I for got to plug in cpu fan now pc turns off when i turn on

[Guest]

Hello,
I was cleaning my PC but forgot to put cpu fan connection back in pc shut down and only turns on and off no sound mother board remains lit fans spin then shut down on cpu and power supply mouse light and monitor but system won't booth

 

[Engima]

Have you tried to plug back in the CPU fan and seeing if it works? If you caught your mistake early then it won't do any damage but letting the CPU run for a long period without any cooling will either cause your computer to shut down automatically or damage it.