[Windows Central Question]

when camera open there is blank screen appearing no images

[gpobernardo]

when camera open there is blank screen appearing no images

Try restarting your performing a soft reset on your phone. If these don't work, you may either need to perform a hard reset or have your phone checked in an authorized service center for possible repair. This process works for any phone model.

If you're using a windows phone 8, a soft reset is carried out by pressing the volume down and power buttons together until your phone restarts.