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While working with Windows, the user may encounter a system hang and then the appearance of a “blue screen of death” (BSoD), the text of which refers to the error “CLOCK_WATCHDOG_TIMEOUT”. Typically, this error has a hardware nature, signaling problems with the hardware of the user PC. In this article I will tell you what kind of error CLOCK_WATCHDOG_TIMEOUT, what are its causes, and how to fix the error on this problem on your computer.


The content of the article:

Understand the causes of the CLOCK_WATCHDOG_TIMEOUT error

In translation, the text of this error sounds something like “control timeout expired” and usually indicates a situation when the expected timeout on the secondary processor in a multiprocessor system was not received during the allotted time interval.

Simply put, any processor (or core of a multi-core processor) does not respond to system requests for various reasons.

In most cases, the error in question is of a hardware nature. As for the fullness of its causes, I would single out the following:

  • Custom system overclocking (overclocking);
  • Unstable operation of the PC memory strip;
  • The problem is in the work of the graphic card (in particular, the conflict between the discrete and the integrated graphic card of the computer);
  • Driver problems (incorrect, outdated, damaged drivers);
  • Windows OS registry is damaged for various reasons;
  • Malignant activity of viral programs;
  • Problems in the hard disk (many "broken" sectors);
  • Violation of the integrity of system files;
  • The recent installation on the computer of the problem application (device) that does not work correctly.

    Ошибка на Windows
    Error on Windows

How to fix the CLOCK_WATCHDOG_TIMEOUT error

To solve the problem CLOCK_WATCHDOG_TIMEOUT I advise you to do the following:

  1. Go to the BIOS and reset its default settings;
  2. Avoid overclocking the system (overclocking), cancel all the relevant settings of your system;
  3. Disable the functions of C1E and Intel Speedstep in the BIOS;
  4. If you have two video cards in the system (one discrete and one built-in), and you use discrete, then disable the built-in video card in your PC's BIOS;
  5. Update system device drivers to the latest versions. In particular, the functionality of specialized programs at the level of DriverPack Solution , Driver Genius and other analogues will help;

    Используйте DriverPack Solution для обновления драйверов
    Use DriverPack Solution to update drivers.
  6. Use the functionality of the SFC system utility to verify the integrity of system files. Run the command prompt as administrator, enter there:

и нажмите ввод. sfc / scannow - and press enter. Wait until the end of the test, reboot the system and check whether the error in question will appear.

Выполняем sfc /scannow
We execute sfc / scannow
  • Check the system registry for errors using appropriate programs (CCleaner, RegCleaner and other analogues);
  • Check your system for viruses (help Dr.Web CureIt!, Malwarebytes Anti-Malware, Trojan Remover and other analogs);
  • Remove avast antivirus from the system. In some cases, the appearance of this error was due to the work of this anti-virus program. Try to remove this program from the system and then watch the stability of your PC;

    Удалите Avast с системы
    Remove avast from the system
  • Remove Daemon Tools lite. The same situation;
  • If you recently installed a new program, try (at least temporarily) to uninstall it from a PC, it is quite possible that this particular software product was the cause of the CLOCK_WATCHDOG_TIMEOUT error;
  • Temporarily disable your antivirus and firewall to determine if these tools are the cause of the dysfunction in question;
  • Roll back the system to a time point at which the problem in question was not observed. и нажмите ввод. Click the "Start" button, enter rstrui in the search bar and press enter. Look for a stable restore point and roll back the system to this state;

    Попробуйте восстановление системы
    Try System Restore
  • Check the correctness of the computer's memory using the Memtest86 program;
  • Check your hard drive for bad sectors (for example, using the functionality of the Victoria program or the CHKDSK command);
  • Try to update your BIOS (recommended for competent users);


The occurrence of the CLOCK_WATCHDOG_TIMEOUT error can have many causes, with most of them usually having a hardware nature. I recommend, first of all, to abandon overclocking and reset BIOS settings to basic values ​​- often these tips turned out to be the most effective. If these methods did not help, use the other tips listed above, this will fix the CLOCK_WATCHDOG_TIMEOUT error on your PC.

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