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CPU delidding: To reseal or not to reseal IHS?

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Old 12-07-2019, 12:07 AM   #1
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CPU delidding: To reseal or not to reseal IHS?

I’m going to delid my cpu to apply liquid metal (LM). Question is, should I reseal the IHS? I read that resealing might create gaps and cause the LM not to interface properly with the IHS. Or do I just reseal back on the stock sealing that came with the chip? How do I go about this?

Anyone who has delidded before can share your experience or opinions about this matter?
Processor
Intel Core i7-8700K
Mainboard
ROG Strix Z390-E Gaming
Graphics Card
ROG Strix 2080 OC Edition
Memory
16GB (8GBx2) G.SKILL TridentZ RGB 3200MHz
Display
Acer XB271HU
Storage
SSD 970 EVO NVMe M.2 1TB
Casing
Lian Li PC-O11 Dynamic (Black)
PSU
Corsair RM850x
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Old 12-07-2019, 12:22 AM   #2
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I just dab a bit of silicon sealant to lightly affix the IHS. Used a small object to sit on the IHS while the sealant cures.

Always completely remove the existing sealant as it no longer serves any purpose.
Processor
Intel i7-4770K (delidded)
Mainboard
MSI Z97A Gaming 7
Graphics Card
Galax GTX 1070Ti EX-SNPR
Memory
G.Skill Ripjaws X 16GB DDR3-2400
Display
Acer Predator Z35
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Old 12-07-2019, 07:33 AM   #3
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I just dab a bit of silicon sealant to lightly affix the IHS. Used a small object to sit on the IHS while the sealant cures.

Always completely remove the existing sealant as it no longer serves any purpose.
Okay, noted and thanks..
Processor
Intel Core i7-8700K
Mainboard
ROG Strix Z390-E Gaming
Graphics Card
ROG Strix 2080 OC Edition
Memory
16GB (8GBx2) G.SKILL TridentZ RGB 3200MHz
Display
Acer XB271HU
Storage
SSD 970 EVO NVMe M.2 1TB
Casing
Lian Li PC-O11 Dynamic (Black)
PSU
Corsair RM850x
OS
Windows 10 Pro

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Old 12-07-2019, 01:36 PM   #4
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Im going to delid my cpu to apply liquid metal (LM). Question is, should I reseal the IHS? I read that resealing might create gaps and cause the LM not to interface properly with the IHS. Or do I just reseal back on the stock sealing that came with the chip? How do I go about this?

Anyone who has delidded before can share your experience or opinions about this matter?
Hi there is no need to use any sealant, to avoid the gap just put the ihs back once liquid metal is applied and use super glue and apply to the 4 corner outside of the ihs. It was taught that way on YouTube. It worked on my 8086k flawlessly. 5.1ghz on 1.296v
Processor
I7 8086K
Mainboard
AORUS PRO WIFI Z390
Graphics Card
GALAX RTX 2080 OC WHITE
Memory
G SKILL TRIDENT Z 333MHZ CL15
Display
DELL 2417DG G-SYNC
Storage
970 EVO 500GB
Casing
FRACTAL DESIGN MESHIFY C WHITE
PSU
SEASONIC PRIME ULTRA PLATINUM 850W
Audio
CREATIVE SOUND BLASTERX KATANA
OS
WINDOW 10

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Old 14-07-2019, 08:01 AM   #5
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Hi there is no need to use any sealant, to avoid the gap just put the ihs back once liquid metal is applied and use super glue and apply to the 4 corner outside of the ihs. It was taught that way on YouTube. It worked on my 8086k flawlessly. 5.1ghz on 1.296v
Thanks for the advice..
Processor
Intel Core i7-8700K
Mainboard
ROG Strix Z390-E Gaming
Graphics Card
ROG Strix 2080 OC Edition
Memory
16GB (8GBx2) G.SKILL TridentZ RGB 3200MHz
Display
Acer XB271HU
Storage
SSD 970 EVO NVMe M.2 1TB
Casing
Lian Li PC-O11 Dynamic (Black)
PSU
Corsair RM850x
OS
Windows 10 Pro

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Old 14-07-2019, 08:08 AM   #6
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Now that I’ve delidded my chip, I’m gonna stress test it. From what I’ve YouTube/read online, they suggest the following:

Prime95 26.6
- small FFTs (min/max size 1344)
- run FFTs in-place
- each FFT run time is 15 mins

So, with these settings, I run it for 24 hours. If there’s no crashes/BSOD whatsoever, can I conclude that the overclock is stable? Is this realistic or unrealistic loading?
Processor
Intel Core i7-8700K
Mainboard
ROG Strix Z390-E Gaming
Graphics Card
ROG Strix 2080 OC Edition
Memory
16GB (8GBx2) G.SKILL TridentZ RGB 3200MHz
Display
Acer XB271HU
Storage
SSD 970 EVO NVMe M.2 1TB
Casing
Lian Li PC-O11 Dynamic (Black)
PSU
Corsair RM850x
OS
Windows 10 Pro

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Old 14-07-2019, 10:53 AM   #7
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If you are just gaming. 4 continuous test of cinebench will do. Or CPU Z stress test cuz u not using avx instruction on gaming...... i got a 8700k previously. can OC at 5Ghz at 1.33V delid.
Processor
I7 8086K
Mainboard
AORUS PRO WIFI Z390
Graphics Card
GALAX RTX 2080 OC WHITE
Memory
G SKILL TRIDENT Z 333MHZ CL15
Display
DELL 2417DG G-SYNC
Storage
970 EVO 500GB
Casing
FRACTAL DESIGN MESHIFY C WHITE
PSU
SEASONIC PRIME ULTRA PLATINUM 850W
Audio
CREATIVE SOUND BLASTERX KATANA
OS
WINDOW 10

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Old 14-07-2019, 11:50 AM   #8
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If you are just gaming. 4 continuous test of cinebench will do. Or CPU Z stress test cuz u not using avx instruction on gaming...... i got a 8700k previously. can OC at 5Ghz at 1.33V delid.
Gaming and also using CAD software as well (for work). For the CAD software, will be photorealistic rendering of 3D models and mathematical computation/calculations (engineering related).

Btw, I followed der8auer’s i7-8700k overclock tutorial video for the bios settings.
https://m.youtube.com/watch?v=CoUtA7DKXhU

Hence, what will be the best method to test based on my settings/usage?
Processor
Intel Core i7-8700K
Mainboard
ROG Strix Z390-E Gaming
Graphics Card
ROG Strix 2080 OC Edition
Memory
16GB (8GBx2) G.SKILL TridentZ RGB 3200MHz
Display
Acer XB271HU
Storage
SSD 970 EVO NVMe M.2 1TB
Casing
Lian Li PC-O11 Dynamic (Black)
PSU
Corsair RM850x
OS
Windows 10 Pro

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