Why is my computer stuck on restarting?
A computer that freezes during restart can cause serious problems in our daily lives. Whether you use your computer for work or for entertainment, facing this problem is extremely frustrating. In this article, we will analyze the main causes of this problem and give you practical solutions that you can implement immediately, even if you are not particularly tech-savvy.
The Main Causes of the Problem
1
Outdated or Problematic Drivers
Drivers are like the "interpreters" between your computer and the devices connected to it (like your graphics card, printer, or mouse). When these programs are old, incompatible with the version of Windows you're using, or installed incorrectly, they can cause your computer to freeze when you restart. This is especially common after operating system updates.
Solution
Visit the official websites of the manufacturers (such as NVIDIA, AMD, Intel) and download the latest versions of the drivers. Alternatively, you can use the "Device Manager" in Windows: right-click on the "Start" button, select "Device Manager", and right-click on the device you want to update the driver automatically.
2
Malware and Viruses
Malicious programs (viruses, spyware, ransomware) can "hide" on your computer and interfere with its normal operation without you realizing it. These programs can change important system files, consume your computer's resources, or prevent it from starting up properly. They often enter your system through untrusted downloads, suspicious email attachments, or infected websites.
Solution
Run a full scan with a reputable security program (like Windows Defender, which is built into Windows, or the free Malwarebytes). Let the scan complete, even if it takes several hours. Remove any threats found, and uninstall programs you don't recognize or don't remember installing.
3
Operating System Problems
Windows can experience errors due to corrupted or missing system files, problematic updates that didn't install properly, or power outages during the update. These problems can prevent your computer from starting or restarting smoothly, leaving it stuck on a black or blue screen.
Solution
Open the command prompt as administrator (right-click the Start button and select Windows PowerShell (Admin) or Command Prompt (Admin)). Type the command sfc / scannow and press Enter. This process will automatically check and repair any corrupted system files. The process may take 20-30 minutes, so be patient.
4
Computer Overheating
When your computer overheats, automatic protection mechanisms are activated that can cause it to freeze, slow down dramatically, or shut down automatically to prevent damage to internal components. This usually happens when the fans are clogged with dust and lint, when the thermal paste has dried out, or when the computer is placed in a room without good ventilation.
Solution
Download and install a free temperature monitoring program like HWMonitor or Core Temp to see if temperatures are high (above 80-90 degrees Celsius). If they are, turn off the computer and clean the inside of the case of dust using compressed air (available at electronics stores). Make sure all fans are spinning and that the vents are not blocked.
5
Hard Drive or SSD Problem
The hard disk drive (HDD) or SSD is the "storage" of your computer where all your files, programs, and operating system are stored. If there is a problem with it (bad sectors, physical damage, or file system errors), the computer cannot read the files it needs to function properly and may freeze during startup.
Solution
Open the command prompt as administrator and type the command chkdsk C: / f / r (where C: is your drive letter). Press Enter and when it asks if you want to check on next boot, type "Y" and press Enter. Reboot and let the process complete (it may take several hours depending on the size of the drive).
6
Damage or Problem with Components
If all of the above solutions fail, then there may be physical damage or poor contact in a computer component, such as RAM (the computer's "short-term memory"), graphics card, power supply, or even the motherboard. Loose or corroded contacts can also cause boot problems.
Solution
Turn off the computer and unplug the power cord. Open the main unit cover and carefully remove the RAM and expansion cards (such as the graphics card). Gently clean the gold contacts with a clean cloth and reinsert the components firmly into their places. If you have more than one RAM stick, try one at a time to identify which one may be problematic.
7
Problematic Windows Updates
Sometimes, automatic Windows updates can cause compatibility issues or install incorrectly, leading to a stuck restart. This can happen especially with large feature updates or when there are interruptions during the update process.
Solution
Boot into Safe Mode (see instructions below) and go to "Settings" → "Update & Security" → "Windows Update" → "View update history" → "Uninstall updates". Uninstall the most recent update that was installed shortly before the problem occurred. This may temporarily resolve the issue until a fixed version of the update is released.
Practical Step-by-Step Solutions
1. Boot into Safe Mode
Safe mode is a special Windows operating mode that loads only the essential programs and services. If your computer works normally in this mode, then the problem is almost certainly caused by a program, service, or driver you installed, and not by the operating system itself.
Steps to enter Safe Mode:
- Hold down the Shift key on your keyboard and at the same time click on the "Start" button, then on the "Shutdown" icon and select "Restart"
- On the blue screen that appears, select "Troubleshoot" → "Advanced options" → "Startup settings"
- Press the "Restart" button and when the list of options appears, press the "4" or "F4" key to select "Enable Safe Mode"
- If the computer works fine here, then the problem is caused by some additional program
2. Disable Fast Startup
Windows' Fast Startup feature saves some system components to a file during shutdown to speed up the next startup. However, this feature can cause problems on some computers and lead to freezes.
Instructions for deactivation:
- Go to "Control Panel" → "Power Options"
- Tap "Choose what the function buttons do" on the left
- Tap "Change settings that are currently unavailable"
- Uncheck the "Turn on fast startup" box and save the changes
3. Uninstall Recent Programs
If the problem started after installing a new program or game, this may be the immediate cause. Some programs may install problematic services or drivers that create conflicts. Uninstall recent programs one by one, starting with the most recent.
Uninstallation instructions: Go to "Settings" (press Windows + I) → "Apps" → "Apps & features" and sort the programs by installation date by clicking "Sort by installation date". Select the program you want to remove and click "Uninstall".
4. Control and Manage Startup Programs
Many programs start automatically every time you turn on your computer. If one of them has a problem, it can cause it to freeze. Disabling unnecessary startup programs can help.
Steps:
- Press Ctrl + Shift + Esc to open the "Task Manager"
- Go to the "Startup" tab
- See which programs have a big impact on startup
- Right-click on programs you don't need right away and select "Disable"
- Restart and see if the problem is resolved.
5. System Restore
System Restore is a very useful Windows feature that returns your computer to a previous state (restore point) when it was working properly, without losing your personal files such as photos, documents, or music. However, it will remove programs you installed after the restore point.
Steps to restore:
- Press the Windows key and start typing "Create a restore point"
- Select the result and in the window that opens, click "System Restore"
- Follow the guide, choose a restore point from a date before the problem occurred
- Confirm and let the process complete.
6. Reinstalling or Repairing an Operating System
If all the above solutions fail, the last and most radical solution is to reinstall or repair Windows. Modern Windows offers options like "Reset this PC" that can repair the system while keeping your files or reinstall it from scratch. This will solve all the software problems that have accumulated over time and give you a "clean" and fast system.
(I.e. Last updated: October 2025
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