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Ubuntu 12.10 not rebooting after hard shutdown. After I suspended my laptop, I tried to wake it up but it did not, when I pressed any of its keys. So I did a forced shutdown. Now I am not able to reboot it after pressing the power button. Only the numlock and capslock lights blink. Not able to access BIOS also. Tried to boot through LiveCD, but I think it is not at the top of the Boot device order. Also, my laptop heats up normally. When I remove/insert DVD in the DVD-drive, it makes a normal sound after inserting the CD, which means system is working. But there is no display on the screen. Please help.

System Details: hp pavilion dv6 2005ax AMD Processor, ATI RADEON graphics card, 4gb RAM (link below for complete specifications)

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That sounds like a hardware problem to me. Check this out: HP forums

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