[DRAM How-To] What if my computer won't boot or gets a Blue Screen after installation?

If you encounter issues after installing RAM, troubleshoot them step-by-step:

1. Check Power Connections: Ensure the power cord is securely connected to both the computer and the wall outlet.
2. Reseat the Memory:
   • Completely shut down and unplug your computer.
   • Open the case and firmly unclip and then re-insert each memory module, ensuring they click securely into place. Sometimes, a module might not be fully seated.
3. Try One Module at a Time: If you installed multiple modules, remove all but one. Try booting the computer with just one module installed in the primary slot (check your motherboard manual for the designated primary slot, often DIMM_A2). If it boots, try swapping that module with another one to identify if a specific module is faulty.
4. Try Different Slots: If a module works in one slot but not another, the slot itself might be faulty.
5. Clear CMOS (Complementary Metal-Oxide-Semiconductor): This resets your motherboard's BIOS settings to their default. You can usually do this by:
   • Removing the small coin-cell battery from the motherboard for about 30 seconds (with power disconnected).
   • Using a "Clear CMOS" jumper or button on your motherboard (refer to your manual).
   • This is particularly helpful if you previously had high-speed XMP profiles enabled, and the new memory is struggling to initialize.
6. Check for Beep Codes: Listen for any series of beeps when you try to power on the computer. These "beep codes" are diagnostic signals from the motherboard indicating specific hardware issues (often memory-related). Consult your motherboard manual for the meaning of these codes.
7. Verify Compatibility Again: Double-check that the newly installed RAM is indeed compatible with your motherboard and CPU. Refer back to the motherboard's QVL.
8. Test with Known Good RAM: If possible, try testing your system with memory modules that you know are working correctly from another computer. This can help isolate whether the issue is with your new RAM or another component.
9. Update BIOS/UEFI (Caution Advised): If none of the above work, and you suspect a compatibility issue, consider updating your motherboard's BIOS/UEFI to the latest version. Proceed with caution as a failed BIOS update can render your motherboard inoperable. Only attempt this if your system is currently somewhat stable or if it's a last resort and you understand the risks.

Seek Professional Help: If you've exhausted all troubleshooting steps and still cannot resolve the issue, it might be time to contact the memory manufacturer's support or a professional computer technician