I recently upgraded my HP 840 G5 with a new i5 laptop motherboard, and I couldn't be happier with the results. Installation was straightforward, thanks to the clear instructions provided. The performance boost is noticeable; my laptop runs much faster and handles multitasking effortlessly. I can now switch between applications smoothly without any lag, making it great for both work and entertainment. The motherboard also supports the latest updates, keeping my system up to date with the latest features. Overall, it’s a fantastic investment for anyone looking to revive their HP 840 G5. I highly recommend this product for anyone needing a reliable and high-performing motherboard replacement.