Mac 50% boot - USB modem device won't start


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Hi

Cannot boot. Have tried all start up commands. Cache clear etc.

Does anyone know code to use in terminal to clear all drivers on Yosemite? I need to delete this driver as my iMac won't boot because of it.

Please any code help will be appreciated.

Thanks
 
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Cory Cooper

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Hello and welcome.

Sorry we didn't get back to you sooner.

There isn't a terminal command to clear all drivers. You can startup in Safe Mode by holding the Shift key down until you see the Apple logo during startup. It will take a bit longer to startup, and you will see the words Safe Mode in red in the upper right corner of the display when the Desktop appears. That bypasses the loading of most drivers/extensions. You should then be able to delete the offending driver. Make sure you have some form of current Time Machine or other backup before you proceed.

-Which version of OS X Yosemite?
-Which exact model Mac?
-Which brand/model USB modem driver is causing the issue?

C
 
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Thank you.

I tried safe mode. Doesn't go into it.

Yosemite.

Bought i Mac new from I store 6 months ago. Pretty sure latest on market.

Vodafone k4607z USB modem.
 
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Since you purchased new 6 months ago, it should be under warranty. I would take it back, if I were you.
 
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Cory Cooper

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Does the Mac startup normally if the Vodafone USB modem is not connected?

I would lean towards the Vodafone software version you are running not being compatible with Yosemite. Have you verified with Vodafone that you have a compatible version?

C
 

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