Bluetooth on ubuntu 14.10

My Laptop is Acer Aspire E1-432, Now It is running Ubuntu 14.10 Utopic. Kernnel 3.16
When I turned on laptop, on status bar didnt have bluetooth icon (setting>bluetooth>cant turn on/off). After that, I restarted laptop, The bluetooth icon was had on bar and i could use it.
That is repeat every i use my laptop. How to fĩx it ? Please help me.
p/s: I am very bad at English :(