Windows 10: Boot to CD Drive

Since I did clean install of Win 10 I find it will not allow me to boot to internal cd drive or USB drive. I know this is an attempt to secure the OS or lock you out of competing OS like linux or both but I can find no way around this. My bios has not been updated to the secure boot version on purpose but the OS still intercepts any attemp to boot to any device other than drive with OS on it.

My boot sequence is CD first but it is ignored on boot. Also if I go to boot device selection and select CD drive it still boots to win 10. I have tried win 10 setup but there is no option that i have found that allows me to do what I want with my own machine. I am a developer and routinely boot to cd and this behavior is unacceptable. I would like to use win 10 but have gone back to Win 7 until I can find out how to defeat this.

What is the secret?

:)

 

Windows 10 won't connect to the internet

This is not in the Bios. I couldn't find the Bios. This is under F12 which has titles of Main, Advanced, Boot, Security, and Exit. Under Boot it says "Set Boot Priority"

1st Boot - [Hard Disk: ST31000.....]

2nd Boot - [USB Hard Disk]

3rd Boot - [CD/DVD: HL-DT-ST D....]

4th Boot - [USB CD/DVD]

5th Boot - [USB Floppy}

6th Boot - [Network]

Hard Disk Drives

CD/DVD ROM Drives

You said to move the CD/DVD drive to 1st boot? Which one and how do I move them?

 

win 10 usb install

Check out the following:

How to Boot From a CD or USB Drive on Any PC - Lifehacker

 

Assuming the CD/DVD or USB Flash Drive is bootable you are using ? Otherwise it will not occur.Bad Disc or USB flash drive another possibility why

 

The secret is my friend do not ever allow fast start up in your bios or the windows 10 OS.

 

Windows 10 does not change the bios in any way whatsoever nor does it in any way intercept what the bios uses to boot the computer from. To boot from the CD or USB, I'll bet you have to change the bios boot method to legacy or CSM.

 

See if this clip helps:


Rich

 

Fast startup is not in BIOS, part of the Power options,hibernate. You mean Fast Boot https://www.tenforums.com/tutorials/2...ws-8-10-a.html

 

Well from my experience with windows 10 on laptops it does indeed change the way you can enter the bios, so if you have fast boot enabled you can be locked out if you don't know what you are doing.

This is a fact 8.1 is no better certain manufacturers have made this the problem that it is.

It is complete madness not to want to see a 2 second screen to get you into your bios.

 

Saying this might have something to do with secure boot, if thread starter has it enabled, what i thought seeing mentions of CSM and Legacy.Thought i read might cause issue, secure boot.

 

Well kidda I think you are talking about a laptop and not a Desktop, your specks say Desctop

 

Who is ??

 

Computer Type PC/Desktop
System Manufacturer/Model Number Lenovo
OS Windows 10

Is that pretty much what you wanted jds

 

I did ? I was quoting Navy.

 

It really doesn't matter, desktop or laptop. What we are talking about is a delay allowed by the bios for the user to press a key to either enter bios setup or choose the boot device. That is a function 100% of the bios and cannot be changed by Windows for two reasons:

1. Whatever delay function setting the bios uses to either insert a delay, not insert a delay, or determine the length of the delay is stored in EPROM. The address where the value is stored in EPROM and what that value represents can be anywhere and anything in EPROM. For Windows to change that it would have to know what address the setting is stored at and what the value represents and that is simply impossible. Write the wrong value to the wrong address and the entire bios can become corrupted, more often than not requiring EPROM chip replacement.

2. The delay that bios inserts to allow a key to be pressed for setup or boot device choice occurs before any boot files are loaded from any source. Thus that delay cannot be affected by Windows.

Now - there can be a delay built into the boot loader to allow the boot loader to hand off booting to a different source and that is a function of the operating system and Windows can certainly interfere with that. But it is impossible for the operating system to interfere with bios created delays.