![PC turns on then off pls help. Tried changing power cable and checking connection. Still nothing : r/computerhelp PC turns on then off pls help. Tried changing power cable and checking connection. Still nothing : r/computerhelp](https://external-preview.redd.it/1tcv8s5QN9USp-xssCn7SYgTo80Ni1SAw6AOYM5WUJg.png?width=640&crop=smart&format=pjpg&auto=webp&s=dbca848d7b861584f79eb1583cf9bbea2f9d0f0b)
PC turns on then off pls help. Tried changing power cable and checking connection. Still nothing : r/computerhelp
![pc turns on then off briefly with the cpu light blinking once then the dram blinking once then the cpu light blinking one more time help : r/MSI_Gaming pc turns on then off briefly with the cpu light blinking once then the dram blinking once then the cpu light blinking one more time help : r/MSI_Gaming](https://external-preview.redd.it/KLMnZRufvJS5akMPaHil7E3KWwkFZ_SxJPmlVuVBDtE.png?format=pjpg&auto=webp&s=de604cc94adabf20226bad40bdd6ccb492f583c7)
pc turns on then off briefly with the cpu light blinking once then the dram blinking once then the cpu light blinking one more time help : r/MSI_Gaming
![computer wont post so changed motherboard and CPU and now turns on for 30s and then off and on. — Micro Center computer wont post so changed motherboard and CPU and now turns on for 30s and then off and on. — Micro Center](https://us.v-cdn.net/6031942/uploads/editor/gi/oi2jf738ff11.jpg)
computer wont post so changed motherboard and CPU and now turns on for 30s and then off and on. — Micro Center
![My pc turns on for less than a second then turns off. I opened up my case and noticed there was a smell of burnt coming from the USB ports. (I saw My pc turns on for less than a second then turns off. I opened up my case and noticed there was a smell of burnt coming from the USB ports. (I saw](https://i.redd.it/uzkqv8u3rwm91.jpg)