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Unread 15-03-2014, 11:22
yash101 yash101 is offline
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Re: computer wont boot up

Boot from a USB key, loaded with Ubuntu. Once you boot in, connect to the network. Run the following commands:
sudo apt-get update
sudo apt-get install boot-repair-disk

run boot-repair-disk and you should have an option to install grub (or maybe even install windows boot mgr). Start with installing grub, and keep it if you like, otherwise once you boot into windows, use windows to reinstall the boot manager. That should do the trick, typically. What did you install that broke the system?