Blue diode dead on G512. Read on other posts here that it happens on a lot of keyboards. Just bought this last November and warranty procedure is hard where I am. Really
A set keycaps for Logitech G512 G513 CARBON GX Blue C Mechanical Gaming Keyboard | eBay
Logitech G512 Mechanical Gaming Keyboard Lightsync Rgb Wired Gaming Keys Gx Blue Switch Brushed Aluminum Case For Esports Gamers - Keyboards - AliExpress
Logitech Gaming G512 - Keyboard - backlit - USB - key switch: GX Blue Clicky - Walmart.com
Logitech G512 Carbon GX Blue Switch Mechanical Gaming Keyboard Review
Meet the new GX Blue Sporting G512 keyboard
Logitech - G512 SE Full-size Wired Mechanical GX Blue Clicky and Tactile Switch 97855151513 | eBay
Logitech G512 Carbon GX Blue Switch Mechanical Gaming Keyboard Review
Amazon.com: Logitech G512 Lightsync RGB Mechanical Gaming Keyboard, Carbon English Layout GX Blue Switch, Brushed Aluminum Case, USB Pass Through, 920-008936 (Renewed) : Video Games
Logitech G512 Carbon mechanical gaming keyboard review: Finally, some new switch choices - HardwareZone.com.sg