![Pc failing to boot after new Cpu and motherboard upgrade, won't even boot from safe mode, how can I fix this? : r/pcmasterrace Pc failing to boot after new Cpu and motherboard upgrade, won't even boot from safe mode, how can I fix this? : r/pcmasterrace](https://preview.redd.it/pc-failing-to-boot-after-new-cpu-and-motherboard-upgrade-v0-mcom6u9dn61b1.jpg?width=640&crop=smart&auto=webp&s=0e4cd5c91bfb9f1443ad129d528a30e98461b623)
Pc failing to boot after new Cpu and motherboard upgrade, won't even boot from safe mode, how can I fix this? : r/pcmasterrace
![Built a new PC, won't turn on, fans won't spin, MOBO won't light up. - Troubleshooting - Linus Tech Tips Built a new PC, won't turn on, fans won't spin, MOBO won't light up. - Troubleshooting - Linus Tech Tips](https://pbs-prod.linustechtips.com/monthly_2019_01/image.jpg.fb5bd86f0540d743fbc1db5a84313d8e.jpg)
Built a new PC, won't turn on, fans won't spin, MOBO won't light up. - Troubleshooting - Linus Tech Tips
![My friend bought a new pc and it wont boot he has a new mobo a gigabyte b660m with a i5 12400 all the light turn on but theres no output with My friend bought a new pc and it wont boot he has a new mobo a gigabyte b660m with a i5 12400 all the light turn on but theres no output with](https://preview.redd.it/my-friend-bought-a-new-pc-and-it-wont-boot-he-has-a-new-v0-fonety0ypc4a1.jpg?width=640&crop=smart&auto=webp&s=2252d9edc78f51c6609fa762d4f30b005510cd3a)
My friend bought a new pc and it wont boot he has a new mobo a gigabyte b660m with a i5 12400 all the light turn on but theres no output with
![How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=https%3A%2F%2Fi.postimg.cc%2F2886SZz0%2F4-Pin-motherboard-CPU-power-connector.png&hash=98fc2e31b606a466b71d0661552eb8f9)