Brightness Problem

[Sebastiann1]

Alright so I've got a problem with my Graphics Card, It's an Intel Iris Xe graphics. So, The thing is my brightness doesn't work at all. I mean The bar where I can adjust my brightness. Well that brightness bar is grey and it's locked. I have an Acer laptop, ASPIRE-A315-59. Can anyone help me? Also I have windows 11 Pro if it helps by any chance.

[RandyT_Intel]

Hi @Sebastiann1 , 

Thank you for posting here in our community. To effectively diagnose and address the issue you're experiencing, I kindly ask you to provide detailed responses to the following questions. This information will help us isolate the problem and determine the most appropriate course of action.  

• Please provide the SSU log report and share it here so I can review your system's configuration. 
• Have you recently updated your graphics driver or Windows version?
• Can you confirm the current version of your Intel graphics driver?
• Does the brightness control work in Safe Mode or after a clean boot?
• Are you using an external monitor or just the built-in laptop screen?
• What power plan is currently active (Balanced, High Performance, etc.)?
• Have you tried adjusting brightness using keyboard shortcuts (e.g., Fn + brightness keys)?
• Is adaptive brightness enabled in your power settings?
• In Device Manager, is the display adapter listed correctly without any warning icons?
• Did this issue start after a specific event (e.g., update, crash, hardware change)?
• Have you checked Acer’s support site for any OEM-specific drivers or BIOS updates?

After answering these questions, try following the steps outlined in the article and let me know if you notice any changes.

Unable to Update Display Brightness Using the Brightness Slider on...

Missing Brightness Slider in Windows

I look forward to your response and am committed to resolving your issue promptly. 

Regards,  

Randy T.  

Intel Customer Support Technician  

[Sebastiann1]

Hey Randy! Thanks for helping me with my issue! Here are my system specs: Intel Core I5 1235U CPU, Intel Iris Xe Graphics GPU, 16 GB RAM.

• Have you recently updated your graphics driver or Windows version?

           I've updated my GPU's drivers recently but not My Windows one.

• Can you confirm the current version of your Intel graphics driver?

           My current version of my Intel iris xe Graphics is 31.0.101.4032

• Does the brightness control work in Safe Mode or after a clean boot?

           No, It doesn't Work.

• Are you using an external monitor or just the built-in laptop screen?
•  I'm Using an External Monitor.
•  
• What power plan is currently active (Balanced, High Performance, etc.)?
• My currently active power plan is Balanced. I don't Have "High Performance" Etc.. Only Balanced.
•  
• Have you tried adjusting brightness using keyboard shortcuts (e.g., Fn + brightness keys)?
• Yes, I've tried, It works, but My brightness keeps lowering  after 10 seconds, even if I don't want to.
•  
• Is adaptive brightness enabled in your power settings?
• No. My adaptive brightness is not enabled in my power settings. I can't even find it.
•  
• In Device Manager, is the display adapter listed correctly without any warning icons?
• Yes. The Display Adapter is listed correcly without any warning icons.
•  
• Did this issue start after a specific event (e.g., update, crash, hardware change)?
• No, I don't think so. This started randomly.
•  
• Have you checked Acer’s support site for any OEM-specific drivers or BIOS updates?
• No, I haven't.

[Sebastiann1]

---

Hi,

 Here are the answers to your questions:

• Have you recently updated your graphics driver or Windows version?
  I haven’t updated Windows recently.

• Can you confirm the current version of your Intel graphics driver?
  Yes, it is 31.0.101.4032.

• Does the brightness control work in Safe Mode or after a clean boot?
  No, the brightness doesn’t work in either Safe Mode or after a clean boot.

• Are you using an external monitor or just the built-in laptop screen?
  I’m using an external monitor.

• What power plan is currently active?
  It's Balanced. I don't have other power plans.

• Have you tried adjusting brightness using keyboard shortcuts (e.g., Fn + brightness keys)?
  Yes, the Fn + brightness keys do work, but my brightness keeps lowering automatically even if I don’t want it to.

• Is adaptive brightness enabled in your power settings?
  I can’t find this setting on my device.

• In Device Manager, is the display adapter listed correctly without any warning icons?
  Yes, no warning icons.

• Did this issue start after a specific event (e.g., update, crash, hardware change)?
  No, it happened randomly.

• Have you checked Acer’s support site for any OEM-specific drivers or BIOS updates?
  Not yet, I haven’t looked on their website.

[Sebastiann1]

Here are the answers to your questions:

• Have you recently updated your graphics driver or Windows version?
  I haven’t updated Windows recently.

• Can you confirm the current version of your Intel graphics driver?
  Yes, it is 31.0.101.4032.

• Does the brightness control work in Safe Mode or after a clean boot?
  No, the brightness doesn’t work in either Safe Mode or after a clean boot.

• Are you using an external monitor or just the built-in laptop screen?
  I’m using an external monitor.

• What power plan is currently active?
  (Balanced / High Performance / Power Saver) → [Fill this in before posting]

• Have you tried adjusting brightness using keyboard shortcuts (e.g., Fn + brightness keys)?
  Yes, the Fn + brightness keys do work, but my brightness keeps lowering automatically even if I don’t want it to.

• Is adaptive brightness enabled in your power settings?
  I can’t find this setting on my device.

• In Device Manager, is the display adapter listed correctly without any warning icons?
  Yes, no warning icons.

• Did this issue start after a specific event (e.g., update, crash, hardware change)?
  No, it happened randomly.

• Have you checked Acer’s support site for any OEM-specific drivers or BIOS updates?
  Not yet, I haven’t looked on their website.

Thanks in advance for your help!

[Sebastiann1]

---

Hi,

 Here are the answers to your questions:

• Have you recently updated your graphics driver or Windows version?
  I haven’t updated Windows recently.

• Can you confirm the current version of your Intel graphics driver?
  Yes, it is 31.0.101.4032.

• Does the brightness control work in Safe Mode or after a clean boot?
  No, the brightness doesn’t work in either Safe Mode or after a clean boot.

• Are you using an external monitor or just the built-in laptop screen?
  I’m using an external monitor.

• What power plan is currently active?
  It's Balanced. I don't have other power plans.

• Have you tried adjusting brightness using keyboard shortcuts (e.g., Fn + brightness keys)?
  Yes, the Fn + brightness keys do work, but my brightness keeps lowering automatically even if I don’t want it to.

• Is adaptive brightness enabled in your power settings?
  I can’t find this setting on my device.

• In Device Manager, is the display adapter listed correctly without any warning icons?
  Yes, no warning icons.

• Did this issue start after a specific event (e.g., update, crash, hardware change)?
  No, it happened randomly.

• Have you checked Acer’s support site for any OEM-specific drivers or BIOS updates?
  Not yet, I haven’t looked on their website.

[RandyT_Intel]

Hi @Sebastiann1 , 

Just wanted to follow up on my previous response to your inquiry. Have you had a chance to review it? 

I'd appreciate your feedback so I can determine the best next steps to assist you further. 

Thank you! 

Best regards, 

Randy T. 

Intel Customer Support Technician 

[RandyT_Intel]

Hi @Sebastiann1 , 

Since I haven't heard from you, I will proceed with closing this case. Please note that it will no longer be monitored. However, you may submit a new ticket if you need further assistance in the future.

Thank you! 

Best regards, 

Randy T. 

Intel Customer Support Technician