Re: Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-24 Thread Marcelo Laia
10,916 V looks a bit odd to me. After your comments, I looking forward about the battery voltage and I found this: https://www.linkedin.com/pulse/how-choose-laptop-battery-king-sener/ "Voltage is closely related to the number of cells in the battery - typically a 10.8V battery has 6 cells and

Re: Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-24 Thread hw
Is it possible that the USB ports do not supply power once the laptop is running on battery? Does the NumLock LED of the keyboard go out? On Thu, 2024-02-22 at 13:49 -0300, Marcelo Laia wrote: > Dear Debian Users, > > Thank you all for the invaluable assistance provided. Unfortunately, the >

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-22 Thread David Wright
On Thu 22 Feb 2024 at 13:49:54 (-0300), Marcelo Laia wrote: > Inspiron 5547 01 OCT. 2014 > > Some hardware details: > > - BIOS: > - Vendor: Dell Inc. > - Version: A13 > - Date: 05/27/2019 > - CPU: > - Product: Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz > - Memory: > - Size: 16GB [ … ]

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-22 Thread Charles Curley
On Thu, 22 Feb 2024 13:49:54 -0300 Marcelo Laia wrote: > Thank you all for the invaluable assistance provided. Unfortunately, > the issue has resurfaced today. I don't believe it's related to the > age of the hardware, although my Inspiron 5547-A20 is from 2014, as > indicated below: A stab in

Re: Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-22 Thread Marcelo Laia
Dear Debian Users, Thank you all for the invaluable assistance provided. Unfortunately, the issue has resurfaced today. I don't believe it's related to the age of the hardware, although my Inspiron 5547-A20 is from 2014, as indicated below: Inspiron 5547 01 OCT. 2014 Some hardware details:

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-15 Thread Max Nikulin
On 15/02/2024 12:39, David Wright wrote: I would go further than tomas, and suggest that the battery might be suspect, or the charging circuit of course. (None of my three laptops works without AC power.) How old is it? Battery health may be estimated from output of upower --dump by

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-14 Thread David Wright
On Wed 14 Feb 2024 at 20:09:09 (-0300), Marcelo Laia wrote: > Unfortunately, the issue has worsened. Today, I observed that upon unplugging > the power cable, within one or two seconds, the screen dims (brightness is > set to zero), and both the external mouse and keyboard (USB) stop working. >

Re: Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-02-14 Thread Marcelo Laia
Dear Debian community, Thank you for your insights. Unfortunately, the issue has worsened. Today, I observed that upon unplugging the power cable, within one or two seconds, the screen dims (brightness is set to zero), and both the external mouse and keyboard (USB) stop working. Even if I try

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-01-25 Thread Max Nikulin
On 24/01/2024 02:13, Marcelo Laia wrote: After recently upgrade, my external keyboard and external mouse (both USB) stopped working after after the screen brightness automatically decreased. This has occurred a few times, and I can only solve it by rebooting the laptop. Were your

Re: Issue with USB External Keyboard, External Mouse, and Screen Brightness on Dell Laptop

2024-01-23 Thread tomas
On Tue, Jan 23, 2024 at 04:13:23PM -0300, Marcelo Laia wrote: > Dear Debian community, > > I am facing an issue with my Dell laptop, running Debian. > > After recently upgrade, my external keyboard and external mouse (both USB) > stopped working after after the screen brightness automatically