What you need: A spare USB flash drive (1GB or larger) and access to a working computer to create the bootable drive.
Step 1: Download MemTest86
Step 2: Create a Bootable USB
Step 3: Boot from the USB
Step 4: Run the Test
Step 5: Interpret MemTest86 Results
Before running software diagnostics, verify that the issue is likely memory-related. how to run memory diagnostics
Before diving into the "how," let’s briefly address the "why." Faulty RAM produces erratic behavior that is easily mistaken for malware, driver issues, or a failing hard drive.
Common symptoms of bad RAM include:
The good news: Running a diagnostic is free, takes under an hour, and gives you definitive proof before you spend money on replacements.
Your RAM is seriously defective. Do not use this computer for critical work. The module is physically damaged. What you need: A spare USB flash drive