Do you have all important data on the PC backed up and proven to be both recoverable and readable?
I associate grinding noises with a failing HDD.
Update your post to include full system hardware specs and OS.
Installed drives: makes, models, capacity, how full?
Beeps: Any pattern of long and short beeps?
Look in Reliability History: any entries that you can associate with the occurring beeps?
{(2 Years of Usage)}
Specs:
OS: Windows 10 Home 1909 (64 Bit); Partially damaged installation (I won't fix it as I will new computer)
CPU: Intel Core i7 920 (1st Gen)
GPU: Nvidia GeForce GT 710 / 1GB / DDR3
RAM: 8GB DDR3 (Kingston; 1333MHz) (MXIC?)
HDD: Seagate Pipeline HD ST3500312CS
Also, during startup, the beeps are so intense, that it sounds like the pc is just grinding against a metal surface very quickly, and that lasts for ~14 minutes, while an above-average frequency of beeps then can last up to an hour.
The computer randomly slows down for no reason throughout the day. (During startup; and 4+ slowdowns throughout the day).
The hard drive speed is wild, very wild. Ranging from 3MB/S to 22MB/S
Every startup, the beeping gets worse and worse.
At first it was light beeps every 2 minutes or so, now yeah...