After I update and reboot, I can not use WIFI now

Support Network
1

What version of Parrot are you running? (include version (e.g. 4.6), edition(e.g. Home//KDE/OVA, etc.), and architecture (currently we only support amd64)
Parrot-security-4.6_amd64

What method did you use to install Parrot? (Debian Standard / Debian GTK / parrot-experimental)
Debian Standard

Configured to multiboot with other systems? (yes / no)
Yes.

List your networking hardware (make, model, firmware version):
iwlwifi-9000-pu-b0-jf-b0-34.618819.0

After I use command:“sudo apt update” and “sudo apt upgrade” on Parrot OS, I found that my computer can not connect to WIFI.
I tried reinstalling the NIC driver, but this didn’t work. However I can use my WIFI after I enter the “(ACPI off)” model. What happend? How to fix it?

Thank you for your help!

2

Please use sudo apt full-upgrade instead of upgrade

3

Do you remember if your kernel was upgraded or not? That might be the issue.

4

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