lenovo z50-70 blank screen an bleep

[zandercatz]

Hi there I have a lenovo z50-70. I have just done a screen replacement on it and it was working perfectly. Now I am getting a blank screen with a loud bleep when I remove the power lead. I have also tried hooking the laptop up to a TV via HDMI and get nothing. Can anyone help please

 

[rgd1101]

MERGED QUESTION
Question from zandercatz : "lenovo z50-70 blank screen an bleep"

I have Lenovo z50-70 with a blank screen single bleep when power lead is removed. I have recently replaced the screen and don't know how to fix this problem. Can someone please help? Thanks