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@MSGID: <10k8fbf$2vfs$1@dont-email.me> 3c8a99ca
@REPLY: <sm0jyxktnw0.fsf@lakka.kapsi.fi> 1098d372
@PID: PyGate 1.5.2
@TID: PyGate/Linux 1.5.2
@CHRS: ASCII 1
@TZUTC: 1100
@REPLYADDR bp@www.zefox.net
@REPLYTO 3:633/10 UUCP
Anssi Saari <
anssi.saari@usenet.mail.kapsi.fi> wrote:
>
bp@www.zefox.net writes:
>
>> The wifi dongle works but not well. When the wireless connection gets
>> dodgy the entire USB system, including keyboard and trackpad, slow to
>> the point that the machine can`t be controlled and must be power-cycled.
>
> Could that be more of a power issue? Dongle draws more power and your
> PSU can`t keep up? I remember the early Pis had some questionable design
> WRT power, basically you`d want your PSU to be able to provide something
> like 5.2 volts.
From what I gather the 5.2 volt requirement applies to Pi5 with
internal WiFi. This is a Pi2B with no internal WiFi.
The dongle is on a powered hub (part of a Dell monitor with a built-in
hub). The hub is putting out 5.12 volts with the WiFi dongle active.
The WiFi dongle is on a short USB-A extension cable to allow positioning
for best reception, which varies wildly over a few inches.
There`s a fairly clear correlation between WiFi signal quality declining
and the keyboar/trackpad becoming unresponsive. It tends to happen in the
evening and I`m guessing it`s interference with neighbor`s access points,
which are abundant.
It does appear that the firmware-realtek package can be upgraded, but trying
sudo apt upgrade realtek-firmware
reported that upgrade does not take arguments.
It appears that I need to use
sudo apt install --only-upgrade firmware-realtek
but I haven`t tried it yet. Can anybody confirm this is the correct command?
I`d rather not alter anything else right now.
Thanks for writing!
bob prohaska
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