Monitor keeps switching fromanalog to hdmi (black screen)

[Urrby]

I have a monitor problem. Yesterday i pluged in gamepad and after a while my screen went black. Now it keeps switching from analog to hdmi (always black screen) and i cant fix it. I have restarted my Pc, pluged out the controller, puled all the cables from my monitor but nothing works. Plus, after a while i get this picture Any ideas?

 

[ffg7]

sounds like the video controller has died. what is the make & model# of the monitor?

 

[Urrby]

sounds like the video controller has died. what is the make & model# of the monitor?

Samsung SyncMaster P2450

 

[ffg7]

http://www.samsung.com/us/system/consumer/product/ls/24/lr/ls24lrzkuvza/P2050_P2250_P2350_P2450H_DSHT.pdf
according to this the power supply is built-in not a power adapter which means you have 2 boards in that monitor, power board & video controller. it is most likely fixable at less cost then buying a new monitor but is up to you. the 24" Samsung I'm using right now I had to replace 2 capacitors myself after I got this monitor from a customer as it was flickering off & on.