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I'm not able to install Ubuntu 12.04 32-bit via my USB flash drive. I can run Ubuntu from the USB drive, but I can't install it. Every time I tried to install Ubuntu from USB after this step: "Install Ubuntu alongside Windows" it reboots.

And one more thing... I tried to install Ubuntu via Windows installer, but in that I can't download the additional wifi driver which gives me a worse headache in that situation... I need to work in Ubuntu for my educational purpose. Please help me. I am in urgent need of using a software which is Linux based.

Do I need to install any softwares and drivers every time if I run Ubuntu from USB?

Laptop model: Dell Inspiron 1440
CPU: Intel Core 2 Duo
Graphics card: ATI 512MB
Hard drive: 320GB

Operating system: Windows 7 Ultimate 64-bit

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processor- intel core 2 duo.....hard disk 320gb....graphics ATI-512MB.....RAM-4GB....Mine is Dell inspiron 1440 laptop.... –  REJISH Jul 25 '13 at 15:32
The answers to this question: Can't install on Dell Inspiron 15R have some useful information in them. –  karel Jul 25 '13 at 15:57
thank you i will try that...but can you please tell me..if i run ubuntu from usb without installing it....do i need to install all my additional softwares everytime....???? including the wifi additional driver,....??? is that a good way to use ubuntu without installing....in hard disk...???? and did u suggest this way for mee....??? –  REJISH Jul 25 '13 at 16:07
I made a live USB drive like you are asking about with lots of installed software. I used a 16GB flash drive and installed Fedora as a regular install on the entire USB drive which I made into an encrypted volume. –  karel Jul 25 '13 at 16:21
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