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I am trying to install ubuntu for the first time. (long time windows user, first time linux!)
Version = 11.04 Hardware = Acer Travelmate 4050 I can boot from USB or CD and it loads fine I have installed and reinstalled several times from both USB and CD and it completes correctly However, when I boot from the HDD I get the above error I don't see any errors like "kernel panic" mentioned elsewhere It happens whether I boot with AC adapter in or out and also with adapter in but battery out Not sure how to get further info to help with diagnosis Suggestions?

No suggestions at all ? I tried enabling boot logging but still have a blank log file ...

Surely a machine that boots perfectly off the DVD and USB but wont boot off the HHD after a supposedly successful install is a good challenge for someone ... please ...

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up vote 3 down vote accepted

Here are a few things you can try - edit into your question with results if any either does or doesnt work.

  • Some more detail info about your laptop might give some advice on what to try next. Booting from Live CD/USB -

open a terminal and type





sudo lshw

Copy and paste the results into your question

  • Try turning off both power management and graphics driver loading during booting: Add to your grub boot line acpi=off nomodeset xforcevesa

i.e. use this AU question to guide you.

  • Enter your BIOS settings - have a look at the following bios settings and try toggling the values one at a time and see if you can boot (assuming these options exist) a. Legacy USB Support b. Disk Management/SATA/IDE Compatability Mode
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Hi fossfreedom Apologises for the long delay (just back from leave!) and thank you for the suggestions The boot line suggestions were the key ! Adding acpi=off nomodeset xforcevesa allowed it to boot from the HDD. I then got a message saying that there were updates (lots !) available, so I let them all run and when it rebooted it loaded just fine ! It even throws up a message telling me that the battery is stuffed (which it is!) so I guess that means power management is working too. So thanks again, this problem is FIXED! – Gordon Jul 25 '11 at 13:31

appending acpi=off nomodeset xforcevesa worked for me (I have also an acer - TM4051 that halts on boot from HD)

People of non en-us keyboard-layout cultures need to know the en-us keyboard layout to do this.

The equal sign is top rightmost, the key right left before backspace:

en-us keyboard layout

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Append acpi=off nomodeset xforcevesa where? – Cerin Jun 25 at 20:48

I faced the same issue today. For the Travelmate 4050 a BIOS update from 1.6.0 to 1.7.0 resolved the issue as well, the setting acpi=off is not needed any more (this is very nice, because acpi=off prevents the laptop from shutting down properly).

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