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Intel Core I5 9400F not showing cores

Go to solution Solved by Syfes,

Ok, so the issue is likely in windows then. Type msconfig in windows start menu, then press enter to bring up system configuration. Go to the "Boot" tab and click the "Advanced Options" button. Make sure everything is unchecked in the window that pops up. Then click OK/Apply where necessary and reboot.

Hi, 

I have recently upgraded my system with a 1660, 8 more g of ram, and a core I5 9400F.
Problem is, even after flashing my PRIME H310M-K (asus compatible motherboard according to their website, even though the box onbly says it's 8th gen compatible), my CPU will show up as 4 cores 4 threads (istead of 6)

LTT2..PNG

 

Edited by Reddox
Ram issue solved with msconfig
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Which BIOS version are you on right now? If you use HWinfo64 it should show exactly which number you're on.

Desktop:     Core i7-9700K @ 5.1GHz = ASRock Z390 Taichi Ultimate = 16GB HyperX Predator DDR4 @ 3600MHz = EVGA GTX 1070 FTW = Samsung 970 EVO 500GB M.2 SSD = ASUS PG279Q

 

Notebook:  Clevo P651RG-G = Core i7 6820HK = 16GB HyperX Impact DDR4 2133MHz = GTX 980M = 1080p IPS with G-Sync = Samsung SM951 256GB M.2 SSD + Samsung 850 Pro 256GB SSD

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5 minutes ago, Syfes said:

Which BIOS version are you on right now? If you use HWinfo64 it should show exactly which number you're on.

Hi,

I am using BIOS Vers(ion) 2416

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2 minutes ago, Reddox said:

Hi,

I am using BIOS Vers(ion) 2416

Ok, yeah that BIOS should be validated for this CPU. I would make sure to set all BIOS settings to default for now until this issue is resolved. If the issue persists after that, you may need to try reseating the CPU.

Desktop:     Core i7-9700K @ 5.1GHz = ASRock Z390 Taichi Ultimate = 16GB HyperX Predator DDR4 @ 3600MHz = EVGA GTX 1070 FTW = Samsung 970 EVO 500GB M.2 SSD = ASUS PG279Q

 

Notebook:  Clevo P651RG-G = Core i7 6820HK = 16GB HyperX Impact DDR4 2133MHz = GTX 980M = 1080p IPS with G-Sync = Samsung SM951 256GB M.2 SSD + Samsung 850 Pro 256GB SSD

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1 minute ago, Syfes said:

Ok, yeah that BIOS should be validated for this CPU. I would make sure to set all BIOS settings to default for now until this issue is resolved. If the issue persists after that, you may need to try reseating the CPU.

How do you reset a CPU ?

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5 minutes ago, Reddox said:

How do you reset a CPU ?

Reseat, as in: take it out, inspect the pins and put it back in. :)

Desktop:     Core i7-9700K @ 5.1GHz = ASRock Z390 Taichi Ultimate = 16GB HyperX Predator DDR4 @ 3600MHz = EVGA GTX 1070 FTW = Samsung 970 EVO 500GB M.2 SSD = ASUS PG279Q

 

Notebook:  Clevo P651RG-G = Core i7 6820HK = 16GB HyperX Impact DDR4 2133MHz = GTX 980M = 1080p IPS with G-Sync = Samsung SM951 256GB M.2 SSD + Samsung 850 Pro 256GB SSD

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7 minutes ago, Syfes said:

Reseat, as in: take it out, inspect the pins and put it back in. :)

Ok, I'll do this and keep you updated

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11 minutes ago, Reddox said:

Ok, I'll do this and keep you updated

Perhaps also a good idea to reset CMOS. To do that, short these 2 pins with a screwdriver when the power is off:

 

image.png.1a82277f19ddf08172bd57b7098ef023.png

 

This will clear the BIOS memory

Desktop:     Core i7-9700K @ 5.1GHz = ASRock Z390 Taichi Ultimate = 16GB HyperX Predator DDR4 @ 3600MHz = EVGA GTX 1070 FTW = Samsung 970 EVO 500GB M.2 SSD = ASUS PG279Q

 

Notebook:  Clevo P651RG-G = Core i7 6820HK = 16GB HyperX Impact DDR4 2133MHz = GTX 980M = 1080p IPS with G-Sync = Samsung SM951 256GB M.2 SSD + Samsung 850 Pro 256GB SSD

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12 minutes ago, Syfes said:

Perhaps also a good idea to reset CMOS. To do that, short these 2 pins with a screwdriver when the power is off:

 

image.png.1a82277f19ddf08172bd57b7098ef023.png

 

This will clear the BIOS memory

Should I also remove the CmOS battery for a few minuts ?

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17 minutes ago, Syfes said:

Perhaps also a good idea to reset CMOS. To do that, short these 2 pins with a screwdriver when the power is off:

 

image.png.1a82277f19ddf08172bd57b7098ef023.png

 

This will clear the BIOS memory

Did everything, but it still wont detect the 6 cores into windows even though the BIOS detects the cores... Maybe it is because I have 2300HZ memory ?

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Ok, so the issue is likely in windows then. Type msconfig in windows start menu, then press enter to bring up system configuration. Go to the "Boot" tab and click the "Advanced Options" button. Make sure everything is unchecked in the window that pops up. Then click OK/Apply where necessary and reboot.

Desktop:     Core i7-9700K @ 5.1GHz = ASRock Z390 Taichi Ultimate = 16GB HyperX Predator DDR4 @ 3600MHz = EVGA GTX 1070 FTW = Samsung 970 EVO 500GB M.2 SSD = ASUS PG279Q

 

Notebook:  Clevo P651RG-G = Core i7 6820HK = 16GB HyperX Impact DDR4 2133MHz = GTX 980M = 1080p IPS with G-Sync = Samsung SM951 256GB M.2 SSD + Samsung 850 Pro 256GB SSD

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6 minutes ago, Syfes said:

Ok, so the issue is likely in windows then. Type msconfig in windows start menu, then press enter to bring up system configuration. Go to the "Boot" tab and click the "Advanced Options" button. Make sure everything is unchecked in the window that pops up. Then click OK/Apply where necessary and reboot.

It finnaly worked ! Thanks so much for your help, have a great day my saviour ! XP

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