I installed Linux in half capacity of hard drive and on the other half I installed Windows 7. Since I reinstalled Windows, I can not access Linux anymore. What can I do?
just reinstall the GRUB Loader. you'll find it on Google.
It sounds like you've overwritten your master boot record as another poster mentioned, and you should be able to restore it. If you're concerned about data loss and would like to retrieve what you had on your Linux partition then a Live CD is perfect.
We've got a guide all about them on our guides page.
You can even use Linux to repair a Windows MBR if you ever end up in an opposite situation too.
Hello, another possibility is the following:
Because you already have both partitions created and the systems installed, just continue the tutorial from the parts you haven't done yet.
Here is another tutorial:
can you boot in the linux boot cd and get through the desktop?
Windows overwrote your MBR with its own boot loader. Please read this document by Ubuntu (even if the distribution you're using isn't Ubuntu).