Windows installation problem

[jda2631]

I'm trying to install Windows 7 from a USB drive. I set up the drive to be bootable and copied the iso onto it using the free tool from Microsoft. I go through the installation process just fine, it says it's completed and it restarts the computer. When it reboots it takes me straight back to the installation screen to restart the whole process. If when it reboots after the install completes I remove the usb drive or if I go to bios and move 'boot from USB' to the last option, so it's booting from the hdd I get an error message when it tries to boot: "BOOTMGR is missing. Press control alt delete to restart".

Any idea what is going on?

 

[Jonas Magnusson]

After the install is conpleted you should remove the USB. Also if you get the "press any key to boot from USB....." Command just ignore it after the first part of the installation is done.

 

[das_stig]

Check your bios boot device option and set the USB as a secondary bootable device the HDD first.

If you need to reinstall at a later date, your motherboard should have a function key option to hit during post screen to bring up boot menu.

 

[jda2631]

When I set the USB as second option in boot order, behind hdd, I don't get an option to boot from USB it just goes straight into booting the hdd. And vise versa if I put usb first, boots straight to it.

Edit: so I just set usb boot order first, formated the drive, ran installation. when it was done with installation and rebooted itself, before it rebooted I went into bios and changed boot order to hdd first so it would boot from there, not the USB, and it ran into the same error: "BOOTMGR is missing. Press control alt delete to restart"

 

[Jonas Magnusson]

When I set the USB as second option in boot order, behind hdd, I don't get an option to boot from USB it just goes straight into booting the hdd. And vise versa if I put usb first, boots straight to it.

Edit: so I just set usb boot order first, formated the drive, ran installation. when it was done with installation and rebooted itself, before it rebooted I went into bios and changed boot order to hdd first so it would boot from there, not the USB, and it ran into the same error: "BOOTMGR is missing. Press control alt delete to restart"

I don't know what manufacturer you have but it's usually spamming the F10 button at startup to select which device to boot from. If the usb option does not show up, change the computer to Legacy mode or CSM mode in BIOS setup to enable the usb option.

 

[jda2631]

It's a Samsung laptop. Not sure the brand of motherboard they used for this laptop.

Ok, f10 is the button to bring up the prompt of what to boot from. I set usb to 2nd behind the hdd. Started comp, hit f10 and selected boot from USB (2nd in priority list) went through install, it restarted and booted from hdd this time and got the same error message.

What is the bootmgr and why would it be missing?

 

[jda2631]

I tried deleting the partition from the Windows setup then installing Windows and now I can't even boot from the hdd to get to that error screen. I try to and nothing happens.

I downloaded a different Windows 7 iso in case the one I had was corrupted somehow, but same thing.

I'm starting to panic now because I really need to get this laptop back up and running. I've installed Windows dozens of times on various computers and never once had an issue.

 

[Jonas Magnusson]

Bootmanager is the partition that you boot with, it contains all installed bootloaders. If deleted, the bootmanger will be installed in the main partition if less than 100-350mb free space left.