Why does computer beep

Again, figuring out the BIOS manufacturer is key to knowing what error code the board is throwing your way. If your system is prebuilt or a laptop, you can generally find the error codes and their meaning at the back of your manual or on the company's website. Dell has a long list on their website, as does Lenovo. Another thing to keep in mind is that depending on the model and year your computer was made or motherboard if you built it yourself , the beep codes could have changed.

Other than it functioning normally, you could have a bad power supply. No power to the motherboard equals no sound or LED code indicators. What to Know Power on or restart the computer and listen carefully to the beeps. Write down the number of beeps and whether they are long, short, or of equal length.

Also, make a note if the beeps repeat. Install a tool to determine the BIOS maker and then consult the appropriate online troubleshooting guide. Was this page helpful?

Thanks for letting us know! Email Address Sign up There was an error. Please try again. You're in! Thanks for signing up. There was an error. Tell us why! More from Lifewire. Your Privacy Rights. To change or withdraw your consent choices for Lifewire. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. The beeping sequence is really a coded message beep code designed to tell the user what is wrong with the computer.

There is no official standard for beep codes; audio patterns vary according to the manufacturer of the computer's BIOS program. If an error message is beeped on startup, the user must first determine what kind of BIOS the computer is running Phoenix or AMI are the most popular and use that information to look up the particular beep code sequence that is being sent.

BIOS information and beep code interpretations can be found in the manual that comes with the computer and on the manufacturer's Web site. So, to understand it, the first thing you need to do is find out what BIOS you have this can be achieved by reading the manual. If you don't have one, the manufacturer usually keeps an electronic copy on their site. Also see How can I find out what motherboard is in my computer? Sign up to join this community. The best answers are voted up and rise to the top.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Why does my computer beep when I turn it on? What are these beep codes? Ask Question. Asked 7 years, 3 months ago. Active 6 years, 8 months ago.

This is document afzy in the Knowledge Base. Last modified on Skip to: content search login. Knowledge Base Toggle local menu Menus About the team. Knowledge Base Search. Log in. Options Help Chat with a consultant. Include archived documents. Many BIOSes will have different beep codes even if they appear to be from the same manufacturer.

This is because motherboard manufacturers reprogram codes to reflect their own customizations. You can often go to the website for the motherboard's manufacturer to find the updated codes, but you may find cases where the manufacturer simply does not document the changes. Beeps Meaning 1 long, 2 short Video adapter error: Bad or improperly seated video card.