acer laptop beeps at startup and isn't loading pass startup screen

[larissakings]

My Acer Laptop was working fine then when I clicked a photo and it delayed and started thinking like usual I looked away then next thing I realise is its rebooted and it's beeping at the start up screen that says Acer and isn't going any further . Can anyone help please!!

 

[ffg7]

how many times does it beep & is there a pattern to those beeps?