Blue error screen

Question

Blue error screen can’t restart computer nothing is changing or moving! How to fix?

Stop code- CLOCK_WATCHDOG_TIMEOUT

Answer 1

Hi Joe Armock

Welcome to Microsoft Community.

Based on your description, I understand that you seem to be experiencing a blue screen issue and are unable to restart your computer. I understand very well how you feel!

Looking at the error code, CLOCK_WATCHDOG_TIMEOUT is usually related to the processor hardware or driver.

This blue screen indicates that the system has detected a processor core response timeout, which can be caused by the following reasons.

1. Physical damage/overheating of the CPU (especially with recent hardware removal or overclocking)
2. Unstable motherboard power supply
3. Chipset/processor driver incompatibility
4. Old BIOS version
5. System kernel file corruption

Normally, the blue screen problem requires you to enter the system and extract the dmp file, and then find out the cause of the blue screen by analyzing the dmp file.

However, considering that you are currently unable to restart your computer and enter the system, I will first give you some emergency solutions that will hopefully help you enter the system first. However, this is the first time I've replied to you because I have less information and the problem requires different aspects of troubleshooting, so please understand and provide me with more information (pictures would be great!) in your reply, thank you very much!

Option 1: Let's try an emergency fix for the system first.

We will first check if we can access the WinRE environment built into the system.

Please follow the steps below to access the WinRE environment:

(1) Press and hold the power button for 10 seconds to turn off your device.

(2) Press the power button again to turn on your device.

(3) Immediately after seeing Windows start up (e.g., some devices display the manufacturer's logo on reboot), press and hold the Power button for 10 seconds to turn off your device.

(4) Press the Power button again to turn on your device.

(5) When Windows reboots, press and hold the Power button for 10 seconds to turn off your device.

(6) Press the Power button again to turn on your device.

(7) This time, allow the device to fully boot up.

(8) Select Troubleshooting.

(9) Select “Advanced Options”.

1. Try to start the repair first.

Under “Advanced Options”, select “Startup Repair”.

2. We can also try to repair system files, boot the system and scan the disk from the command line.

Under Advanced Options, select Command Prompt.

(1) Repair system files.

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /RestoreHealth

SFC /Scannow

Please note: The above command needs to be repeated 5-6 times to ensure the integrity of the scan!

(2) Repair system boot.

bootrec /fixmbr

bootrec /fixboot

bootrec /scanos

bootrec /rebuildbcd

(3) Run CHKDSK tool to scan and repair the disk.

chkdsk /f /r

Disclaimer: Running chkdsk can check the file system and file system metadata of a volume for logical and physical errors. To avoid any trouble for you, do not cancel or interrupt chkdsk, and back up important data.

Option 2: We also need to do some troubleshooting from a hardware perspective.

1. Check the heat dissipation of the computer, especially the CPU heat dissipation.

Clean the heat sink from dust.

Re-apply thermal grease (disassembly experience required)

2. Restore BIOS defaults.

Enter the BIOS interface (press Del/F2 during reboot).

Find “Load Optimized Defaults” and save.

3. Memory detection.

Use “Memory Diagnostic Tool” in WinRE.

If you have more than one memory stick, try to test each stick alternately. Remove all but one of the memory sticks and check if you can turn on and enter the system.

Repeat until all memory sticks and slots have been tested individually.

Option 3: Let's try to enter the system in Safe Mode to see if we can get in without any problems.

You can refer to Safe Mode: Windows Startup Settings - Microsoft Support (Select “Safe Mode with Networking”)

Assuming that we are able to enter the system in safe mode, we can also try some of the following options for troubleshooting.

1. We first tried updating, manually installing drivers, including graphics card, BIOS and chipset drivers.

1. Update Driver

“WIN + x” to select ‘Device Manager’ -> find your corresponding device -> right-click on the device and select ‘Update Driver’ -> ‘Automatically search for updated drivers’.

2. Install Generic Driver

Also in Device Manager -> Right-click on the device and select “Remove Device” (if there is one, please make sure “Remove Driver” is checked) -> After restarting the computer, the system will automatically search for and install the universal driver.

3. Manual driver installation

The driver involves the following situations:

(1) If you are a laptop, you can download the driver for the corresponding laptop model through the brand's official website.

(2) If you have a desktop computer, you can download the driver for the corresponding model through the official website of the motherboard brand.

(3) You can also download the driver for the corresponding model through the manufacturer's official website.

Please note: Please try the latest version of the driver as a priority, assuming the problem still exists, we can try some known older and more compatible versions.

4. For discrete graphics cards, I personally recommend the manual installation method.

First of all, we can use DDU tool (Display Driver Uninstaller) to completely uninstall the current graphics card driver, and then download the latest version of the driver from the official website of the graphics card manufacturer and install it.

The main reason for using the DDU tool is to prevent file and registry leftovers, which may cause driver conflicts or problems that may still exist.

Again, if the latest version of the driver still has problems, we can try to install some known older and more compatible versions.

2. Take into account that problems may occur due to the corruption or loss of certain system files.

We try to repair the system completely in two ways to at least ensure that the problem is not due to system corruption.

(1) Scan and repair the system from the command line.

Click “Windows Logo Key” to open the search bar -> Enter “cmd” in the search bar and open it with administrator privileges -> Please enter the following command

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /RestoreHealth

SFC /Scannow

Please note: The above commands need to be repeated 5~6 times to ensure the completeness of the scan!

(2) Please try the non-destructive repair.

The steps are:

(1) First download the ISO image file of Windows 11 via the following link.

The link is: Download Windows 11

(2) After the ISO file is downloaded, double-click it to open and run “setup.exe”.

(3) Under the “Install Windows 11” screen, select “Change how the installer downloads updates”.

(4) Under the “Get Updates, Drivers, and Optional Features” screen, select “Not Now”.

(5) Follow the instructions to continue.

Please note: If you are prompted to enter a key, the downloaded ISO image file does not match the current system version.

(6) Under the “Select what to keep” screen, please make sure to select “Keep personal files and applications” so that the contents of your computer will not be affected or lost.

(7) Start the non-destructive repair.

Option 4: There are a few more suggestions worth trying, such as:

1. Back up your data (via PE system or Safe Mode)
2. try a system restore point
3. check the hardware status of the motherboard capacitors/CPU slots, etc., if necessary.

Please note: Assuming you can enter the system in Safe Mode or via Windows PE, we can try to extract the dmp file and backup the data.

Generally speaking, after a blue screen, the system will generate a small dump file (dmp file), which can be analyzed in depth to help us find the cause of the problem or narrow down the scope.

If you can send me the dmp file, I will analyze it in depth on my personal computer to see what modules may be causing the blue screen and provide you with my conclusions.

You can upload the dmp file to a cloud drive (e.g. OneDrive, Google Drive, etc.) and include a file sharing link in your reply.

I have additionally enabled private message permission for you, you can also share the dmp file with me in a private message.

After receiving your dmp file I will analyze it in depth and give you some targeted solutions.

The path where the dmp file is stored is: C:\Windows\Minidump\

If you find that there is no dmp file in that folder, please open the dump file as follows. This way, the next time a blue or black screen appears, there will be a dmp file stored.

Click “Windows Logo Key” to open the search bar -> In the search bar, type “Control Panel” -> Under “Large icons”, click “System” -> “Advanced system settings” -> Select “Advanced” in the upper tab -> Under “Startup and recovery”, select “Settings” -> Select “Small memory dump (256KB)” in the “Write debugging information” list.

Besides, assuming you find that there is still no dmp file after opening, please go to the event viewer and check if there are any relevant error events, which may be able to be a breakthrough for us to solve this problem.

In the first reply due to less information, in order to help you better. Please allow me to confirm some questions with you to be able to understand your situation better.

1. Have you replaced/upgraded your CPU or cooler recently?
2. Have you installed new drivers or BIOS updates recently?
3. Is the computer unusually hot?
4. Have you performed any operations before the blue screen problem first occurred?

I sincerely hope that the above information and programs will help you! Please feel free to contact me (Photos related to the question would be great!).

I look forward to hearing back from you. 

Best Regards

Arthur Sheng | Microsoft Community Support Specialist