The Most Common Errors (and How to Fix Them) Dell, HP, MSI, and so on), find the support page for your exact model, and you should be able to download a manual in PDF form.
If you don’t have the instruction booklet handy, head to the manufacturer’s website (e.g. So, while there are some pages on the web that attempt to decode these beeps, you’re best off looking in your computer’s manual. It depends heavily on who made the BIOS-the Basic Input-Output System that manages the boot process-and the manufacturer of your computer or motherboard can alter the BIOS’ default beep codes whenever they want. Unfortunately, there’s no standardized “beep dictionary” for these POST codes. It won’t tell you exactly what you need to do, but it’ll at least try to tell you what component is having trouble, like the RAM, CPU, or video card. Think of them kind of like morse code-you just need to take note of how many short and long beeps there are, then look up the resulting code in your PC’s manual. Those beeps (which are known as POST codes, named for the PC’s power-on self-test it performs at boot) are coming from a small speaker connected to your computer’s motherboard like the one shown to the right, and they’re designed to give you error codes when the screen can’t.