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    Technology Manager of Test Dept.
 

Summary

We don’t want to see blue screen when using the Windows computer. The blue screen of death may cause data loss and unbootable Windows. In this article, we will talk about some basic tricks and the related solutions, which solve the problems of blue screen.



CONTENTS

Part 1: Reasons of Blue Screen

Blue Screen of Death (BSoD), also called stop error, is an error screen displayed on Windows computers following a fatal system error. It indicates a system crash. In this situation, Windows cannot run, or users have to restart computers. Now, many Windows programs can handle errors and this error doesn’t appear frequently.
what is windows blue screen
In fact, BSoD is a security warning for computer and system protection away from further damage. When blue screen is displayed on Windows, the system will tell you the error codes, the relevant program data and the tips of trouble removal. Error codes can help you quickly confirm the reasons of BSoD. Besides, the contents are different on different Windows versions when the errors of blue screen appear. In Windows 7 and the earlier versions, lots of information is listed while brief description is displayed in Windows 8 and 10 when blue screen appears.
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Reasons of blue screen:
Usually, we can try to solve the problem of blue screen according to the error codes. Basically, Windows can fix the error by itself and automatically restarts. However, if it cannot solve the problem, you should check if your computer meets with the following cases:
1. Software reasons

● Outdated or incompatible drivers

● Corrupted system files

● Virus/malicious software attack

● Outdated BIOS

2. Hardware reasons

● Faulty fan and overheated computer

● Inadequate memory space

● Interference from flash memory driver and external hard disk

● Loosen port between hardware and cable

● Corrupted and damaged hardware

Part 2: Common Error Codes and Solutions of Blue Screen

Here are some common error codes of blue screen on Windows. We explain the reasons of these errors and give you the solutions.
Common error code of blue screenReasonQuick guide
0xc0000001This error appears in many situations, such as the corrupted system file and the damaged memory space. Besides, the error appears when the SAM (Secure Account Manager) system file is lost or corrupted.Click for more
0xc000000dIt happens when the Windows system files get corrupted. If the applications and hardware are removed incorrectly or install incompletely, the system files will go wrong.Click for more
0xc000000eThe fact that the winload.exe file is not accessible or corrupted can cause this error. When the operating system cannot find out the startup position, the error also appears. This error code is not used in Windows XP.Click for more
0xc000000fThis error is related to the boot manager. When the system meets with this error, it cannot read the boot configuration data.Click for more
0xc000014cThis error indicates that the necessary files are lacked in the startup period.Click for more
0xc000021aThis error can be seen when the computer is upgraded to Windows 10. When the external device interrupts the startup course, or the important login and logout files are corrupted and lost, you can see this error.Click for more
0xc0000034Usually, the fact that the boot-related files (i.e. bootloader) are lost, corrupted or configured incorrectly, can cause this error. For example, the disk is wrongly input; the power supply is stopped suddenly; the boot sector is attacked by virus.Click for more
0xc0000098You can see this error when you install the incompatible hard disk, or BCD (boot configuration data) has no entry to the operating system.Click for more
0xc0000225This error is related to the corrupted system file. Besides, if your computer is attacked by malicious software in the update course, or it is stopped by the faulty hardware, you will also see this error.Click for more
When you see the above error codes of blue screen, you can try the following methods.
Note: Before trying the following methods, please check if the hardware is connected well to the computer. Maybe the problem of blue screen can be solved when the connection turns to normal.

Part 3: Solutions for Bootable Windows

Solution 1: Reset System with Restore Point

System restore is a convenient troubleshoot tool on Windows. You can use this tool to restore to the status on normal operation. The system will automatically create restore point when you install the new application and driver, and update the system. This tool will not affect your personal files, such as emails, documents and photos. But the applications, drivers and the other settings that are set after the restore point will be removed.
Steps:
① Search [system restore] in the computer and then select [Create System Restore] in the search results.
② In the window, select one of the available drives and click on [System Restore].
③ Select the created restore point and click on [Next].
④ After that, click on [Finish] – [OK] to confirm all information.

Solution 2: Scan Malicious Software & Virus

When the Windows system files are damaged by the malicious software, the computer may turn to blue screen. Besides, some virus, especially the MBR-infected virus and the virus in boot sector, can also cause this problem. You can try to use the anti-virus software to completely scan the computer to find the virus and malicious software.

Solution 3: Find Errors on Drives and Memory Problems

Blue screen may be caused by the errors on hard disk and RAM (random access memory). You can use the built-in recovery tool to check the errors on the drives. If the tool cannot help you solve the problem, you shall contact with the hardware suppliers.
1. Check errors on drives
The drive checking program on Windows can fix the basically logical errors. If there are some bad tracks on the hard disk, this method cannot work.
Steps:
① Double click on [This PC] and then right click on the target disk. Select [Properties].
② Click on the tab [Tools] and then [Check]. Enter the passcode of the administrator account to begin checking.
③ Click on [Scan drive], or check [Automatically fix file system errors] or [Scan for and attempt recovery of bad sectors] on Windows 7.
2. Check memory problems
Steps:
① Search [control panel] in the computer.
② Search [memory] and select [Diagnose your computer’s memory problems] from the search results.
③ In the following window, select [Restart now and check for problems] or [Check for problems the next I start my computer]. After that, the tool will follow your order to check the memory problems.

Solution 4: Run SFC

The case that the Windows system files are corrupted can cause blue screen. You can try to use SFC (system file checker) to check and fix errors in Command Prompt.
Steps:
① First, search [cmd] in the computer. Then, right click on [Command Prompt] from the search results. Select [Run as administrator].
② Type [sfc/scannow] and press Enter to scan and fix the drive.
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Part 4: Solutions for Unbootable Windows

From the above contents, we’ve talked about how to fix blue screen on Windows when the system is bootable. How if the system is unbootable?

Solution 1: Try to Boot from Safe Mode

When the system is unbootable, you can start up Windows through safe mode. In safe mode, an operating system has reduced functionality and many non-core components are disabled. Under such status, the system will not be interrupted by the third-party drivers. It is intended to help users check and fix errors, including blue screen. For example, an application gets started at the beginning of Windows startup but it cannot be shut down. You can reinstall this application under safe mode. Besides, the fact that you can get into safe mode smoothly means that there is no problem in the default settings and the basic driver.
How to get into safe mode:
● Windows 10/8/8.1
① First, get into Windows Recovery Environment (WinRE). Stop the startup course before the Windows logo appears three times. Then, you can get into WinRE.

② Follow to select [Troubleshoot] – [Advanced Options] – [Startup Settings] – [Restart].

③ Then, press the [4] key to enable safe mode.
● Windows 7
① Get the computer restarted. Press F8 prior to the appearance of the Windows logo.

② When you see [Advanced Boot Options], press the arrow keys to select [Safe Mode], and then press Enter to go on.

③ Finally, log in the computer as administrator. When the system is in safe mode, you will see [Safe mode] at four corners of the screen. Restart the computer when you are going to exit the mode.

Solution 2: Reset System with Restore Point

When Windows is unbootable, you can use the function [System Restore] to recover the system to the restore point. But if you close system protection, the restore point will not be created.
● Windows 10/8/8.1
Steps:
① Stop the startup course before the Windows logo appears three times. Then, you can get into WinRE.

② Follow to click on [Troubleshoot] – [Advanced Options] – [System Restore].

③ Then, select one of the restore points to restore the system. Click on [Next] to begin.
● Windows 7
Steps:
① Get the computer restarted. Press F8 prior to the appearance of the Windows logo. Use the arrow key to select [Repair Your Computer] and press Enter to go on.
how to fix blue screen on windows
② Then, select [System Restore] and click on [Next] to go on. Select one of the restore points to restore the system.

Solution 3: Reinstall Windows

If you cannot fix the problem of blue screen through the above methods, you shall reinstall Windows. That means all applications and data will be removed and the computer will be factory reset. Therefore, you should use Renee PassNow to transfer the important data beforehand. Click here to learn about how to back up data.
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Next, we will show you how to reinstall Windows 10.
1. First, create installation media.
Steps:
① Download the media creation tool from the Microsoft official site (URL: https://www.microsoft.com/en-au/software-download/windows10). Then, click on [Download tool now].
② Run the tool and click [Accept] to confirm the license terms.
③ On the [What do you want to do?] page, select [Create installation media for another PC], and then select [Next].
④ Select the language, edition, and architecture (64-bit or 32-bit) for Windows 10. By default, check the item [Use the recommended options for this PC].
⑤ Select which media you want to use. Click [USB flash drive] and [Next] to continue.
Step 2: Reinstall Windows 10
Steps:
① Insert the installation USB when the computer is off.

Note: The USB shall be inserted into the rear interface in desktop computers and the all-in-one PCs, and into the USB 2.0 interface in the laptops.
② Restart your PC. If your PC does not automatically boot to the USB or DVD media, you might have to open a boot menu or change the boot order in your PC’s BIOS or UEFI settings. To open a boot menu or change the boot order, you’ll typically need to press a key (such as F2, F12, Delete, or Esc) immediately after you turn on your PC.
③ On the [Install Windows] page, select your language, time, and keyboard preferences, and then select [Next] > [Install Windows].

Part 5: Transfer/Save Important Files on Windows

Before reinstalling Windows, you shall transfer the important files with the Data Transfer function in Renee PassNow.
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Steps:
① First, create a boot media. Download Renee PassNow in a computer and insert the boot USB disk.

② Open the software. Select one option from [Crate a Live USB] and [Create a Live CD]. Then, select [x64] or [x86] according to your computer. Next, click on [Download Now] to download the licensed ISO. Remember to activate the software beforehand. After that, click on [Create USB] to create the boot media.

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③ Restart the computer and press the key (F2/DEL) to enter into BIOS. Then, change the boot order from the original settings to the boot USB.
steps to change the boot order in BIOS
④ When the system is booted from the USB/CD, click on [Data Transfer].
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⑤ Select the target data and then transfer to the wanted disk.
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