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Summary
Discover the straightforward process for booting directly from a CD in Windows 10, whether you're aiming to repair your system or perform a fresh reinstallation. Furthermore, leverage the capabilities of Renee PassNow to seamlessly transfer or retrieve your crucial data.



how to boot from CD in Windows 10

I. How to boot Windows 10 computer from CD/DVD?

If we want to boot a Windows 10 computer from a CD/DVD, we need to enter the BIOS to change the boot order. The BIOS is the firmware used to provide runtime services for the operating system and programs, and to perform hardware initialization during the boot process. Please see the specific operation method below.

1. Enter BIOS via shortcut key to set boot from CD/DVD

Step 1: Put the bootable CD/DVD into the computer’s optical drive, and then press the power button to turn on the computer. When the computer brand logo appears, press the specific button continuously and quickly to enter the BIOS interface. (Due to different brands of computers or motherboards, it may be F2, F8, F10, F12, ESC or Del keys). As shown in the figure below, you can press the DEL button to run the setup (that is, enter the BIOS setup), or press the F11 button to run the boot menu. Here choose to press (DEL) continuously to enter BIOS setup.
BIOS shortcut keys
Step 2: After entering the BIOS settings, you can set the boot CD/DVD as the first in the boot sequence in Boot Priority, then save the settings and restart the computer. You can start your computer from the CD/DVD.
Modify BIOS boot preferences
NOTE: If CD/DVD does not appear in the boot menu, try changing the boot mode. For example, if the original boot mode is UEFI, change it to Legacy BIOS or Legacy BIOS+UEFI mode. Taking the MSI motherboard as an example, we can change (UEFI) to (LEGACY+UEFI) in the (Boot mode select) option, and then try to change the boot sequence.
change boot mode
The method of entering the BIOS through the shortcut key may fail due to some circumstances, such as the speed of continuously clicking the BIOS shortcut key is too slow, or the timing of clicking the shortcut key is not well grasped. If you keep failing with this method, you can try the method below.

2. Enter BIOS through system settings to set boot from CD/DVD

Step 1: Start the Windows computer, put the CD/DVD into the optical drive, then click the (Start) menu, select (Settings) to enter the Windows settings page, click (Update and Security).
windows updates and security
Step 2: Select the (Recovery) option on the left, and click the (Restart Now) button under the (Advanced Startup) column on the right.
reset this pc
Step 3: After restarting, click (Troubleshooting)>(Advanced Options)>(UEFI Firmware Settings).
UEFI firmware settings
Step 4: Then click the (restart) button to enter the UEFI BIOS interface.
Step 5: After entering the BIOS settings, you can set the boot CD/DVD as the first in the boot sequence in Boot Priority, then save the settings and restart the computer to start the computer from the CD/DVD.
Modify BIOS boot preferences
That’s all for how to boot your Windows 10 computer from a CD. When the system fails and cannot be accessed normally, in order to avoid data loss in the computer, you can check the content of the second part to learn how to transfer or restore data without entering Windows.

II. When unable to enter Windows, use Renee PassNow to transfer or recover data

1. What is Renee PassNow?

Renee PassNow is a professional system rescue software, which can help Windows users clear Windows account passwords, create new administrator accounts; restore disk/memory card data, recover data after hard disk formatting; transfer disk files; erase or scan Disk files, etc. In addition, this software also supports repairing Windows system problems, such as: repairing MBR boot records, DBR error parameters, 0xc00000e, Windows system startup failure, and some problems that cause black screen or blue screen, etc. As a system rescue tool with various functions, it is perfectly compatible with multiple systems including Windows 10/8.1/8/7/XP/Vista, and can meet the system rescue needs of different users.
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2. How to use Renee PassNow to transfer or recover data?

When the Windows system crashes and cannot be started, you can create a startup disk through Renee PassNow, then start the computer through the startup disk, and then use the functions provided by the software to transfer or restore files. Specific steps are as follows:
Step 1: Download and install Renee PassNow on other computers that can log in and run normally, then connect the U disk to the PC, run Renee PassNow, and then check in “Step 1: Choose the creation method” (Create a rescue USB disk) option. (Note: Before performing this operation, please make sure that the important files in the U disk have been saved in other locations, because the operation process will delete all the data in the U disk.)
Step 2: Next, select (x64) or (x86) according to the system type, click the (Download Now) button to download the ISO file, click the (Create Rescue USB) button after the file is downloaded, and click the (Eject USB) button.
use renee passnow to create usb to reset passnword
Step 3: Connect the created boot device to the computer that needs to transfer data, turn on the computer, and then the shortcut key to enter the BIOS will be displayed on the computer screen (the display time of this interface is very short, maybe only one or two seconds), click continuously BIOS shortcut key to enter the BIOS setting interface, and then set the boot U disk as the first in the boot sequence in Boot Priority, then save the settings and restart the computer.
select boot order
Step 4: Wait for a while, after Renee PassNow is loaded, select (Data Transfer).
Note: If you need to transfer or backup the data of the entire hard disk, you can select the (data backup) option. If you need to run the command prompt as an administrator, but the account you log in is not an administrator, you can create a new administrator account through the (PassNow)>(Create New User) function of Renee PassNow.
data transfer function in Renee Passnow
Step 5: You can click on each disk drive letter (C/D/E/F, etc.) to check whether important files are lost. If not, it is recommended that you transfer them to an external disk. The operation of transferring data is very simple. For example, if you want to transfer the data in the C drive to the G drive, you can first select the C drive on the upper left, select the G drive on the upper right, and then select the files in the C drive, and click the Copy function button in the middle. Disk data can be easily transferred. If there is a file you want to delete, you can also click the (Delete) button in the middle after selecting the file, but the deletion operation cannot be undone, please operate with caution.
transfer data interface
Step 6: If you find that there is data loss, please select the (Undeleter) option on the main interface of the function, and click the (Run) button.
Data recovery function of Renee Passnow
Step 7: Select (Whole Partition Scan) to scan the target hard disk.
scan the whole partition with renee passnow recovery function to reinstall windows 7
Step 8: After the scan is complete, select the file to be recovered, click the (Recover) button to execute the data recovery command, please save the file in another external disk, eject the U disk after the recovery is complete, and then perform other repair operations on the computer
preview before recovery