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I've done a really dumb thing: I installed Ubuntu 8.04 on a desktop & told the installer it was an AMD64 machine. The install went fine & most things work. Some don't & that's 'cos it's actually an Intel P4 :{

Is there a simple way to change th architecture, other than a full clean install?

Oh, and in the meantime, I ran the updater & it's now running 9.04.

If get the 9.04 installer & run that on the existing system, will that sort things without losing any changes I've made/software I've installed & customised?

The main problem is that Skype will not install as it, unsurprisingly, complains about "wrong architecture". Also, I can't install some of the stuff needed to display videos in Firefox for the same reason.

Any ideas gratefully received.

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Last Post by icyshout
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if it installed and works then you do have a 64bit machine... it wouldnt work at all if you didnt... you cant really just switch... you'll need to reinstall the architecture you want.

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Thanks for the response icyshout.

if it installed and works then you do have a 64bit machine... it wouldnt work at all if you didnt...

In part that's true because even a P4 Celeron (which is what's actually in the machine) will run 64 bit, AFAIR. But something I tried to install the other day (and I can't now remember what) complained about "wrong architecture" and said the OS was AMD64. So I'm assuming that the Ubuntu installer correctly figured out that this is not an AMD64 machine & installed a kernel that would work but some libraries etc are the wrong ones - in other words, it's a hybrid :{

you cant really just switch... you'll need to reinstall the architecture you want.

I realise there's no easy way to switch :) What I was wondering is if it needs to be a clean install from scratch - which would be a major nuisance - or if installing "over the top" of the existing installation would work? Or is there another way I haven't thought of?

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you could do an over the top reinstall but you'd end up with weird problems that you could alleviate if you just did a fresh install.

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