How to test your RAM with MemTest (MemTest86 HOW TO)

Summary

This tutorial guides viewers on using Memtest to check for faulty RAM causing system instability. It covers downloading Memtest from memtest86.com, creating a bootable USB, and setting BIOS to boot from the USB. The video also instructs on running tests, ensuring all CPU cores are utilized, and explains that one pass can take 15-60 minutes. It concludes by suggesting further troubleshooting if Memtest shows no errors despite system issues.

Takeaways

• 💾 **Memtest Introduction**: Memtest is a long-standing tool for testing RAM for faults.
• 🌐 **Download and Prepare**: Download Memtest from memtest86.com and extract the ZIP file.
• 📂 **Extract and Write**: Use the 'usb.exe' file to write the Memtest image to a USB stick, formatting it in the process.
• 🚫 **Data Loss Warning**: Be aware that the USB stick will be formatted, erasing all data.
• 🔄 **Writing Process**: Follow the program's instructions to write the image without changing other options.
• 🖥️ **Boot from USB**: Reboot the system to boot from the USB drive, entering the BIOS to change boot priority.
• 🔑 **BIOS Access**: Access the BIOS by pressing specific keys depending on the mainboard (F2, F8, F9, Delete).
• 🔄 **Boot Order Change**: In the BIOS, change the boot order to prioritize the USB drive.
• ⚙️ **Memtest Options**: Ensure all tests and that the magic number (13) is selected for comprehensive testing.
• 🔍 **CPU Core Utilization**: Use all available CPU cores to expedite the testing process.
• ⏱️ **Test Duration**: Be patient as one pass of the 13 tests can take between 15 to 60 minutes.
• 🟢 **Passing Memtest**: A passing result indicates that your RAM is likely not the cause of blue screens.
• 🔍 **Further Troubleshooting**: If Memtest passes but issues persist, consider other components like CPU, power supply, or motherboard.
• 📺 **Additional Resources**: For CPU stability testing, refer to other videos on the channel.

Q & A

What is Memtest and why is it important?

Memtest is a software tool used for testing the memory (RAM) of a computer to detect faults that may cause issues like blue screens. It's important because it helps ensure the stability and reliability of a computer system by identifying potential RAM problems.

Where can I download Memtest from?

You can download Memtest from the official website, memtest86.com.

What file should I download from memtest86.com?

You should download the ZIP file from memtest86.com.

What is the purpose of the 'usb.exe' file mentioned in the script?

The 'usb.exe' file is used to write the Memtest image onto a USB stick, which is then used to boot the system for memory testing.

What should I do if I have important files on the USB stick before using it with Memtest?

You should back up any important files from the USB stick before proceeding, as the process will format the USB stick and all data will be lost.

How do I change the boot priority to boot from the USB drive?

You need to enter the BIOS and change the boot priority. The method to enter BIOS varies by mainboard manufacturer and may require pressing F2, F8, F9, or Delete. Consult your mainboard manual if you're unsure.

What should I select in Memtest to ensure all tests are run?

You should ensure that all of the tests, particularly the magic number 13 tests, are selected to run Memtest comprehensively.

How many passes does Memtest run by default?

By default, Memtest runs 13 tests 4 times, which means there will be 4 passes.

What is the approximate time range for one pass of Memtest?

One pass of Memtest can take between 15 to 60 minutes, depending on the system speed, the amount of RAM, and its respective speed.

What should I do if Memtest does not find any errors but I still experience blue screens?

If Memtest does not find any errors but you still experience blue screens, you may need to investigate other potential issues such as CPU overheating, a faulty power supply, or mainboard problems.

How can I test my CPU for stability as mentioned in the script?

The script suggests checking info cards for another video that presumably provides a tutorial on CPU stability testing.