Question Beep code on a dell optiplex 755

Jan 8, 2019
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I recently tried to start my optiplex 755 sf after my power supply finally decided to die on my good computer and i got a beep code. The only thing out of the ordinary on it is theres a gigabyte gv-nx86t256h in the pci-e x16 slot(only put it in so i get opengl and shader model 4) and the cover for it is off(so the gpu fits in it). Also changed the ram to 8g. Nothing else has changed. I tried with out the gpu but still got the same beeps. I have no clue whatsoever this means so i hope someone else can understand it. Here's the link to recording(Might need vlc, google it if you don't have it).
 
Hard to tell if its 3 or 4 beeps in a sequence, but these are the most common beep codes.

1-3-1 through 2-4-4​
Memory not being properly identified or used​
4-3-1​
Memory failure above address 0FFFFh​

If you experience any of the following beep code errors, see Contacting Dell for instructions on obtaining technical assistance.




Code

Cause
1-1-2​
Microprocessor register failure​
1-1-3​
NVRAM read/write failure​
1-1-4​
ROM BIOS checksum failure​
1-2-1​
Programmable interval timer failure​
1-2-2​
DMA initialization failure​
1-2-3​
DMA page register read/write failure​
1-3​
Video Memory Test failure​
1-3-1 through 2-4-4
Memory not being properly identified or used
3-1-1​
Slave DMA register failure​
3-1-2​
Master DMA register failure​
3-1-3​
Master interrupt mask register failure​
3-1-4​
Slave interrupt mask register failure​
3-2-2​
Interrupt vector loading failure​
3-2-4​
Keyboard Controller Test failure​
3-3-1​
NVRAM power loss​
3-3-2​
Invalid NVRAM configuration​
3-3-4​
Video Memory Test failure​
3-4-1​
Screen initialization failure​
3-4-2​
Screen retrace failure​
3-4-3​
Search for video ROM failure​
4-2-1​
No timer tick​
4-2-2​
Shutdown failure​
4-2-3​
Gate A20 failure​
4-2-4​
Unexpected interrupt in protected mode​
4-3-1​
Memory failure above address 0FFFFh​
4-3-3​
Timer-chip counter 2 failure​
4-3-4​
Time-of-day clock stopped​
4-4-1​
Serial or parallel port test failure​
4-4-2​
Failure to decompress code to shadowed memory​
4-4-3​
Math-coprocessor test failure​
4-4-4​
Cache test failure​
 

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