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Last reply by 10-15-2021 Unsolved
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3 Silver
1144

XPS 9570 Windows 10 Device Manager reporting wrong BIOS version

After updating to BIOS 1.21 (Dell XPS 15 9570 System BIOS | Driver Details | Dell US), Device Manger is reporting a version of 1.20.

samus1_2-1634071964865.png

samus1_7-1634072578694.png

However, both Dell Update and System Information (msinfo) are reporting 1.21 (I still need to reboot again back into BIOS to confirm what it reports, just haven't had the opportunity to yet).

samus1_0-1634072729520.png

samus1_6-1634072361903.png

Replies (8)
7 Thorium
1136

In this case I would only trust what the BIOS displays after you boot into the BIOS (F2). 




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3 Zinc
1132

I've see this before with my own laptop.

the version in device manager will only change once the new firmware is offered and downloaded from windows update. no update actually takes place if you've previously manually installed the latest version but somehow this windows update corrects what you see in device manager.

1104

I actually did in fact manually install it b/c the dell drivers download page had the newer version available despite neither Support Assist, Dell Update, nor Windows Update detecting it.

I have seen Windows Update queue up and "install" drivers, firmware, even the BIOS, that was the same version already installed. I know these can be blocked, but sometimes are too quick to catch. During such an update the install progress bar flickers to 100%, and even though the update shows as installing successfully in history, I think what really happens is a passive acknowledgement that the same version already existed, and is skipped (maybe it is through this mechanism that the Windows version numbers become consistent, as you were mentioning, otherwise I wouldn't see a point in the update being detected in the first place). I suppose to confirm this I could always check the modified date of the driver files.

6 Indium
1098

You check in the BIOS (per JOcean) to see which BIOS version is listed? 

1. Power off system

2. Power on system, quickly start tapping F2 key continuously until you see BIOS setup or menu. 

6 Indium
1097

By the way, you are sure that is a BIOS version listed in Device manager? 

Solved: What is System Firmware in Device Manager? - Dell Community

Device manager usually doesn't list BIOS version.

Lastly, 

In your first post, second image, select Firmware, what are the details ? 

Capture.PNG

1064

BIOS is reporting 1.21, and Device Manager 1.20 even after another reboot.

1062

Quite the distinction, between system and device firmware. Thanks for pointing out.

Here is a screen of the Firmware tab (not sure what 11550 is for):

samus1_0-1634331438799.png

3 Argentum
1054

First off, this is not a problem! All it means is Windows has not pushed the current Bios to the computer. Give it time and it will do exactly that. You can try to force it from the Driver tab > Update Driver > Search Automatically .., but if the update is not available it will say the best driver is already installed 

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