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I5-i7.

Puckmyface
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So I just picked up a i7 8700k pcu to upgrade from an i5, this computer was prebuilt and I’m finally able to upgrade it slowly. Anyways I have tried everything from updating my bios to checking wires and changing plugs and I get some lights and the fans spin for about 2 seconds before it stops again, I’m not the best with computers so if anyone could help out at a very dumbed down level I would greatly appreciate it. Thanks! Also I did check if my motherboard was compatible, and it says it was.

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Did you double check if your motherboard is compatible with the i7 8700K? what was this old i5?

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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Posted
7 hours ago, Puckmyface said:

So I just picked up a i7 8700k pcu to upgrade from an i5, this computer was prebuilt and I’m finally able to upgrade it slowly. Anyways I have tried everything from updating my bios to checking wires and changing plugs and I get some lights and the fans spin for about 2 seconds before it stops again, I’m not the best with computers so if anyone could help out at a very dumbed down level I would greatly appreciate it. Thanks! Also I did check if my motherboard was compatible, and it says it was.

If you had a 6 core 6 thread i5 the 8700K wouldn't be worth the $300 upgrade anyways, but what's the chipset on the motherboard?

Could get a Ryzen 7 8 core + B450 board for the same price as the retail i7 just an fyi.

I edit my posts a lot, Twitter is @LordStreetguru just don't ask PC questions there mostly...
 

Spoiler

 

What is your budget/country for your new PC?

 

what monitor resolution/refresh rate?

 

What games or other software do you need to run?

 

 

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1 minute ago, Puckmyface said:

Yes one bright white light near the top of the case.

 

Which i5 (model) were you using before?

Did you check to make sure the new i7 is compatible with your motherboard?

 

E.g. 6000 and 7000 series Core i5/i7 are different from 8000 and 9000 series i5/i7.

Intel Z390 Rig ( *NEW* Primary )

Intel X99 Rig (Officially Decommissioned, Dead CPU returned to Intel)

  • i7-8086K @ 5.1 GHz
  • Gigabyte Z390 Aorus Master
  • Sapphire NITRO+ RX 6800 XT S.E + EKwb Quantum Vector Full Cover Waterblock
  • 32GB G.Skill TridentZ DDR4-3000 CL14 @ DDR-3400 custom CL15 timings
  • SanDisk 480 GB SSD + 1TB Samsung 860 EVO +  500GB Samsung 980 + 1TB WD SN750
  • EVGA SuperNOVA 850W P2 + Red/White CableMod Cables
  • Lian-Li O11 Dynamic EVO XL
  • Ekwb Custom loop + 2x EKwb Quantum Surface P360M Radiators
  • Logitech G502 Proteus Spectrum + Corsair K70 (Red LED, anodized black, Cheery MX Browns)

AMD Ryzen Rig

  • AMD R7-5800X
  • Gigabyte B550 Aorus Pro AC
  • 32GB (16GB X 2) Crucial Ballistix RGB DDR4-3600
  • Gigabyte Vision RTX 3060 Ti OC
  • EKwb D-RGB 360mm AIO
  • Intel 660p NVMe 1TB + Crucial MX500 1TB + WD Black 1TB HDD
  • EVGA P2 850W + White CableMod cables
  • Lian-Li LanCool II Mesh - White

Intel Z97 Rig (Decomissioned)

  • Intel i5-4690K @ 4.8 GHz
  • ASUS ROG Maximus VII Hero Z97
  • Sapphire Vapor-X HD 7950 EVGA GTX 1070 SC Black Edition ACX 3.0
  • 20 GB (8GB X 2 + 4GB X 1) Corsair Vengeance DDR3 1600 MHz
  • Corsair A50 air cooler  NZXT X61
  • Crucial MX500 1TB SSD + SanDisk Ultra II 240GB SSD + WD Caviar Black 1TB HDD + Kingston V300 120GB SSD [non-gimped version]
  • Antec New TruePower 550W EVGA G2 650W + White CableMod cables
  • Cooler Master HAF 912 White NZXT S340 Elite w/ white LED stips

AMD 990FX Rig (Decommissioned)

  • FX-8350 @ 4.8 / 4.9 GHz (given up on the 5.0 / 5.1 GHz attempt)
  • ASUS ROG Crosshair V Formula 990FX
  • 12 GB (4 GB X 3) G.Skill RipJawsX DDR3 @ 1866 MHz
  • Sapphire Vapor-X HD 7970 + Sapphire Dual-X HD 7970 in Crossfire  Sapphire NITRO R9-Fury in Crossfire *NONE*
  • Thermaltake Frio w/ Cooler Master JetFlo's in push-pull
  • Samsung 850 EVO 500GB SSD + Kingston V300 120GB SSD + WD Caviar Black 1TB HDD
  • Corsair TX850 (ver.1)
  • Cooler Master HAF 932

 

<> Electrical Engineer , B.Eng <>

<> Electronics & Computer Engineering Technologist (Diploma + Advanced Diploma) <>

<> Electronics Engineering Technician for the Canadian Department of National Defence <>

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4 minutes ago, Streetguru said:

If you had a 6 core 6 thread i5 the 8700K wouldn't be worth the $300 upgrade anyways, but what's the chipset on the motherboard?

Could get a Ryzen 7 8 core + B450 board for the same price as the retail i7 just an fyi.

Like I said I’m kinda new to the whole pc thing and this one came prebuilt so I don’t quite know what the chipset is.

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1 minute ago, -rascal- said:

 

Which i5 (model) were you using before?

Did you check to make sure the new i7 is compatible with your motherboard?

 

E.g. 6000 and 7000 series Core i5/i7 are different from 8000 and 9000 series i5/i7.

Reading the pcu itself it says intel core i5

i5-7400.

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10 minutes ago, Puckmyface said:

Reading the pcu itself it says intel core i5

i5-7400.

That means it isn't compatible with the 8700. It's the same exact socket, but it's just not compatible. Return the CPU to the store.

:)

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Posted
7 hours ago, Puckmyface said:

Reading the pcu itself it says intel core i5

i5-7400.

The name of the motherboard should be somewhere on it if you want to provide a picture.

 

Otherwise do you only need the PC for gaming? If so what is your monitor resolution/refresh rate? That i5 is just fine for like 60hz gaming anyways.


Also what's your GPU?

I edit my posts a lot, Twitter is @LordStreetguru just don't ask PC questions there mostly...
 

Spoiler

 

What is your budget/country for your new PC?

 

what monitor resolution/refresh rate?

 

What games or other software do you need to run?

 

 

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25 minutes ago, Puckmyface said:

Reading the pcu itself it says intel core i5

i5-7400.

The best CPU you could put in there is an i7 6700 or 7700. 8th gen is unfortunately not compatible

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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7 hours ago, Fasauceome said:

The best CPU you could put in there is an i7 6700 or 7700. 8th gen is unfortunately not compatible

Now hang on, I'm pretty sure you can totally get a hacked Chinese bios that will support 8th gen chips.

 

But hat motherboard is probably really low end for the 8700K anyways.

I edit my posts a lot, Twitter is @LordStreetguru just don't ask PC questions there mostly...
 

Spoiler

 

What is your budget/country for your new PC?

 

what monitor resolution/refresh rate?

 

What games or other software do you need to run?

 

 

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4 minutes ago, Streetguru said:

Now hang on, I'm pretty sure you can totally get a hacked Chinese bios that will support 8th gen chips.

Within reason, the best choice is a CPU that's fully supported. I wouldn't bother going out of my way to get a custom BIOS for an OEM motherboard just for a 6 core i7, especially not as my first ever PC upgrade

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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15 minutes ago, Streetguru said:

Now hang on, I'm pretty sure you can totally get a hacked Chinese bios that will support 8th gen chips.

Yeah sure, the guy who couldn't even buy a compatible CPU for his system and has no idea how to figure out even the chipset his motherboard has is totally going to successfully flash some random Chinese BIOS.?‍♀️

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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7 hours ago, Fasauceome said:

Within reason, the best choice is a CPU that's fully supported. I wouldn't bother going out of my way to get a custom BIOS for an OEM motherboard just for a 6 core i7, especially not as my first ever PC upgrade

 

7 hours ago, Princess Luna said:

Yeah sure, the guy who couldn't even buy a compatible CPU for his system and has no idea how to figure out even the chipset his motherboard has is totally going to successfully flash some random Chinese BIOS.?‍♀️

I believe.

 

I edit my posts a lot, Twitter is @LordStreetguru just don't ask PC questions there mostly...
 

Spoiler

 

What is your budget/country for your new PC?

 

what monitor resolution/refresh rate?

 

What games or other software do you need to run?

 

 

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1 hour ago, Puckmyface said:

I did check if my motherboard was compatible, and it says it was.

 

1 hour ago, Puckmyface said:

Reading the pcu itself it says intel core i5

i5-7400.

Who said it was compatible?

Just because it fits it does not mean it will work.

 

I see two options:

1st: Return the CPU, there is a chance they will not take it back because it is now considered used.

2nd: Buy and install a new compatible 300 series motherboard.

 

Gaming With a 4:3 CRT

System specs below

 

CPU: AMD Ryzen 7 5700X with a Noctua NH-U9S cooler 
Motherboard: Gigabyte B450 Aorus M (Because it was cheap)
RAM: 32GB (4 x 8GB) Corsair Vengance LPX 3200Mhz CL16
GPU: EVGA GTX 980 Ti SC Blower Card
HDD: 7200RPM TOSHIBA DT01ACA100 1TB, External HDD: 5400RPM 2TB WD My Passport
SSD: 1tb Samsung 970 evo m.2 nvme
PSU: Corsair CX650M
Displays: ViewSonic VA2012WB LCD 1680x1050p @ 75Hz
Gateway VX920 CRT: 1920x1440@65Hz, 1600x1200@75Hz, 1200x900@100Hz, 960x720@125Hz
Gateway VX900 CRT: 1920x1440@64Hz, 1600x1200@75Hz, 1200x900@100Hz, 960x720@120Hz (Can be pushed to 175Hz)
 
Keyboard: Thermaltake eSPORTS MEKA PRO with Cherry MX Red switches
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Posted
18 hours ago, Puckmyface said:

Reading the pcu itself it says intel core i5

i5-7400.

 

There is your problem.

8000 and 9000 series Intel CPUs is only compatible with 300 series based motherboards (e.g. Z390, Z370, H310, etc, etc).

6000 and 7000 series only works on 100 series and 200 series motherboards (e.g. Z170, Z270, H270, H110, etc).

 

Even though they are all "LGA 1151" socket, the older one being LGA 1151 "version 1" and the newer ones on the 300 series boards being LGA 1151 "version 2".

Yes, it's stupid...

 

17 hours ago, MadAnt250 said:

 

Who said it was compatible?

Just because it fits it does not mean it will work.

 

I see two options:

1st: Return the CPU, there is a chance they will not take it back because it is now considered used.

2nd: Buy and install a new compatible 300 series motherboard.

 

 

The computer OP has is a pre-built system; probably going to be a pain in the @$$ to swap the motherboard, especially if it does not use a standard ATX format.

Best option is your option #1

 

@Puckmyface

Return the i7-8700K (if you still can), and grab a new/used:

  • i7-7700K
  • i7-7700
  • i7-6700K
  • i7-6700

There are i7-7700T and i7-6700T, but they are the low-power versions, and run at a slightly lower frequency than their non-K and K siblings.

Intel Z390 Rig ( *NEW* Primary )

Intel X99 Rig (Officially Decommissioned, Dead CPU returned to Intel)

  • i7-8086K @ 5.1 GHz
  • Gigabyte Z390 Aorus Master
  • Sapphire NITRO+ RX 6800 XT S.E + EKwb Quantum Vector Full Cover Waterblock
  • 32GB G.Skill TridentZ DDR4-3000 CL14 @ DDR-3400 custom CL15 timings
  • SanDisk 480 GB SSD + 1TB Samsung 860 EVO +  500GB Samsung 980 + 1TB WD SN750
  • EVGA SuperNOVA 850W P2 + Red/White CableMod Cables
  • Lian-Li O11 Dynamic EVO XL
  • Ekwb Custom loop + 2x EKwb Quantum Surface P360M Radiators
  • Logitech G502 Proteus Spectrum + Corsair K70 (Red LED, anodized black, Cheery MX Browns)

AMD Ryzen Rig

  • AMD R7-5800X
  • Gigabyte B550 Aorus Pro AC
  • 32GB (16GB X 2) Crucial Ballistix RGB DDR4-3600
  • Gigabyte Vision RTX 3060 Ti OC
  • EKwb D-RGB 360mm AIO
  • Intel 660p NVMe 1TB + Crucial MX500 1TB + WD Black 1TB HDD
  • EVGA P2 850W + White CableMod cables
  • Lian-Li LanCool II Mesh - White

Intel Z97 Rig (Decomissioned)

  • Intel i5-4690K @ 4.8 GHz
  • ASUS ROG Maximus VII Hero Z97
  • Sapphire Vapor-X HD 7950 EVGA GTX 1070 SC Black Edition ACX 3.0
  • 20 GB (8GB X 2 + 4GB X 1) Corsair Vengeance DDR3 1600 MHz
  • Corsair A50 air cooler  NZXT X61
  • Crucial MX500 1TB SSD + SanDisk Ultra II 240GB SSD + WD Caviar Black 1TB HDD + Kingston V300 120GB SSD [non-gimped version]
  • Antec New TruePower 550W EVGA G2 650W + White CableMod cables
  • Cooler Master HAF 912 White NZXT S340 Elite w/ white LED stips

AMD 990FX Rig (Decommissioned)

  • FX-8350 @ 4.8 / 4.9 GHz (given up on the 5.0 / 5.1 GHz attempt)
  • ASUS ROG Crosshair V Formula 990FX
  • 12 GB (4 GB X 3) G.Skill RipJawsX DDR3 @ 1866 MHz
  • Sapphire Vapor-X HD 7970 + Sapphire Dual-X HD 7970 in Crossfire  Sapphire NITRO R9-Fury in Crossfire *NONE*
  • Thermaltake Frio w/ Cooler Master JetFlo's in push-pull
  • Samsung 850 EVO 500GB SSD + Kingston V300 120GB SSD + WD Caviar Black 1TB HDD
  • Corsair TX850 (ver.1)
  • Cooler Master HAF 932

 

<> Electrical Engineer , B.Eng <>

<> Electronics & Computer Engineering Technologist (Diploma + Advanced Diploma) <>

<> Electronics Engineering Technician for the Canadian Department of National Defence <>

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