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I am trying to boot a live CD into a live session or to use the installer. However, once it starts, it shuts down again to no signal. I know the ISO is good as I have checked it and it also runs correctly on other computers.

Compaq sr 2014 2GB ram all rest stock.

I can get other distributions to boot from CD but I can't get Ubuntu or Mint to work.

What can I do to diagnose, and hopefully solve the problem?

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  • I have edited your question to make it easier to understand. Please clarify the meaning of Compaq sr 2014 2GB ram all rest stock.. I assume this is referring to the model of a computer but I can't tell if it is the computer with the problems or one of the computers that work.
    – dv3500ea
    Oct 19, 2010 at 16:09
  • Think it means the 2GB RAM is the result of an upgrade, and everything else in terms of hardware are still the same as they came from Compaq (stock hardware?). But I could be wrong.
    – Mussnoon
    Oct 23, 2010 at 13:18

2 Answers 2

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I would presume this is a graphics issue (from the "No signal" part).

When you boot the LiveCD press enter to show the options, press F4 and pick "Safe graphics mode".

You may also want to try F6 -> acpi=off (but try "safe graphics" first).

For more information on boot options, see here: https://help.ubuntu.com/community/BootOptions

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  • I have tried that but i do not see anything for safe graphics mode?? Oct 23, 2010 at 12:20
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hmmm, try to boot from USB Flash, then test your RAM and check you HDD for bad sectors (with MHDD).

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