Can't boot into 7 after xp installed (dual boot). If you want to realize dual boot Windows 7 and XP under XP, you just need first install Xp and then shrink your hard drive to recreate a primary partition, and then install your Windows 7 on it. But if you want to realize dual boot under Windows 7, it’s a little hard. First you need to prepare Windows 7 installation disc and Windows XP installation disc.

Under the Windows 7 OS, shrink your hard drive and create a primary partition for XP. Start your computer from the Windows XP installation disc and install XP on the new- created partition. When the installation complete, now you will find you could only boot from Windows XP, the option Windows 7 is not at the boot menu. Step. 4. Start your computer from Win 7 installation disc, select “Repair your Computer” at the main interface. Step. 5. In next page, select “Command Prompt”. In the pop- up window type the command below: one by onebcdedit /create .
Edit Windows 7 Boot Configuration Data. The boot configuration data store (BCD) contains boot configuration parameters and controls how the operating system is booted for Windows Vista and later versions. Unlike Boot. ini in XP, BCD stores data in a binary format and cannot be edited with a text editor. Visual BCD Editor is a free tool for Vista and Windows 7 operating systems, and provides a graphical user interface for command line utility BCDEdit. Once installed, it provides two main features: Startup Repair and Visual BCD Editor. The Startup Repair feature can be used to repair BCD, repair bootsector and MBR (Master Boot Record), and repair disk as well.

Key features: # Edit boot menu# Rename boot menu entries# Change boot menu timeout# Repair BCD# Backup BCD store# Import BCD store# Repair bootsector# Repair disk# Set default boot menu entry# Create new Windows XP loader# Create new Windows 7/Vista loader# Create new bootsector loader for Unix and Mac OS XIf you aren’t familiar with Boot Configuration Data, we recommend downloading the free BCDEdit Reference guide for Vista and Windows 7. Download Visual BCD.



Create a bootable Windows 8 USB drive. Naturally, to create a bootable USB drive, you'll have to insert one and it needs to be 4GB or larger. Install the Windows 7. Guide: How to Dual-Boot Windows 8 and Windows 7. The two flavors of Windows can co-exist peacefully on the same machine. Here’s how to bring them together.