If your PC doesn't recognize the new RAM, follow these steps:
Check Installation: Ensure the RAM is properly seated in the slots.
Consult the Manual: Verify the RAM is compatible with your motherboard.
Update BIOS: Sometimes, a BIOS update is needed for new RAM support.
Test Slots: Try different RAM slots to rule out a faulty slot.
Check for Defects: Test the RAM in another compatible system to see if it's defective.
Verify Specs: Ensure the new RAM matches the required specifications (e.g., DDR type, speed).