Shut down your MacBook, hold Shift + Control + Option and the power button
for 10 seconds, then release and restart.
We are supporting to Laptop Brands Dell,HP,Lenovo,Acer,Asus,Apple,Sony and Samsung laptops
we are located at CHENNAI,BANGALORE,MUMBAI,HYDERABAD AND PUNE
PLS CALL US IF U NEED ANY Service or Sales support ..we are there for u
Contact no:
9500066668,9500066661