Computer Error Beeps – What do they Mean?
Computer error beeps - If you ever power on your computer and
you get no image on your monitor what does it mean?
Luckily IBM
had the foresight to think of this and give us the audible
computer beep codes, so if your computer has not picture on its
monitor when starting up your computer it should give us a
series of beeps to indicate what is causing the problem.
Many different BIOS manufacturers have different
computer beep codes , but the ones we have listed here are the
most general.
Computer Error Beeps &
meanings
-
No Beeps No system
power, usually caused by blown fuse on power cord or
PSU
-
1 Short Beep Normal POST or
power on self test confirming that the computer is ok.
-
2 Short Beeps POST error, check
the monitor for error code, This type of error
generally occurs when a system change is made such as adding
more memory, or the CMOS battery has expired and as such
keeps loosing date and time when the computer is powered off
-
Continuous Beeps
Loose pc card or memory SIMM, try reseating all cards
as mentioned
-
Repeating Short Beep No Power,
Loose Card, or Short, check/reseat all cards and
memory SIMMs, including cables running from the PSU to the
motherboard
-
One Long and one Short Beep
Motherboard problem, this can also be processor related,
could be related to recent changes such as memory
upgrades, have a good look at the motherboard to make sure
no capacitors have swelled, there should be a burning smell
if this is the case, motherboard will probably need to be
replaced
-
One Long and Two short Beeps
Video Mono/CGA Display Circuitry issue, older type of
display, reseat graphics card and/or try another
graphics card
-
One Long and Three Short Beeps.
Video EGA Display Circuitry, as above,
reseat graphics and/or try another graphics card
-
Three Long Beeps
Keyboard error, remove and re-connect keyboard
connector, also make sure the keyboard does not have any
stuck keys
-
One Long Beep, computer cannot find
monitor, could be graphics card, video cable or the
monitor itself, try another monitor or another computer
using your monitor to pinpoint fault.
As specified
above there is a lot of error codes in addition to the ones I
have mentioned, so if you need more specific information its
worth searching for error codes for your particular BIOS.
If your
computer has no display the easiest way to get the BIOS
manufacturer is to open the case and look on the chipset.
Common BIOS
manufacturers – AMI – AWARD – IBM – Macintosh – Phoenix -
Computer Error Beeps you can't recognize?
Ask at the forum
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