computer crashed everything was working fine, then when windows and dell updated, compter restarted and no internet, then i started downloading all FW packs one by one, with verizon pack it will say disconnected, then i found US cellular pack got it to connect, but i had to install the pack everyti…

Do you still have the modem port in device manager? what is the return of the followings? ati3 at!impref? aT!gstatus? AT+CGDCONT? AT!USBCOMP? AT!USBCOMP=? AT+cfun? AT+cpin? AT!pcinfo?

hi, i went to device manager and copied this Device USB\VID_413C&PID_81B6&MI_0c\6&12a50652&0&000c was configured. Driver Name: netwmbclass.inf Class Guid: {4d36e972-e325-11ce-bfc1-08002be10318} Driver Date: 05/21/2024 Driver Version: 10.0.22621.3672 Driver Provider: Microsoft Driver Section: …

[image] jyijyi: ati3 at!impref? aT!gstatus? AT+CGDCONT? AT!USBCOMP? AT!USBCOMP=? AT+cfun? AT+cpin? AT!pcinfo? [image]

Maybe i can uninstall and reinstall the drivers and try again?

I don’t know, you need to try whatever method to make the driver installed

Bump! any ideas, use this computer for business

you can see here for the dw58 driver: [image] MC7430 firmware update MC/EM Series I saw dell provided dw5819 driver https://www.dell.com/support/home/zh-hk/drivers/driversdetails?driverid=49g13

i appreciate that, tried this also no luck, dw 5819 mine is dw 5811…crazy, it was just working and then not. i dont remember having to do this much trouible shooting in the past. wonder what im missing

when i do the verizon FW carrier pack it shows disconnected. where i was using US cellular just last night and it worked, now i flash US cellular and it says “no service”

Em7455 WAS working but now it stopped

jyijyi June 21, 2024, 2:30am 9

you can see here for the dw58 driver:

Topic		Replies	Views
MC7430: Unable to activate data connection after driver update MC/EM Series	12	131	November 19, 2024
Bricked MC7455 Module in a Dell DW5818 WWAN card after trying to update the firmware! MC/EM Series	8	1137	March 30, 2023
EM7455 disconnected, no network connection IoT Modules	14	574	January 31, 2024
EM7430 shows 'No Service' and cannot install updates. Requesting assistance. MC/EM Series	53	428	December 31, 2025
DW5811e / EM7455 Problem with Windows 11 - failure "insert sim" MC/EM Series	16	5075	January 13, 2024

Em7455 WAS working but now it stopped

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