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So it seems it was the connection to the wireless card. I unplugged and replugged the antenna cables, as shown in this video, and it works again.

Thanks again for your help!

Thanks for your reply!

I do have UEFI bio, so I will not try to reset it. But I will check the connection and, if this doesn't help, get a new card...

Thanks for your quick reply! Here is the wireless-info.txt file:

251160

Hi,

I have Ubuntu and Windows in double boot, and the wifi stopped working on both. On Ubuntu, I get the following:

My understanding is that I should see another device for wifi in addition to...

@oldfred

I am not sure what I did differently, but after going again through a repair cycle following these instructions, the UEFI entries remain in place in the boot loader.

Also, for what is...

@oldfred

Sorry for not getting back earlier.

I am puzzled too, but have made some little progress. Here is what I did:

Booted from a Windows recovery usb stick.
In the command prompt,...

@oldfred

Thanks for the links! I had actually gone through some of them and just checked the other ones, trying what made the most sense. But so far, I am stuck.

I guess one option is to wait...

@oldfred

I have actually set up my BIOS (through the InsydeH2O Setup Utility) to UEFI Secure Boot and the only two choices I see when hitting F12 at startup are "UEFI Onboard LAN IPv4" and "UEFI...

@ oldfred

Thank you very much for your suggestion.

As you suggested, I removed "boot" flag from any partition except sda1, using gparted. This did not fix the problem but now, I have an...

Hi,

My computer is an Inspiron 15 Notebook (Inspiron 3521) 64-bit with Windows 8 and Ubuntu 12.10 installed in dual boot. Until today, everything was working fine. Since today, I can't boot...

The bug has been reported by several people in launchpad. As a way around, it is possible to convert (and flatten) the pdf in ps using pdf2ps, then converting it back to pdf using ps2pdf. I hope it...

Hello,
I am configuring Open Atrium (Drupal) on Ubuntu server and need the ereg php extension to be installed. However, I couldn't find any information about how to install (and where to download...

I just realized my previous question came from misunderstanding how to install the guest additions. They have to be installed inside the guest using the iso guest addition image mounted in...

Thank you very much for this tutorial. Everything works perfectly following it, except that I need to mount the grub.iso image in VirtualBox, and therefore don't have room to mount the guest...