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I inserted Boot CD into drive and choose "try", but monitor appears many horizontal lines passing through. My laptop is WolfNFox, win XP SP1. Can you help me?

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Probably it is a graphics card issue, retry it once more ,If it wont work remove the graphics card and retry .it – Tachyons Apr 19 '12 at 8:26
Cam you post the hardware specs of your machine. – mikewhatever Apr 19 '12 at 9:07
there can also be a problem with the cd. try a live usb – Ashu Apr 19 '12 at 10:29
Or you just might just haven't waited enough. It takes a while to load the GUI and all that stuff. I guess the maximum should be around 2min from cd and 40sec from USB. – jPlatte Apr 19 '12 at 18:46
Ohh, initially, my boot CD is OK, I can choose the language and then press try Ubuntu without installing. But after that, there are only lines passing through. I did wait for around 5 minutes but the Ubuntu desktop did not appear on the screen. I already checked the boot CD and no error was found. Please help me. – Dzung Apr 20 '12 at 2:54

You can select "nomodeset" parameter from boot options and try to install.

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