电脑无法启动，请高人指教 95GRB2X

我的电脑是inspiron 531，今天一开机，出现提示：Alert!Previous attempts at booting this system have failed at checkpoint [EDH].For help in resolving this problem,please note this checkpoint and contact DELL technical support.请问这是怎么回事，该怎么处理？谢谢。