No Operating System Detected?

If you see the message Missing Operating System, it may be frustrating, but there are a few different things that might have caused it to appear on your screen.

There’s a possibility that the hard drive isn’t being recognized. Under Windows, the hard disk is not detectable by the BiOS operating system. If the hard disk still won’t function, you might try reconnecting it. If that doesn’t work, you’ll have to acquire a new hard disk.

The Windows boot file partition is now inoperable due to a technical issue. It is possible to start the system using a partitioning tool that is bootable. If it does not work, you might try rendering the wrong partition “inactive” and then reactivating it. It appears that there was a problem with the Master Boot Record (MBR).

To rebuild the master boot record (MBR), you may either use a bootable partitioning program or the Windows installation or repair disk.

We’ll discuss more about the Master Boot Record and BiOS in future blog posts.


For help with any computer issues, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Denver Computer Repair Service, if you need computer repair in Denver, CO please call or text the local office at (720) 441-6460.

Printer Compatibility Issues

Purchasing a printer shouldn’t be too complicated. However, some printers aren’t compatible with certain operating systems. If you’re upgrading to a newer version of Windows, older printers may no longer be supported. Your only option will be to upgrade your printer instead of your PC if that is the situation.

To see if your printer is compatible, follow these steps:

  1. Right-click the Start button.
  2. Go to System Preferences.
  3. On the Hardware and Sound tab
  4. Devices and Printers
  5. Go to Unspecified to see if your printer is listed

If you’re needing help with printer connectivity problems, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Boulder Computer Repair Service. If you need computer repair in Boulder, CO please call or text the local office at (720) 441-6460.

Erase Data from your Hard Drive

It is true that when you delete data on the hard drive, the physical proof of its removal is removed; but, the data itself continues to be stored in its original location until it is overwritten.

It is possible to replace data that has been removed from the hard drive of a computer if you so want. This will take some time, but in the meanwhile, it is possible to restore the data.

Overwrite the data on your hard disk with a software that alternates between writing 1s and 0s until it can no longer be retrieved. This should be done many times.

To make sure a file is truly gone, a number of tools are available. Eraser is a free and easy-to-use solution that will overwrite your private information with random patterns until the data is no longer recoverable. It works with nearly every version of Windows and offers a number of methods of overwriting your data, including methods approved by the Department of Defense.

Source: PCWorld

If you need assistance with hard drive issues, please give us a call at 1-800-620-5285. Karls Technology is a nationwide computer service company with offices in many major cities. This blog post is brought to you by our staff at the Summerlin Computer Repair Service. If you need computer repair in Summerlin, NV please call the local office at (702) 800-7850.

Let’s Briefly Talk about UPnP

Due to its widespread use, it’s possible users may already have used UPnP.

For those unfamiliar with the phrase “networking protocol,” UPnP stands for Universal Plug & Play. Using these protocols, devices of different kinds may instantaneously interact with one another via a network. When a gadget scans a network, it’s looking for other devices on that network that could be connected to it.

New devices may be easily added and connected to a local network using the UPnP protocol. Uses of a UPnP include:

  • The installation of a new printer on every computer and tablet in the home.
  • Conveniently streaming and playing video games on a gaming console by connecting it to a server
  • Using a PC or smart TV to send material over the internet.
  • Connecting a mobile phone to a wireless speaker system.

For help with connectivity issues, call us at 1-800-620-5285. Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Mesa Computer Repair Service. If you need computer repair in Mesa, AZ please call the local office at (480) 240-2950.

Computer Freezes Too Often?

A computer that freezes or becomes unresponsive might be caused by a variety of factors. Usually, there’s a problem with your computer’s software or with too many apps running at once, which causes it to freeze. But it could also be hardware. Here are a few ways to try and fix this issue.

Using the Device Manager, bring your device drivers up to current. Updating the drivers is almost always going to be your best bet for solving the issue. In order to rectify this issue, a number of clients have either fixed or replaced their Power Supply Units (PSU).

In the event that your computer does not receive sufficient and steady power, it will begin to freeze. In order to solve this issue, either your power supply has to be checked or replaced.

Utilize third-party applications, such as CCleaner, in order to repair issues that are occurring on your computer. This app is also available for Mac users.

In the event that nothing else works, the final option is to reinstall the operating system. The problems with the system freezing should be resolved as a result of this. Microsoft shares how to restart, refresh or reset your computer.


If you are needing assistance with any PC issues, please give us a call at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities.  This blog post is brought to you by our staff at the Summerlin Computer Repair Service. If you need computer repair in Summerlin, NV please call the local office at (702) 800-7850.

PC Crash Before Loading OS

The operating system has to have the capability to start up from a damaged hard drive or corrupted RAM in order for it to be useful.

Problems with the random access memory (RAM) or the hard drive are to fault if your computer only displays the logo of its maker before crashing before installing the operating system.

If your computer has many slots for RAM, finding the offending component could be simpler. If this is the case, you should try starting the computer with each RAM stick removed in turn.

Either the random access memory (RAM) or the hard drive will need to be replaced as a result of this.

Other reasons for your PC crashing while attempting to load the operating system. These include overheating, malware, or memory issues.


If your PC is crashing trying to load the operating system, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Lakewood Computer Repair Service. If you need computer repair in Lakewood, CO please call or text the local office at (720) 441-6460.

Troubleshooting Motherboard Issues

RAM, the BIOS system, mass storage, and the CPU are all contained on the motherboard.

There is a vast variety of problems that can be caused by components located on the motherboard of the computer. Problems with the BIOS and insufficient RAM are only two examples of things that can go wrong with a motherboard.

It is going to be dependent on the specific problem, but in the worst case situation, you are going to need a new motherboard to fix the issue. Here are a few things to look out for:

-If the fan does not turn, make sure the power supply is working. Check to see whether the CPU or motherboard has a fan. Make sure the voltages from the power source to the motherboard are within acceptable limits.

-Your PC may be overheating. Allow the computer to cool down before shutting it off. Remove the computer’s cover and turn it on.

-The motherboard should be checked for drooping capacitors. It is possible that these little parts appear to be swollen.

If any of these issues are noticed, the motherboard should be replaced as soon as possible.


If you need computer repair, computer service or have any technology problem, give us a call at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Littleton Computer Repair Service, if you need computer repair in Littleton, CO please call our Littleton office at (720) 441-6460.

A Few Features Included in VPN’s

Last year, we explained what a VPN entails on our blog. VPNs, or Virtual Private Networks, allow users to browse the Internet anonymously. This convenient program lacks location recognition, preventing web businesses from tracking information. VPN services are readily available and inexpensive anywhere.

With regards to virtual private networks (VPN), the rules by which machines interact can have a significant impact on both security and performance. Using the best VPN protocols can keep things moving swiftly while maintaining your privacy and security.

Also, if your VPN connection breaks for whatever reason, a killswitch would end your internet access. In the event that your VPN fails, your online activities might be linked to you. A killswitch will not allow this to occur, which is helpful.

There are several advantages to using a virtual private network (VPN). An IP address is a number that the Internet uses to route traffic to and from a user’s computer, based on the URL entered into a web browser address bar. Most people’s DNS translation is handled by their Internet service provider (ISP) by default, although this may be readily changed.


For help with VPN’s, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Aurora Computer Repair Service. If you need computer repair in Aurora, CO, please call the local office at (720) 441-6460.

Quick Tip: Don’t Do this to your Laptop Battery

Since lithium-ion batteries can only store so much energy before they run out, the idea of overcharging them is unfounded. It won’t overheat or explode if you leave it plugged in all the time.

Having it plugged in all day, on the other hand, might lead to complications. With less energy to store, the laptop’s lithium-ion battery lasts longer. Keep your battery at 100% all the time and you’ll reduce its longevity.

In order to get the best performance out of your battery, you should disconnect it during the day rather than leaving it plugged in at all times, In around three years, the battery capacity goes from 100% to only around 30%. Computer manufacturers will then encourage you to upgrade or replace your battery.


If you are needing help with computer issues, please give us a call at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities.  This blog post is brought to you by our staff at the Summerlin Computer Repair Service. If you need computer repair in Summerlin, NV, please call the local office at (702) 800-7850.

What’s the Best Windows OS Anti-Virus Software?

Despite the fact that some people disagree with the assessment, it’s been said Windows Defender is the most effective piece of antivirus software for Windows OS.

Windows Defender is far superior to any other antivirus software that is currently available. It’s important to remember that Windows Defender is efficient when it is not connected to the internet but is ineffective when it is.

In contrast to what most people believe, installing an additional anti-virus tool on your computer might really cause it harm. Do not make the purchase if it is not required.

What about Safeguard Hold?

Let’s break down what Safeguard Hold is, when it comes to Windows OS:

When it is first put into use, an operating system that has been recently upgraded can have bugs or other vulnerabilities. Thankfully, Microsoft will continue the rollout despite the fact that a security hold has been put in place.

This is due to the fact that only a very tiny percentage of computers are affected. Windows Update will be able to successfully download and install the latest version once the underlying issue has been located and resolved. Microsoft explains it more, below:

The lifespan of safeguard holds varies depending on the time required to investigate and fix an issue. During this time, Microsoft works diligently to procure, develop, and validate a fix and then offer it to affected devices. We monitor quality and compatibility data to confirm that a fix is complete before releasing the safeguard hold. Once we release the safeguard hold, Windows Update will resume offering new operating system versions to devices.

Source: Microsoft

If you have any anti-software issues, or have any questions, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Lakewood Computer Repair Service. If you need computer repair in Lakewood, CO please call or text the local office at (720) 441-6460.