Specifications:
Type: PC(Computer) Motherboard Internal Speaker.
Material: Metals and plastics.
Package Includes: 3 PCS.

PC Motherboard internal speaker, In many instances you may not need to have a full set of multimedia speakers on your PC such as in an office environment. With this internal speaker installed you can still hear the PC boots codes as it boots to be sure everything is working correctly.
1 short: the system starts normally, we hear every day, but there is no problem with the machine.
2 Short: general error. Please enter CMOS setting and reset the error option.
1 long 1 short: RAM or motherboard error, try memory, if it does not work, have to replace the motherboard.
1 long 2 short: monitor or display card error.
1 long 3 short: keyboard controller error, check the motherboard.1 long 9 short: flash board RAM or EPROM error, BIOS damaged.Try for block Flash RAM.
Continuous sound (long beep) : memory not in place or damaged.Reinsert memory. If it does not work, replace memory only.
It's always beeping: the power, the monitor and the graphics card are connected.
Check all plugs.
Repeat short loop: power problem.
No sound no display: power problem.