Random hangs on new system (12.04)
I have built a new system: P8Z77-I motherboard, Intel i5 3570K with Intel HD 4000 Graphics CPU, 16Gb RAM. Ubuntu 12.04 was installed without internet connection, now it's connected but I haven't run updates.
I installed ubuntu just fine but once in a while it hangs. Nothing will make it turn off unless I disconnect PSU. This is not something I like to do therefore I was wondering if someone might have any idea of what the problem is. Things that occurred to me: intel driver doesn't support 4000HD graphics, kernel doesn't support cpu or motherboard, or an hardware problem like PSU doesn't provide enough wattage for motherboard.
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