When it comes to running a business, every minute counts. That’s why few things are more frustrating than waiting on a slow computer that doesn’t respond when you need it to. The dreaded computer lag can make even the simplest tasks feel impossible, turning a five-minute job into a fifteen-minute headache.
The good news is that most of the time, computer lag is fixable. In this guide, we explore the top reasons why your business computers may be slow and share actionable tips to improve speed, efficiency, and reliability.
Top Causes of Computer Lag:
Top Causes of Computer Lag for Businesses and How to Fix Them
Computer lag is a delay between an action and the computer’s response. For example, you might click on a file, but instead of opening right away, it takes several seconds for the system to react. Every delay can have a butterfly effect that disrupts workflows and slows down the entire team.
In fact, one study found that old, slow computers are costing business owners up to $2,736 each per year.1 For businesses with multiple employees and devices, slow systems can lead to hours of lost productivity every week. Whether you’re trying to pull up a document during a client call or meet a strict deadline, computer lag frustrates employees, hinders customer service, and ultimately eats away at your bottom line.
Below, we walk you through the most common causes of computer lag in the workplace and provide actionable steps to get your systems running smoothly again.
1. Not Shutting Down Computers Regularly
When stepping away from work is as simple as closing a laptop or putting your PC on standby, it’s easy to forget that computers need to be fully shut down on a regular basis.
Turning your work computer off clears out RAM (memory) used by background processes, allowing it to run more smoothly when you turn it back on. Powering a computer down also lets it apply system or security updates, improving overall performance.
Restart Computers at Least Once a Week
Encourage employees to restart or shut down their computers at least once a week, or daily, if possible. Instead of closing the laptop or simply turning off the monitor, make sure to manually power off the computer by clicking “Shut Down” or “Restart” in the settings.
2. Too Many Startup Programs
Startup programs are any apps that automatically run when you start your computer. While this can be convenient for programs you use daily, any left running in the background needlessly could cause computer lag by using resources like CPU, RAM, and disk space. The more resources your computer uses, the slower it will be.
How to Disable Unnecessary Startup Apps
Disabling unnecessary startup programs can free up more resources for the apps you’re actually using. You can do so by visiting:
- Windows: Settings → Apps → Startup
- Mac: System Settings → General → Login Items & Extensions
From there, you can adjust which apps you want to run automatically when you start up your computer.
3. Too Many Background Applications
Background applications are any programs that run in the background, even if they’re not actively visible on your screen. This allows them to perform tasks like receiving notifications, syncing data, and staying consistently updated.
Some examples of background apps include:
- Messaging: communication programs like Slack, Teams, or email clients that receive notifications
- Security: antivirus software that continuously scans for malware
- Productivity: apps that sync data, such as a cloud storage service or calendar app that updates events
However, this background activity eats up valuable system resources, which can slow performance.
How to Disable Background Apps
Disabling unnecessary background apps frees up resources, which can significantly speed up your computer. You can do so by going to:
- Windows: Settings → Apps → Installed Apps → Advanced options → Background app permissions
- Mac: System Settings → General → Login Items & Extensions
From there, you can pick and choose which apps you want running in the background to optimize resource usage.
4. Constant Cloud Storage Syncing
Cloud storage apps like OneDrive, Google Drive, and Dropbox allow you to store, manage, and access files across all your devices. They run in the background, constantly checking for and syncing files. This consumes CPU, RAM, and internet bandwidth, which can slow down other tasks and lead to noticeable computer lag.
Optimize Cloud Syncing
Most cloud apps let you control how and when files sync. Try these quick fixes to optimize performance and speed things up:
- Pause syncing during large uploads or when you’re doing resource-heavy tasks
- Limit which folders sync locally to reduce background activity
- Check for sync errors or stuck uploads, since repeated retries can keep the app running and slow your system
Even small syncing adjustments can make a significant difference in keeping your computers fast and efficient.
5. Network Connectivity Issues
Not all computer lag issues stem from the hardware itself. Sometimes the issue lies with the internet connection.
If multiple employees regularly experience delays when completing internet-based tasks like loading cloud-based apps, transferring files, or joining video calls, it could be a network-related issue.
How to Solve Network Connectivity Issues
When it comes to network connectivity issues, it’s best to always start with the basics and confirm that your computer is connected to the internet. You can also run a free connection speed test right in Google search results by searching “internet speed test.”
If slow network performance is a recurring problem for your business, short-term troubleshooting will only get you so far. For a long-term solution, consider:
- Upgrading networking equipment
- Increasing available bandwidth
- Implementing network segmentation
Investing in better network infrastructure or managed support keeps your systems reliable and efficient, lowering the risk of connectivity issues.
6. Outdated Operating Systems and Software
An outdated operating system (OS) can be a major contributor to computer lag. Engineers are constantly releasing new OS versions to improve security and functionality. As software applications update, the newer versions are designed to be compatible with the latest available OS version.
So to keep everything compatible and efficient, you’ll need to update both the OS and all software consistently. Otherwise, your computer will struggle to run newer software smoothly, resulting in slow load times, freezing, and stuttering.
How to Check for Pending OS Updates
Here’s how to make sure your operating system is fully up to date:
- Mac: System Settings → General → Software Update → Update Now
- Windows 11: Settings → Windows Update → Check for updates
You can also schedule updates to take place overnight so they don’t interrupt your work.
How to Turn on Automatic App Updates
Another strategy to keep your computer running smoothly is to enable automatic updates for all software applications. Here’s how:
- Mac: App Store → Settings → Check the “Automatic Updates” box
- Windows: Microsoft Store → Profile → Settings → Turn “App Updates” on
Managed software support services are also a surefire way to ensure every system, app, and tool your business uses are consistently updated, especially at scale.
7. Insufficient RAM (Memory)
RAM is your computer’s short-term memory. Think of it like a space for all your current and most used tasks. It allows your computer to readily access the information it needs to run apps and multitask. As we mentioned earlier, your RAM clears whenever your computer shuts down.
All these everyday tasks use up computer RAM:
- Mouse movement
- Navigating between browser tabs
- Making a spreadsheet
- Writing an email
- Video streaming
The more RAM your computer has, the more tasks it can handle simultaneously without slowing down.
How to Add More RAM to Your Computer
To add more RAM to your computer, you’ll need to buy compatible RAM sticks and install them in the open memory slots on the motherboard.
If the system doesn’t detect the new RAM, double check that the sticks are properly seated and compatible with the motherboard’s specifications.
8. Insufficient Storage Space
Computer storage is different from your computer memory (RAM). Unlike RAM, PC storage stores data long-term on a Hard Disk Drive (HDD) or Solid-State Drive (SDD). Your computer needs plenty of storage to create and manage essential files and applications. When storage is low, this can lead to slower data retrieval and a more sluggish system overall.
How to Free Up Existing Storage Space
Fortunately, there are plenty of easy ways to free up existing storage space on a computer:
- Delete unnecessary files and software
- Empty the recycle bin
- Move files to external storage (hard drives, USB flash drives, etc.)
- Upload files to cloud services like Google Drive, Dropbox, or OneDrive
The more storage space your computer has, the more efficient it will run.
How to Add More Storage to Your Computer
To add more storage to your PC, you’ll need to install a new internal drive like an SDD or HDD in an available bay. SSDs connect directly to the motherboard and generally perform faster than traditional hard drives.
This can dramatically speed up boot times, app launches, and file transfers.
9. Malware and Security Issues
If your computer is suddenly acting much slower than usual without a reasonable explanation, this can be a sign of malware. This refers to any type of malicious software that cybercriminals use to gain unauthorized access to an organization’s computer systems, which can run in the background without you realizing it.
Running a full system security scan can help you identify and address potential threats that might be slowing down your computer.
How to Run a Full System Security Scan
Use reliable antivirus software to run a full scan. If it identifies any spyware or malware, follow the software’s instructions to quarantine or remove them.
Conducting regular security scans or investing in managed IT security services ensures your computer is consistently threat-free and performing at its best.
10. Old Computer Hardware
All computers generate heat. Even with proper cooling, internal components like the processor (CPU), hard drive, and graphics card can be worn down over time and degrade performance. According to a 2018 Microsoft study, the optimal age of a PC is 4 years.1
Beyond that, maintaining them can become more expensive for your business than replacing them.
If a computer is older than 4 years, it:
- Is 2.7 times more likely to require maintenance and repairs
- Costs 112 productivity hours per user
- Costs about $2,736 a year per asset
If you’ve tried all the solutions we’ve covered in this post already, and your PC is still slow, it may just be an indication that your outdated computer needs to be replaced entirely.
Replace Business Computers Every 3-5 Years
If any of your business computers are more than 4 years old, it may be time to replace them. While adding more RAM or upgrading a hard drive can improve performance for a while, newer software eventually becomes too demanding for older hardware. Operating systems constantly require more processing power, and eventually, older computers won’t meet the minimum requirements to run them.
Investing in new computers can save time and productivity in the long run.
Get Back Up to Speed with Managed IT Support
Computer lag is more than a temporary frustration. Every minute lost can slow your entire business down. While common issues like insufficient RAM, overloaded CPUs, and outdated software can create setbacks, the good news is there are plenty of simple fixes—and you don’t have to navigate tech challenges alone.
At True IT, we have years of experience helping Sonoma County businesses like yours overcome tech challenges and streamline operations. If problems like computer lag frequently slow your business down, managed IT support takes the burden off your shoulders so you can get back to what matters most. We’ll help you eliminate performance issues, secure systems, and keep your tech running at peak efficiency.
Don’t let technical issues slow your business down. Contact us online today to claim your FREE consultation and learn how our managed IT services can help.
References
- True cost of not replacing computers revealed in Microsoft study: more than $4,000 each – New Zealand News Centre. (2018, October 16). https://news.microsoft.com/en-nz/2018/10/16/true-cost-of-not-replacing-computers-revealed-in-microsoft-study-more-than-4000-each/
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