a groove, you'll need to lap the face flat again.

As far as line method; as I mentioned in your other thread, use the pea or rice grain method. It's fairly obvious that there was too much TIM in that application. To be honest, it looks a bit like a previous alcohol cleaning or something had not been completely wiped away first too because it appears that the TIM has more and less consistency in different places. I might see something like that using bottle #1 of arcticlean without neutralizing it with bottle #2.
post #3 of 7
Thread Starter 
One scratch I can feel, the others are just visual.
I took a thick metallic ruler to see if the block was flat. It's concave.

I don't remember seeing your comment in my other thread O_o. I'll go look through it.
And I wouldn't be surprised if I didn't completely clean the dissolvant off x). Thanks.

And just because I'm so lucky, a second screw is stripped ! I really wish they used good quality screws so this wouldn't happen.
Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
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Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
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Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
OtherOther
Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
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post #4 of 7
Quote:
It's concave
... I hope this was a mistake and you meant convex... if not, this block is no good without making it slightly convex (be sure that the block is tightly assembled before checking).
Quote:
I don't remember seeing your comment in my other thread
Seems you're right; I've mentioned it in 3 or 4 threads recently and thought yours was one of them; sorry.
Edited by Electrocutor - 7/29/13 at 5:23am
post #5 of 7
Thread Starter 
I don't know what either word means. I thought concave meant it wasn't flat and was like a dome.

Anyway, this block is driving me crazy. Drilling has got me no where. Plus, to hold the block in place I used "clamps" or whatever they're called so now it's even more ****ed up than before because they dug circles into the block.
I don't feel comftable drilling more because I'm afraid that if I do I'll definitely render the block useless by drilling the copper of the block too which would probably make it leak (?).
I should just drill right through the stupid block and turn it into art with a hammer. I've got 180€ that I put aside for car audio. I should just drop that project for a while, buy a brand new waterblock with no issues.
It's really driving me mad.
I don't even have super glue because it was left open after somebody used it and dried out !

I woupd upload pictures but I've only got my phone and am not in the mood.
Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
OtherOther
Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
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Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
OtherOther
Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
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post #6 of 7
Quote:
I don't know what either word means. I thought concave meant it wasn't flat and was like a dome.
Concave is when the inside is further down than the edges; convex is when the inside is further up than the edges. If it's like a dome, then it is convex: all blocks should be slightly convex in order for the best contact to be directly above the CPU die.

Whether you're able to successfully replace the screws for the block or not without damaging it as well as lap out any hard scrapes on the surface will determine whether or not you can use the block. I'm not sure what you mean by 'clamp', but you really ought to use whatever mounting system came with the block instead of devising your own. If all else fails, then you could obviously just go for getting a new block, but they're generally not cheap.
post #7 of 7
Thread Starter 
Thanks for answering. I really should've kept it in my main thread xD. If you go there you'll understand what's going on and what I've done so far.

By clamp I ment handle-like metal stuff. You put the table and object you want to hold still inbetween and tighten it down. It makes it easier to drill.

Convex is what I meant then smile.gif. Thank you for explaining the difference.
Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
OtherOther
Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
  hide details  
Reply
Current rig
(16 items)
 
   
CPUMotherboardGraphicsRAM
i7-860 @3800MHz P7P55D R9 290 @1150/1450MHz 2*4GB Hyper X Black @1600 MHz 
Hard DriveCoolingOSMonitor
Crucial M4 64 Gig (7mm version) Custom Water Cooling, details in signature. Windows 8 Pro LG Flatron W2243S 21.5" 1080p 
KeyboardPowerCaseMouse
Razer Lycosa OCZ StealthXstream 2 700W Fractal Design Arc Midi R2 Razer Deathadder 3500dpi 
Mouse PadAudioOtherOther
Razer Scarab Razer Carcharias V2 (X360/PC) Roccat Apuri mouse Bungee / usb hub Samsung HDD 7200 rpm 1To 
CPUGraphicsPowerOther
EK Supreme HF CU Full copper EK-FC R9-290X - Nickel  MCP350 Alphacool DDC plexi top 
OtherOtherOtherOther
EK Coolstream XTC 280mm + 2x D14SM-12 Yate Loon... EK Coolstream XTC 280mm + 4x Akasa Apache (push... Alphacool Cape Corp Coolplex 250ml reservoir 8/11mm ClearFlex60 tubing 
OtherOther
Mayhems Blue Berry Pastel + 9mL Mayhems blue dye Phobya fittings: 2x 45° | 2x 90° | 6x Straight 
  hide details  
Reply
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