[Solved] How to Fix CMOS.sys Errors

Recommended: Use Fortect System Repair to repair CMOS.sys errors. This repair tool has been proven to identify and fix errors and other Windows problems with high efficiency. Download Fortect here.

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Fortect System Repair
Filename
CMOS.sys
Version
Filesize
15.45 KB
Category
Generic
MD5
63164997ab0b4d099055fa3ea38cce96
SHA1
9b35200b5bf9ef9a1abddaf2fdfe88ad0a5b3104
SHA256
56d10ff284a09d3a9e7aeda9e867f67ec2ffe1260a4a44c8a708926166f63593
CRC32
12076275

CMOS.sys is a crucial system file in Windows operating systems. It stands for "Complementary Metal-Oxide Semiconductor" and is responsible for storing the computer's BIOS settings. These settings include information about hardware configuration, system time, and date.

When troubleshooting computer issues, understanding the role of CMOS.sys can help in diagnosing and resolving potential problems related to BIOS settings and system timekeeping.

Error - CMOS.sys
Unable to start the program because CMOS.sys is missing. Consider reinstalling to resolve this.

Understanding Common Issues with Sys Files

When your computer hits a snag, often it's a .sys file, like CMOS.sys, at the root of the problem. These files can become corrupted, be deleted inadvertently, or clash with newly installed software. The resulting issues might lead to system instability, performance slowdowns, or even the notorious Blue Screen of Death.

  • Sluggish System Performance: Your computer might slow down significantly if a .sys file becomes corrupted.
  • Blue Screen of Death (BSOD): This is a telltale sign of .sys file issues, where the computer screen turns blue and displays an error message with a specific code.
  • Hardware or Software Failures: Malfunctioning applications or hardware could suggest that the corresponding .sys file is damaged.
  • Error Messages: Users might see specific error messages related to the .sys file during the startup of their computer, during the running of certain software, or during the installation of a program.
  • System Crashes: Frequent and sudden system crashes or reboots can be another indicator of corrupted .sys files.

File Analysis: Is CMOS.sys a Virus?

The file in question, CMOS.sys, has been thoroughly scanned and shows no signs of virus detection, as evidenced by the clean results from 0 distinct virus scanners. It's always reassuring to encounter files with no known associated threats, as these pose a lesser risk to your system's integrity and performance.

Maintaining System Security

A healthy computing environment is achieved through attentive management and proactive protective measures. Keep your system's defenses updated and periodically scan files to maintain your computer's security and performance.

How to Remove CMOS.sys

In case you need to completely eradicate the CMOS.sys file from your system, follow these steps with caution. When dealing with system files, it's essential to proceed carefully to avoid unexpected system behavior.

  1. Locate the File: Begin by locating CMOS.sys on your computer. You can do this by right-clicking the file (if visible) and selecting Properties, or by using the File Explorer's search feature.

  2. Safeguard Your Data: Before proceeding, ensure you have a backup of important data. This safeguards your vital files in case of any issues.

  3. Delete the File: Once you've identified the location of CMOS.sys, right-click on it and choose Delete. This action moves the file to the Recycle Bin.

  4. Empty the Recycle Bin: After deleting CMOS.sys, remember to empty the Recycle Bin to thoroughly remove the file from your system. Right-click on the Recycle Bin and select Empty Recycle Bin.

  5. Perform a System Scan: After file removal, conduct a comprehensive system scan using a trusted antivirus tool to ensure there are no lingering file fragments or potential threats.

Note: Keep in mind that if CMOS.sys is associated with a specific program, its removal may impact the program's functionality. If issues arise after deletion, consider reinstalling the software or seeking assistance from a tech expert.

Repair CMOS.sys Error Automatically

Featured Guide
Repair CMOS.sys Error Automatically Thumbnail
Difficulty
Easy
Steps
9
Time Required
3 minutes
Sections
3
Description

In this guide, we will fix CMOS.sys and other SYS errors automatically.

Step 1: Download Fortect (AUTOMATIC FIX)

Step 1: Download Fortect (AUTOMATIC FIX) Thumbnail
  1. Click the Download Fortect button.

  2. Save the Fortect setup file to your device.

Step 2: Install Fortect

Step 2: Install Fortect Thumbnail
  1. Locate and double-click the downloaded setup file.

  2. Follow the on-screen instructions to install Fortect.

Step 3: Run Fortect

Step 3: Run Fortect Thumbnail
  1. Finish the installation and open Fortect.

  2. Select the System Scan option.

  3. Allow Fortect to scan your system for errors.

  4. Review the scan results once completed.

  5. Click on Fix Errors to start the repair process.

Run the Windows Check Disk Utility

Run the Windows Check Disk Utility Thumbnail
Difficulty
Intermediate
Steps
7
Time Required
10 minutes
Sections
4
Description

How to use the Check Disk Utility. This is a built-in Windows tool that scans your disk for CMOS.sys errors.

Step 1: Open the Command Prompt

Step 1: Open the Command Prompt Thumbnail
  1. Press the Windows key.

  2. Type Command Prompt in the search bar and press Enter.

  3. Right-click on Command Prompt and select Run as administrator.

Step 2: Run Check Disk Utility

Step 2: Run Check Disk Utility Thumbnail
  1. In the Command Prompt window, type chkdsk /f and press Enter.

  2. If the system reports that it cannot run the check because the disk is in use, type Y and press Enter to schedule the check for the next system restart.

Step 3: Restart Your Computer

Step 3: Restart Your Computer Thumbnail
  1. If you had to schedule the check, restart your computer for the check to be performed.

Step 4: Check if the Problem is Solved

Step 4: Check if the Problem is Solved Thumbnail
  1. After the check (and restart, if necessary), check if the CMOS.sys problem persists.

Run a System File Checker (SFC) to Fix the CMOS.sys Error

Run a System File Checker (SFC) to Fix the CMOS.sys Error Thumbnail
Difficulty
Expert
Steps
7
Time Required
10 minutes
Sections
3
Description

In this guide, we will attempt to fix the CMOS.sys error by scanning Windows system files.

Step 1: Open Command Prompt

Step 1: Open Command Prompt Thumbnail
  1. Press the Windows key.

  2. Type Command Prompt in the search bar.

  3. Right-click on Command Prompt and select Run as administrator.

Step 2: Run SFC Scan

Step 2: Run SFC Scan Thumbnail
  1. In the Command Prompt window, type sfc /scannow and press Enter.

  2. Allow the System File Checker to scan your system for errors.

Step 3: Review Results and Repair Errors

Step 3: Review Results and Repair Errors Thumbnail
  1. Review the scan results once completed.

  2. Follow the on-screen instructions to repair any errors found.

Software that installs CMOS.sys

Software File MD5 File Version
7.0.0723
Files related to CMOS.sys
File Type Filename MD5
EXE
1a00214ccfcd3fc02cc69ddd67ccdc73
DLL
83a22f2427ee6d7a12b678a3b45701b7
DLL
2f9fba097725cc177fe136dcab09ca98
SYS
b25b8cdf9c9ecfeb5b11e86c12d80d49
SYS
0631f60ac23366243223c807feb9504b
DLL
d07756ab3fb3d77932decd8f00e010b2
DLL
339aa848a656fe3220b9581d8b54e33a
DLL
d8e8222f61db665dd50debfa3f392d0c
DLL
e82dfe79c8ef70bf703b3bf06cf9a0fa
DLL
529bf550d7b04e823824f5c1543daffe