Guest62 0 Report post Posted August 4 Does Two Monitors Slow Down Computers? They won’t affect performance unless you’re doing intense gaming or rendering videos both from those panels at once. However, you have to make sure that your system can handle all these demands simultaneously by adjusting settings accordingly. Some people will say that having two monitors installed on your desktop does not slow down the computer. These people usually use a more powerful machine or have some form of graphics card arrangement to help with the loading. Quote Share this post Link to post Share on other sites