Shawn Dec 28, at 3: CF Keyboard fault Pinyoro , Dec 7, , in forum: Tags for this Thread backlight not working , bios , g74 backlight. Originally Posted by C4RN1. Cant find an answer on Google, please help! Turn the laptop upside-down. Did Windows 10 come pre-installed?

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Try re-installing it, if you have it already.

Asus G74SX Keyboard Backlight Fix

Sometime recently, the keyboard backlight on my G74SX stopped working. If they don’t, there’s nothing that can be done in Windows to bring ’em back. It only updates the last 2. The other badklit that they didn’t hook the light back up. Slowly separate the two parts.

I had a similar issue: So I sent it in with Bios Versionit now hasthat is 1 of 2 things Asis think it could be. Thanks for the feedback dstrakele! I just replaced my motherboard and thought I was going to be stuck with no backlight.

Current bios version is If it remains a mystery, I will follow your advice, and contact the service center. I would also ask you to describe the correct bios flashing procedure for G74SX as far as I killed mine by using Asus flasher that is available on startup. I read a lot of articules that Win10 could be the reason.


All of the other Fn keys work fine. The reason was a stub for backlight. The G74SX appears to be subject to the same problem as the G73 series. Eventually he would rewrite the part of the bios that controls the keyboard backlight to restore functionality.

ASUS ROG GLVW – backlit keyboard not working [Solved] – Laptop Tech Support

But I don’t have any, only “Settings”, Subscripted threads” and “Misc”. Backlit Keyboard not working!

So, has anyone else with a G74SX run into this problem? Page 2 of 2 First 1 2 Jump to page: After trying to reinstall the correct ATK drivers we noticed that the keyboard backlight didn’t even flash upon boot. OSO27 February 16, 7: MavsVj February 2, 8: Page 1 of 2 1 2 Last Jump to page: Unfortunately, the Asus update files do not appear to have this variable set correctly not sure how this can be.

I’m not exactly sure when it happened.

G74SX Keyboard backlight disabled

It’s working thank you man. Shawn Dec 28, at 3: Sounds like you don’t have a pdf reader. Long story short, one of the many issues I ran into was that the keyboard backlight didn’t flash upon post. Before I sent it in, the hacklit light worked well.


During searches, I found this issue, from the G73 series: Back in early we found that sometimes the keyboard backlight on the G73 would become inoperable due to a bios flash or driver update.

As you observed, it is important the lights flash on startup.