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Reinstall windows after changing cpu

Jimi Ling
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Did I have to reinstall windows? Or just as easy as remove cpu and insert a new one? 

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Only if you change the motherboard as well

| MOBO MSI Z97 Gaming 3 | CPU i7-4790K @ 4.7GHz | RAM G.Skill 16GB 2133MHz | SSD Kingston 240GB / HDD Seagate 3TB | GPU MSI Gaming GTX 970 |

| Cooling CM Nepton 240M | Display Philips BDM4065UC 40in 4K | Keyboard Corsair K70 Cherry Blue | Mouse Logitech G502 | Case Fractal Design Core 2500 |

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16 minutes ago, Van Weapon said:

Only if you change the motherboard as well

I changed from a i5-4670k to an i7-4790k and changed from a Z87-G45 to a Z97 Maximus VII Hero without needing to reinstall windows.

• NCASE M1 • i5-9600k • GTX 1080 FE • Z370N-WIFI • SF600 • NH-U9S • LPX 32GB • 960EVO •

I'm a self-identifying Corsair & Nvidia Fanboy; Get over it.

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Just now, ThatCoolBlueKidd said:

I changed from a i5-4670k to an i7-4790k and changed from a Z87-G45 to a Z97 Maximus VII Hero without needing to reinstall windows.

Lucky you, since that's against windows terms of service but oh well 

| MOBO MSI Z97 Gaming 3 | CPU i7-4790K @ 4.7GHz | RAM G.Skill 16GB 2133MHz | SSD Kingston 240GB / HDD Seagate 3TB | GPU MSI Gaming GTX 970 |

| Cooling CM Nepton 240M | Display Philips BDM4065UC 40in 4K | Keyboard Corsair K70 Cherry Blue | Mouse Logitech G502 | Case Fractal Design Core 2500 |

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2 minutes ago, Van Weapon said:

Lucky you, since that's against windows terms of service but oh well 

Well i just transplanted my boot drive and voila it picked up where i left off pretty much.

• NCASE M1 • i5-9600k • GTX 1080 FE • Z370N-WIFI • SF600 • NH-U9S • LPX 32GB • 960EVO •

I'm a self-identifying Corsair & Nvidia Fanboy; Get over it.

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4 minutes ago, ThatCoolBlueKidd said:

I changed from a i5-4670k to an i7-4790k and changed from a Z87-G45 to a Z97 Maximus VII Hero without needing to reinstall windows.

I too changed CPU and mobo without having to reinstall windows.

CPU: Intel Core i7 7820X Cooling: Corsair Hydro Series H110i GTX Mobo: MSI X299 Gaming Pro Carbon AC RAM: Corsair Vengeance LPX DDR4 (3000MHz/16GB 2x8) SSD: 2x Samsung 850 Evo (250/250GB) + Samsung 850 Pro (512GB) GPU: NVidia GeForce GTX 1080 Ti FE (W/ EVGA Hybrid Kit) Case: Corsair Graphite Series 760T (Black) PSU: SeaSonic Platinum Series (860W) Monitor: Acer Predator XB241YU (165Hz / G-Sync) Fan Controller: NZXT Sentry Mix 2 Case Fans: Intake - 2x Noctua NF-A14 iPPC-3000 PWM / Radiator - 2x Noctua NF-A14 iPPC-3000 PWM / Rear Exhaust - 1x Noctua NF-F12 iPPC-3000 PWM

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Just now, ThatCoolBlueKidd said:

Well i just transplanted my boot drive and voila it picked up where i left off pretty much.

In practice, thats exactly what should happen, however if windows detects the new mobo and decides it voids terms of service you'll get the 'Windows not genuine' message

| MOBO MSI Z97 Gaming 3 | CPU i7-4790K @ 4.7GHz | RAM G.Skill 16GB 2133MHz | SSD Kingston 240GB / HDD Seagate 3TB | GPU MSI Gaming GTX 970 |

| Cooling CM Nepton 240M | Display Philips BDM4065UC 40in 4K | Keyboard Corsair K70 Cherry Blue | Mouse Logitech G502 | Case Fractal Design Core 2500 |

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17 hours ago, Van Weapon said:

In practice, thats exactly what should happen, however if windows detects the new mobo and decides it voids terms of service you'll get the 'Windows not genuine' message

Call number on activation screen, poke numbers at a robot for 5 minutes, reactivate with no issues. Done this a handful of times on multiple boards.

LanSyndicate Build | i5-6600k | ASRock OC Formula | G.Skill 3600MHz | Samsung 850 Evo | MSI R9-290X 8GB Alphacool Block | Enthoo Pro M | XTR Pro 750w | Custom Loop |

Daily | 5960X | X99 Sabertooth | G.Skill 3000MHz | 750 NVMe | 850 Evo | x2 WD Se 2TB | x2 Seagate 3TB | Sapphire R9-290X 8GB | Enthoo Primo | EVGA 1000G2 | Custom Loop |

Game Box | 4690K | Z97i-Plus | G.Skill 2400MHz | x2 840 Evo | GTX 970 shorty | Corsair 250D modded with H105 | EVGA 650w B2 |

 

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The big problem is if you use the free Win10 upgrade.....

 

It's licence is HWID locked so changing the motherboard/CPU will most likely cause the LIc to "un-validate" and since you don't get a key with the upgrade it would require a new key...

 

If you have a valid key for your current system just call in and follow the automated service...

http://ca.pcpartpicker.com/p/QLGq29

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