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I have installed Ubuntu 14.04 LTS in Lenovo Essential G510 laptop after erasing Windows 8 which came pre-installed(after trying Windows 8 and Ubuntu dual boot with hanging problem persisting). The system hangs in below two situations: 1. Watching videos in youtube in fullscreeen mode. 2. Copying files from the shared local area network.

Laptop specification : Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz, 4 GB RAM. Network controller- Qualcomm Atheros AR9485 wireless network adapter(rev 01) Ethernet controller- Qualcomm Atheros QCA8172 Fast Ethernet(rev 10)(subsystem Lenovo device 3801) VGA Compatible controller- Intel Corp 4th gen integrated graphics controller(rev 06).

I switched to ubuntu with lot of expectations but this glitch is bothering me. Please tell the fix..

Shiva Prasad
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  • Are these actions work as expected under Windows 8? I would suggest you to run memtest for your RAM, check this thread for instructions: [Memtest with Ubuntu 12.04 live CD](http://askubuntu.com/questions/187573/memtest-with-ubuntu-12-04-live-cd) – P.-H. Lin Jan 06 '15 at 15:45
  • Thank you..Yes, it was working very good with Windows 8. I dont have dual boot. Now I have erased Windows and installed Ubuntu 14.04 LTS... – Shiva Prasad Jan 07 '15 at 08:31

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We believe it might be due to he missing of nvidia drive. So you can use the below command and install,

sudo apt-get install nvidia-current

After doing this please check whether the issue goes off.

BDRSuite
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  • For the first run of the command system hanged in the half way during the process but the second time successfully nvidia-current was installed. So the 1st problem I asked is solved. – Shiva Prasad Jan 07 '15 at 17:51
  • Now youtube videos stream without problem in full screen mode. But it still hangs while copying files from shared local area network..any solution? – Shiva Prasad Jan 07 '15 at 17:59