[ubuntu] How To Reactivate a Blacklisted Module?

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http://ubuntuforums.org – Hi all, I have just upgraded my Ubuntu installation to 13.10 and it is working great. But yesterday I make a big mistake. In an attempt to uninstall dialer for my USB mobile broadband (Huawei EC176-2) I blacklisted module "option". I did that because when I installed dialer software, it show this error. Code: Fatal: module option is in use. What i didn't know of is that module "option" is needed to detect a USB modem. So, my modem is not detected now. I blacklisted the module by making file /etc/modprobe.d/blacklist (not /etc/modprobe.d/blacklist.conf) and add this (Hardware)