Computer beeping on start-up

I recently cleaned all of my hardware, as my pc kept overheating. I put everything back last night and tried starting it. At first it wouldn't stakrt, so I had someone help me and now it turns on, but it's giving me a beep code I can't really identify. It sounds like two long beeps followed by a short beep and it goes on forever. I haven't been able to find a beep code guide for this, so I was wondering what this could mean.

I've tried removing ram sticks and starting and it's still beeping.
I've tried changing the power supply to 230v and it stops beeping, but nothing happens and the computer won't turn off when I pres tje power button, so I set it back to 115v.
I've tried unplugging USB and keyboard, even the monitor and it still beeps.
I've tried hard resetting hardware and that didn't work.
I tried disconnecting each hard drive, one by one and it still beeps.
As a last resort, I'm just going to buy new parts.

Hardware specs:
Gigabyte GA-A55M-DS2 Motherboard
Intel System/case fan
(Can't see the model of the cpu fan)
1 western digital 320gb hard drive
1 western digital 250gb hard drive
1 Samsung 160gb hard drive
XTech 500W power supply set to 115v
Nvidia graphics card, model P1310
Took out audio card since I don't use it.
Reply to Islingr
20 answers Last reply
More about computer beeping start
  1. dissemble your PC and assemble it again the right way follow tutorials and guides
    Reply to Power94
  2. I just finished re-assembling it using a tutorial I found on YouTube. It's still beeping.
    Reply to Islingr
  3. can you post the pictures and exactly what cables you connect where and how
    Reply to Power94
  4. Power94 said:
    can you post the pictures and exactly what cables you connect where and how


    Hard drives and CD are all connected to the power and SATA cables


    SATA Cables are connected to SATA plugs on motherboard


    CPU fan is connected to the CPU_FAN plug in the motherboard


    System/case fan is connected to the SYS_FAN plug on the motherboard


    Monitor and power supply are both connected to a power strip (which works perfectly. I did multiple tests on it.). The black plug on the left is the power supply and black plug on the right is the monitor


    This is where the monitor and power supply cables are connected. The bottom one is the monitor and the top is the power supply.
    https://i.imgur.com/HBnzRok.jpg

    This is where the graphics card connects to the motherboard. (The graphics card doesn't have it's own power cable??)

    There's this one cable that comes from the power supply and I have no idea where it goes. (Could this be the cause of the beeping?)
    Reply to Islingr
  5. no that cable you don't need to connect..press the GPU down to see if is properly in
    Reply to Power94
  6. and try putting ram on the next free slot
    Reply to Power94
  7. Power94 said:
    no that cable you don't need to connect..press the GPU dI've tried own to see if is properly in


    It is.
    When you said to put RAM in the next free slot, there's only two and both already have RAM in them.
    Reply to Islingr
  8. and ram?
    Reply to Power94
  9. psu need to be on 220/230
    Reply to Power94
  10. I wouldnt change the voltage. You probably fried something
    Reply to Paul NZ
  11. where do you live? if you live in EU then switch to 230 if you in US then 115
    Reply to Power94
  12. Power94 said:
    psu need to be on 220/230

    Are you sure? Cuz 115v is for North America (I read that somewhere) and 230v for anyone else.

    EDIT: I set it to 230v and the same thing I described in my post still happens. It turns on and doesn't beep, but the screen shows nothing and I can't turn it off by pressing the power button.
    Reply to Islingr
  13. What could I have fried?
    Reply to Islingr
  14. I was cleaning up everything and found a black cable. Both of the ends look like this
    Reply to Islingr
  15. And whats it connected to?
    Reply to Paul NZ
  16. I think that is audio or usb cable can you gave me a better picture? This can be your problem fix
    Reply to Power94
  17. Paul NZ said:
    And whats it connected to?


    Nothing. The only place on the motherboard it would connect is a plug at the bottom and it's still beeping.
    Reply to Islingr
  18. try to clean comos and give it try again and connect that last cable
    Reply to Power94
  19. Power94 said:
    try to clean comos and give it try again and connect that last cable


    comos?
    Reply to Islingr
  20. Islingr said:
    Power94 said:
    try to clean comos and give it try again and connect that last cable


    comos?


    CMOS battery
    Reply to Power94
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