A significant BIOS flaw has affected Lenovo Legion gaming PCs

Due to a recently issued BIOS update that went live in April, some Lenovo gaming laptop owners have experienced issues.

More and more people have been updating to BIOS version ‘GKCN53WW’ since it was released a month ago, and there have been an increasing number of complaints on various online forums (including Lenovo’s own platform) about major issues that have arisen as a result of the upgrade. the issues are primarily affecting Lenovo Legion gaming computers.

In certain situations, the BIOS upgrade has caused problems such as Blue Screen of Death crashes with the error ‘DEVICE POWER STATE FAILURE’ or even boot failure, freezing during game sessions, and frame rates decreasing dramatically.

One Reddit denizen posted: “I installed this on a Legion 7 16ACHg6 I’ve had for 7 months. After playing games for 10 min or so the laptop severely throttles for a couple of minutes. In terms of performance, it was impossible to ignore. Dropping from 75-140fps in FFXIV online to around 15-20fps.This throttling would repeat every 10 min or so.

Lenovo does indeed rate this BIOS update as a critical upgrade to install, presumably because it contains fixes for some nasty BIOS vulnerabilities revealed by the laptop maker last month, along with a bunch of tweaking for power-related settings.

“I reverted to GKCN49WW and the problem is gone. Pretty severe bug for a gaming laptop BIOS update pushed as ‘critical.’”

First off, we should note that there are folks on these various Reddit (and other) threads who have reported installing the GKCN53WW update without any problems. So, it might just be a relatively small percentage of Legion owners who have hit trouble with this BIOS update – we can’t know the exact numbers, of course, but the number of threads on Reddit suggest that this is not a rare occurrence, at least.

Therefore the best course of action could be to give the GKCN53WW update a swerve for now, arguably; but that said, those aforementioned BIOS vulnerabilities are not something you want to leave hanging around. However, you do not need GKCN53WW to fix those, as per Lenovo’s security advisory on this matter, those holes are resolved by updating to GKCN51WW (as well as GKCN53WW). So if you’re already on 51WW, you’re protected against these exploits.

The rub is that if you want to grab GKCN51WW now, you can’t anymore – we’re not sure why, but the only option for download is the new GKCN53WW, with its possible crashing and frame rate dropping issues. Hopefully Lenovo will fix this BIOS update soon enough, but we haven’t heard anything from the manufacturer yet – and meantime, you’re left with the tricky choice of whether to upgrade and chance the crashes, or stick and risk the vulnerabilities instead. (If you’re on GKCN51WW and managed to grab this version before it disappeared, we’d suggest very firmly that you stick with it for now).

News Summary:

  • A significant BIOS flaw has affected Lenovo Legion gaming PCs
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This news is republished from another source. You can check the original article here

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