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One short beep followed by one long beep continuously.

HP Recommended
Pavilion p6404y
Microsoft Windows 7 (64-bit)

I casually today turned on my pc when it started making theese beep sound. It was all working fine untill now. I checked ram but its good don't know what else to do.

Please help.

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Thank you for posting your query on HP Community,


Are you able to boot into BIOS on your PC?

Have you tried checking with a different memory?

Did you make any software or hardware changes on your laptop?


Here is a guide to HP BIOS beep codes.  It shows that it is a memory problem, as you suspected.


Try reseating the memory on your PC and try one memory at a time and check if you still have booting issues with your PC.


Also, try swapping the memory to different memory slots check if the issue persists.


Let's try to run an extensive system test from F2 and check if the hardware components on your PC are functioning correctly.


1. Hold the power button for at least five seconds to turn off the computer.

2. Turn on the computer and immediately press Esc repeatedly, about once every second.

When the menu appears, press the F2 key.

3. On the HP PC Hardware Diagnostics (UEFI) main menu, click System Tests.

4. Click Extensive Test.

5. Click Run once, or Loop until error.

While the test is running, the time remaining and test result for each component are

shown on the screen.

6. If a component fails a test, write down the failure ID (24-digit code) so you have it

available when you contact HP Customer Support. The information is also available in

Test Logs on the main menu.


Refer this article to know more information about running system diagnostics on your PC. Click Here


You may refer to this HP support article for beep codes - HP Desktop PCs - Computer Does Not Start and Emits an LED or Beep Code


Let me know how it goes for further assistance. 


Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.


Click the "Kudos, Thumbs Up" on the bottom right to say "Thanks" for helping!

I am an HP Employee

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