I am running Ubuntu 14.04-64bit. I have a HP Pavilion dv7 laptop with a nVidia GEForce GT 650M video card. I am not using the nVidia drivers that are in "synaptic". This morning when I booted up, after I logged in, the desktop screen came up, but there was no "task bar" (I think that is what you call the bar at the top of the screen) & any program that was launched via the "Startup Applications" has no bar with the "exit,minimize, whole scree" buttons on it. I am able to kill any program using a terminal. The graphics is as it should be, no distortion. Now I rebooted, and this time, after the login screen, I just get a "black" screen. I was unable to get anything to respond, so I had to hit the power button in order to exit and try another reboot. Eventually, it all worked as it was suppose to, and I am now able to open any program and send this question to ya'll. I am not sure where to begin to figure out what has happened, and I have not tried another reboot to see if the problem is still there or gone. If I need to give you more info, please let me know what (an maybe how to get it) and I will respond ASAP. Thanks for your time looking at this, and I welcome any help you may be able to give.
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Well, a little advice, a little help:
Unresponsive system - here's a set of what you can try before resorting to the power button. One of the 'hidden' gems in here is holding the PrntScr and slowly typing "reisub"
I have a dv7 also, and the heat generated by the machine is terrible. I've had to reflow the graphics chip down onto the motherboard twice, and when 14.04 came out, Ubunti could not recognize the graphics chip. I never did get the proprietary drivers to work with that machine.
For me on my Pavilion, the graphics solution is a launchapd PPA by Oibaf - these are open source drivers, a bit more advanced(?) than those packaged by canonical, and perhaps less stable, but they work in my HP.
Charles Green
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