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June 20th, 2025 15:34

Dell G15 5530 BIOS version 1.23.0

I’m experiencing serious performance issues with the new Dell G15 5530 BIOS version 1.23.0 after updating. I tried to downgrade, but it’s not allowed and the system blocks any attempt to revert the BIOS version.

I’ve encountered several problems with all external devices connected to the USB ports on the machine:

  1. The mouse cursor stutters while moving.
  2. The keyboard backlight keeps turning on and off repeatedly.
  3. When I plug in an external HDD, some other devices connected to the USB ports get disconnected.
  4. My speakers produce crackling sounds during deep bass and heavy output. I’ve tested two identical speaker sets, and both have the same issue on this laptop—but they work perfectly fine when connected to another PC.

At the moment, the system is nearly unusable. Is there a new BIOS update available? I noticed that version 1.23.0 has been removed from Dell’s official website, which suggests this version may have serious issues.

Community Manager

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3.2K Posts

July 8th, 2025 12:26

Hi,

To resolve this issue, Dell has released an I-REV BIOS version that addresses the problems caused by the previous release.

Important:
The I-REV BIOS is a corrective version that replaces the previous one and restores proper system functionality. It is available upon request through Dell Technical Support. Access to this version requires signing a consent form, as the file is considered a temporary solution and must not be shared.

How to contact support:
You can start a support request directly through the Dell Community by clicking the “Get Help Now” button in the bottom-right corner of the screen.

(edited)

10 Elder

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28.6K Posts

June 20th, 2025 16:03

Before looking for a downgrade, unplug the system and disconnect the main battery from the mainboard.  Hold the power button for 30 sec.  Then reassemble and check the system - it's very possible that there is corrupt information in the CMOS that's causing the issue.

1 Rookie

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3 Posts

June 20th, 2025 16:27

@ejn63

I checked with ChatGPT and, based on my knowledge, the issue I mentioned is unlikely to be caused by the CMOS battery. Others have also reported the same problem with the new BIOS version 1.23.0: https://www.reddit.com/r/Dell/comments/1jwylku/dell_g15_5530_new_bios_1230/.

What I need to know is what happened with this version, as Dell has quietly removed it from their official website

1 Rookie

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3 Posts

June 20th, 2025 16:28

If Dell cannot resolve the issue within a reasonable timeframe, I may file a formal complaint to request either a full refund or a system replacement, as the laptop is still under warranty.

1 Rookie

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5 Posts

July 1st, 2025 01:15

Same here.. Talked with technical support no one is able to downgrade after trying every possible way. I doom scrolled all the forums and threads no luck so far. 
about system replacement they did tell me we will open 3 service request on the same issue and still if the issue can not be resolved i will be given the option of system exchange 

please let us know if anyone find the solution.

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10 Posts

July 1st, 2025 17:31

Same here.. the best bios was 1.18! This bios 1.23 its a shame for dell.

1 Rookie

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5 Posts

July 1st, 2025 17:51

@brunomasca​ 

did u find any way to downgrade from 1.23 to any other version of bios brother. 

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5 Posts

July 8th, 2025 13:15

@DELL-Nat M​ 

I have there question. Would appreciate if you can answer.

1). Do you know what will be the  corrective bios version be. Will it be 1.23.0 or another version.

2). After following your solution. Will i have the ability to downgrade the bios to the accepted version? 

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3 Posts

July 19th, 2025 04:47

@DELL-Nat M​ provide the downgrade option new bios version is <Profanity is never allowed. DELL-Admin>high tems low cpu usage laggs and everything find the solution that every can access easily

(edited)

1 Rookie

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3 Posts

July 19th, 2025 05:00

@DELL-Nat M​ Same issues is having to everyone so make the accessible for everyone easily 

 

1 Rookie

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1 Message

July 20th, 2025 17:45

@DELL-Nat M​ 

Hello i'm having the same issue with me laptop when i contact the support they told me i'm out off warranty and they can't help me and i would ne to pay, worst, as per EU law this is not a warranty issue.

From the bricked ssd to that, this laptop only gave me troubles...

1 Rookie

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1 Message

July 29th, 2025 13:44

@DELL-Nat M​ i want it fixed can u help with the same solution its causing network issue from 2 months now i tried rolling it back to the previous bios version but it says that pervious version isnt supported 

Community Manager

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3.2K Posts

July 29th, 2025 13:56

1 Rookie

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5 Posts

July 29th, 2025 13:59

@DELL-Nat M​ Your solution does not work. I asked support to give me corrective bios they said we don’t have it. And they said we may replace your system to fix it. 

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2 Posts

July 30th, 2025 09:43

@DELL-Nat M​ I've been trying to get a copy of the I-REV BIOS you mentioned by using the "Get Help Now" button but the agents have no idea what i'm talking about and are not being very helpful at all...   :(

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