PC is on but no power to Keyboard + mouse and no display when plug in the GPU...

hello!,

Today i was watching anime online when my Pc's display froze and nothing was working but the audio was coming i tried everything but the mouse didn't work nor the task manager was working! i turned my pc off and turned it on but there was no display!, it was giving no display but no beeps at all while the keyboard and mouse also didn't work they were getting no power my Pc was running, then i removed my graphics card and turned it on everything went fine my Pc worked fine no Problem tell me if it is the PSU or my GPU