Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I recently bought HCL ME with Windows.

I formatted and installed Ubuntu netbook version. I am getting wifi is not connection it looks disabled in network place.

My network controller is Realtek semiconductor co., ltd rtl8191sevb rev 10

I am unable to get this driver to install can anyone help me?

share|improve this question

migrated from Jan 24 '11 at 18:07

This question came from our site for professional and enthusiast programmers.

up vote 1 down vote accepted

There is a Ubuntu forum post here wireless disconnects periodically (RTL8191SEvB Wireless LAN Controller (rev 10)) which deals with your problem however I would try this first

rmmod r8192se_pci


modprobe r8192se_pci hwwep=0

if this doesn't work then reboot and everything will be back to normal if it works then you can add it as a permanent fix to /etc/modprobe.d/realtek.conf

and add this line

options r8192se_pci hwwep=0 

Hope this helps

share|improve this answer
Thank you it works! :) – Raj Jan 26 '11 at 6:26
No problem found the fix on the Frozentux site by Oskar Andreasson here is a link to the blog post I would make a bookmark or save the details on U1 as you may have to do the same thing on 11.04 if you upgrade. I have a few things I always have to do after an… – Allan Jan 26 '11 at 8:40 (post by rtomakov)

This thread helped me to get it working in by HCL ME.

share|improve this answer
Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Peachy Nov 6 '12 at 1:50

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.