Post Problem in Standby mode

I was unlocking my CID For HTC P3050(Telus) and i updated a new ROM update from TELUS but now i am having problem in Standby mode
When i press the power button it goes in standby mode and when i want to come back on the screen and press power button just a blue light blinks and then i am not able to get the screen and i have to restart the mobile so can any one please help me on this pbl