Boot from cd windows 7 command prompt

Error loading operating system. The boot sector is a small section at the beginning of a hard drive. It's created when you format the hard drive. It also hosts the Master Boot Record MBR , which contains the disk signature, partition table for the disk, and a small bit of code called the master boot code.

Then it will scan the partition table, determine the active partition, load a copy of the boot sector into the PC's RAM, and hand off the startup process. If you backup MBR in advance, you can use it to restore your computer and make it work as normal.

If not, you can see the next part and learn to repair boot with command prompt in Windows 7. If your boot sector or MBR runs into problems, you cannot start Windows normally.

That's to say, you need the Windows installation disc to boot your computer. If you don't have, you can create system repair disc or recovery disk on a working computer. Then, let's start with detailed steps below. Step 1. Create Windows 7 installation media on a working computer. Step 3. Start your computer and press the corresponding key to go to BIOS. Step 4. Set boot priority to your drive in the Boot option. Step 5. Save changes and restart your computer. After that, it will start to load files, wait patiently.

Step 6. Follow these steps after install completes. Type the path where the boot image file is placed by you in the quotes. This file will make the DVD bootable. Do not use a space between b and path! The place you save the ISO file. To help you understand:. Also, you could make bootable media with Diskpart easily. Insert the USB drive to your computer first. You can reboot to see if you could boot from the bootable drive successfully. You may need to change boot order in BIOS as well.

Or, you may not familiar with the command line bootable media creation operations. To provide extra layer of protection for your Windows, another easier way to create bootable drive for Windows 7 is recommended. Not an IT pro? Resources for IT Professionals. Sign in. United States English. Ask a question. Quick access. Search related threads. With a large number of commands, you can execute many tasks. For example, it will fail to clear a read-only disk.

You can download the Demo version and refer to the following content to see how to use it. With AOMEI Partition Assistant, you can not only create a partition on unallocated space but also directly create a partition from another existing partition. Step 1. Install and open this software, right-click on a partition with enough free space or unallocated space.

Step 2. Step 3. Obviously, it is much easier than the Command Prompt. Following the instructions, you can create a partition within a few clicks. In the same way, you can use it to format a partition, extend a partition, or copy a partition or disk. Many users want to format a partition to a FAT32 file system, which has great compatibility. It works with Windows OS and Mac systems, and many other electronic devices. Here are the steps. In the main console and you can preview the operation outcome.

The USB flash drive needs to be formatted.