Answer to Question #50634 in Other Programming & Computer Science for biruk zewdie
if an error occurs before the single beep tone in the bootup sequence what type of failure is probable
DRAM refresh failure (see AMI BIOS beep codes). The system is having a problem accessing the system memory. Refreshing is done on all system memory to keep its contents active. It usually means a problem either with the system memory or with the motherboard itself.