3 Beeps Computer. Solved: I cannot find an answer to this particular sequence of beep codes. If your computer is beeping and not coming on with three beeps that repeats constantly here is whats wrong and how to fix it.
The beep codes for IBM computers are listed in Table D. (All are short beeps separated by pauses.) Three continuous beeps could mean a number of things. When the computer sends out more than one beep, it usually means that there is something wrong at the hardware level. I have gotten it when neglecting to install RAM modules and booting without and memory installed.
Three beeps that repeat after a pause and occur when you power on your computer indicate a problem with the system memory.
Summary: This article takes you through the beep codes for the Dell Inspiron, Vostro, OptiPlex and If the display cannot show any errors your computer might emit a series of beeps during start-up.
IBM beep codes IBM personal computers (Thinkpads and Desktops) use a Phoenix-based BIOS. Does your computer continue to boot and work normally? Try to think of something that changed in the computer (other than software).