![Boot doesn't start when computer is turned on. Only red warning LED appears. CPU or MB to blame? - Super User Boot doesn't start when computer is turned on. Only red warning LED appears. CPU or MB to blame? - Super User](https://i.imgur.com/XsLSJk4.jpg)
Boot doesn't start when computer is turned on. Only red warning LED appears. CPU or MB to blame? - Super User
![Replaced my 5800x on Asus Hero crosshair VIII after red CPU light, still red CPU led, system is brand new 2 months old. Tried 1 RAM, different RAM. Clear CMOS changed battery Replaced my 5800x on Asus Hero crosshair VIII after red CPU light, still red CPU led, system is brand new 2 months old. Tried 1 RAM, different RAM. Clear CMOS changed battery](https://external-preview.redd.it/19ziDnO5TSuwoaJz46HHuZ8loGHYfeivhOASupRKEQA.png?format=pjpg&auto=webp&s=c05a008344099e06e1dbe9aa6086b1dc34cf4baf)
Replaced my 5800x on Asus Hero crosshair VIII after red CPU light, still red CPU led, system is brand new 2 months old. Tried 1 RAM, different RAM. Clear CMOS changed battery
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Amazon.com: ASUS VivoBook F512 Thin and Lightweight Laptop, 15.6” FHD WideView NanoEdge , AMD R5-3500U CPU, 8GB RAM, 256GB SSD, Backlit KB, Fingerprint Reader, Windows 10, Peacock Blue, F512DA-EB51 : Electronics
![Z490 motherboard guide: ASUS harnesses the power of 10th Gen Intel® Core™ CPUs with ROG, ROG Strix, Prime, TUF Gaming, and ProArt - Edge Up Z490 motherboard guide: ASUS harnesses the power of 10th Gen Intel® Core™ CPUs with ROG, ROG Strix, Prime, TUF Gaming, and ProArt - Edge Up](https://edgeup.asus.com/wp-content/uploads/2020/07/x490-feature-2-696x464.jpg)