No response from my x8g the lights all come on but cant get a link between receiver and quad

Can any one help i have an syma x8g quad coppter ive only used 5 times but i went to use it yesterday and i cant get remote to connect to quad normally when i turn on the lights flash quickly and once a connection has been made the lights slow to show u the connections ok but this doesnt happen tbe lights continue flashing fast ? Is tbere a reset or anything i can do to solve this ?

Do you have a voltmeter to check your battery voltage? It's possible it's not fully charged

I've checked batteries in both quad and controller thanks for your reply

Did you ever solve the problem?