Olevia LT37HVS 37 in. LCD HDTV "437 s11 blue light power" Questions

...37in model 437-s11.the power light is on but no pictures I just bought one used and I plugged it in.. blue light on.. why iss it not working ? blue light off when tv on.. this work for this

...437-s11 replaced power supply, main board, and switch board. Blue light on front turns on but the tv won't power up..... I have the back off the tv so I can see one LED lit up on the main board. any ...

...437-S11 stuck in standby mode My classroom TV seems to be stuck in standby mode. Blue light is on but TV won't turn on either by push button or remote. My classroom TV seems to be stuck in standby ...