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I recently installed Ubuntu 14.04. I have an NVIDIA GeForce GT 540M (1GB) graphics card, and I noticed the open source Nouveau display driver was returning error code -16 on suspend, causing the computer to immediately rewake. So I switched over to the proprietary, tested NVIDIA v331.38 driver.

This fixed the suspend problem, but now the display will occassionally freeze and stop accepting input. The computer itself doesn't freeze -- audio keeps playing and touchpad input still goes through.

For some reason, when I switch over to the terminal using Ctrl+Alt+F1 and then switch back with Ctrl+Alt+F7, the display unfreezes and everything's fine until the next freeze.

It seems the freezing happens more often if I'm using my touchpad more actively. It's only brought on by a touchpad input as well. It won't freeze on its own.

Mack
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6 Answers6

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By any chance, are you using a touch pad? If so, changing the touch pad to work as a normal usb mouse will correct issues with a 'unresponsive screen.' Unfortunately, you will not be allowed to use the tap to click feature or scroll using the pad.

  • I do have a touchpad, but if it will disable scrolling, this is not a workable solution for me. – Mack Oct 28 '14 at 22:50
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This is a known bug. Fortunately, there is a fix now (but you'll need to compile packages yourself). See https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1220426.

Andrew Zabavnikov
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Check the additional drivers on control panel > Software & Updates. Choose the proprietary driver.

After, enter on terminal (Ctrl + Alt + T) and perform:

sudo depmod nouveau
sudo rmmod nouveau
sudo update-initramfs

Reboot the system.

d a i s y
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Marcos Silveira
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  • I am already using the propriety driver, and the nouveau module is not loaded. Additionally, I believe the depmod command requires an absolute path to the module to generate dependencies for. Altogether this answer doesn't really do anything for me. – Mack Oct 28 '14 at 23:34
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I had a very similar issue with my 14.04 install. It would freeze for seemingly no particular reason. I blamed various pieces of software before realising it was the graphics drivers.

This post I found really useful in starting me on my journey to actually having working nvidia drivers.

How do I install the Nvidia driver for a GeForce GT 630

Community
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Dane
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I resolved the problem by switching over to the legacy driver - version 304.117 from nvidia-304-updates.

Mack
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the following three BiOS settings ( 3 CMOS settings ) fixed it for my ASUS M2N MX SE PLUS motherboard with AMD Athlon® 64-bit 2-core CPU 4200+ ( and with NViDiA GeForce 6150SE graphics chip:)

❶ CPU clock = 200 MHz "manual" ( Not "Auto"; not "Limit" )

❷ 4 GB RAM clock = 200 MHz "manual" ( Not "Auto"; not "Limit" )

❸ PCi express clock = 100 MHz "manual" ( Not "Auto"; not "Limit" )

with above setting, AMD 64-bit 2-core CPU runs at 2.21 GHz speed ( else if the BiOS CMOS setting is

either "Auto"

or "Limit = 250 MHz" or "Limit = 275 MHz"

then it may be randomly varying the clock speeds during run-time i guess ( also known as Spread-Spectrum-Clocking...

YVRao
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