16GB DDR4 supports dual-channel configurations, but only 8GB is officially compatible.
16GB DDR4 supports dual-channel configurations, but only 8GB is officially compatible.
Your laptop meets the supported specs and supports hybrid channels with the right configuration. The issue with the RAM might be due to BIOS settings or compatibility settings. Checking the BIOS menu for dual-channel support could resolve this. Regarding upgrading your display, ensure your motherboard and cables support 1080p resolution.
Typically it turns into 24GB asynchronous dual-channel, which is slower than full-duplex but quicker than single-channel. You can verify your mode using CPU-Z. It might be a compatibility problem. Did you mean a single-rank memory stick instead of dual-rank?