How to install windows 7 on dell inspiron n4050?

The solution is very simple, following the step given below with full confidence

1. Change booting path form bios to the drive containing windows installation disk
2. No other change is required in bios
3. during installation delete the 100 MB system reserved partition and recreate it
4. Now follow the normal installation process.

The Point # 3 is the main point because this partition contain some information related to previous installation which create problem during installation

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