Service Hotline: 83605953

PC Servicing Singapore  singapore flag

Latest Articles

PC servicing articles
Beware of Trojan Horse!

BIOS Beep Codes

Now you can repair your own computer with reference to the following BIOS beep codes.

Award BIOS Beep Codes

A long beep will typically last for 2 seconds while a short beep will last only 1 second.

1 Long, 2 Short

Video adapter failure -> Replace video adapter

Repeating (Endless loop)

Memory error -> Check for Bad memory or bad connection

1 Long, 3 Short

Video adapter failure -> Replace video adapter or memory

High freq. beeps (while running)

CPU is overheating -> Replace CPU fan

Repeating High, Low beeps

CPU failure -> Replace processor


AMI (American Megatrends International) BIOS Beep Codes.

AMI BIOS uses beeps of the same length and pitch. The error is displayed as a number of beeps.

1 Beep (No video) Memory refresh failure -> Bad memory
2 Beeps Memory parity error -> Bad memory
3 Beeps Base 64K mem failure -> Bad memory
4 Beeps Timer not operational -> Bad motherboard
5 Beeps Processor error -> Bad processor
6 Beeps 8042 Gate A20 failure -> Bad CPU or Motherboard
7 Beeps Processor exception -> Bad processor
8 Beeps Video memory error -> Bad video card or memory
9 Beeps ROM checksum error -> Bad BIOS
10 Beeps CMOS checksum error -> Bad motherboard
11 Beeps Cache memory bad -> Bad CPU or motherboard

Life Saving Tip:

In case you do not have the servicing manual that documents what each beep code means, these are the simple steps that you can try to troubleshoot the issue:

  1. Reseat the video card
  2. Reseat the memory modules
  3. Reseat the keyboard connector

Good Luck!

Last Update: 03 Sep 2013