AMD Radeon HD 5850 compatibility issues with ASUS M5A78L LE

[dimgfx]

Yesterday i bought a brand new ASUS M5A78L LE motherboard to replace my old one P5NE-SLI. I have an AMD Radeon HD 5850 graphics card and it was fully functional with the P5NE-SLI, but it's not working with my new motherboard. I didn't change my PSU so it's not the problem from the PSU (850W). I've checked everything the wire connections, the RAM, the PSU, everything. When i started up the system with my new motherboard and the HD 5850 i got one long beep and three short beeps which means that there is no VGA. I had an old AMD Radeon 2000 series gfx card (i don't remember the exact model) and i put this card in. The system started up without the beeps and i had graphics, but a very bad resolution. I installed the drivers and again the resolution was bad. I've also intalled the latest BIOS version and still nothing with the HD 5850! Please help me!! I want to know how can i make the Radeon HD 5850 to work with my system!

My computer specs:
CPU: AMD FX-8120 3.1GHZ 8-CORE
PSU: 850W (i don't know the brand)
RAM: Geil 1600MHz 4GB(2x2GB)
Motherboard: ASUS M5A78L LE
GPU: AMD Radeon HD 5850 (which i want to make it to work with the system)

Please help me!

 

[ASHISH65]

Check that gpu in others pc.your mobo is compaitable with any gpu.

 

[dimgfx]

Check that gpu in others pc.your mobo is compaitable with any gpu.

I've checked the gpu and there is no problem. I don't know what's going on. I knew that my mobo is compatible with any gpu, but i have this problem.

 

[ASHISH65]

Then its clear that mobo 's pci exp slot is faulty.replace that mobo.

 

[dimgfx]

Then its clear that mobo 's pci exp slot is faulty.replace that mobo.

Right now i borrowed an nvidia GT-315 gfx card and it's working with full resolution, but i have a interferences and i don't know from where!! Probably as you said the PCI Slot is faulty.

 

[ASHISH65]

You mean nvidia card worked.have plugged 6pin connected to hd 5850 from psu.

 

[dimgfx]

You mean nvidia card worked.have plugged 6pin connected to hd 5850 from psu.

The nvidia card worked, with interferences as i said before. This card has not six pin connection it gets the current from the slot. My PSU is fully functional.

 

[ASHISH65]

I mean you need 2 x 6pin connector from psu to connect hd 5850.

 

[dimgfx]

I mean you need 2 x 6pin connector from psu to connect hd 5850.

Yes i need 2x6pin connector to connect the HD 5850 and i have them.

 

[ASHISH65]

Without pluging gpu is your system starts?

 

[dimgfx]

Without pluging gpu is your system starts?

Yes it starts, but with no gfx cause there is no internal gfx card.

 

[ASHISH65]

now conclusion is

1)your mobo is fine
2)gpu is fine
3)your psu is fine

there is a compability issue i think so related to bios.can you give me webpagr of your mobo bios downloads page

 

[dimgfx]

now conclusion is

1)your mobo is fine
2)gpu is fine
3)your psu is fine

there is a compability issue i think so related to bios.can you give me webpagr of your mobo bios downloads page

Here is the page: http://www.asus.com/Motherboards/AMD_AM3Plus/M5A78L_LE/#MSL (in the download section i choose windows 8 64 bit)

 

[ASHISH65]

Try disabling the on board graphics in the BIOS.

 

[ASHISH65]

Dude download and update bios from this not from memory support

- http://www.asus.com/Motherboards/AMD_AM3Plus/M5A78L_LE/#download

hope this will solve your problem

 

[dimgfx]

Dude download and update bios from this not from memory support

- http://www.asus.com/Motherboards/AMD_AM3Plus/M5A78L_LE/#download

hope this will solve your problem

I've downloaded and updated the BIOS from this page http://www.asus.com/Motherboards/AMD_AM3Plus/M5A78L_LE/#download and not from the memory support. What you told me before to disable the on-board graphics, i go to the advanced tab and then chipset and there says "internal graphics" and i enter. I can't find anything to disable. I don't have on-board graphics.

 

[ASHISH65]

ok so after updating bios it worked or not?

 

[dimgfx]

ok so after updating bios it worked or not?

The same again it didn't work.

 

[ASHISH65]

Really hard to tell whats the problem.ok i just update if i got a solution.