Colour | Black |
Manufacturer | ADMI |
Weight | - |
Colour | Black |
Manufacturer | DreamQuest |
Weight | 500 g |
Colour | Black |
Manufacturer | Amazon Renewed |
Weight | - |
Colour | - |
Manufacturer | Fusion5 |
Weight | - |
Colour | Radeon Vega |
Manufacturer | XUM in for quality |
Weight | - |
Colour | White |
Manufacturer | HP |
Weight | - |
Colour | Black |
Manufacturer | Amazon Renewed |
Weight | - |
Colour | - |
Manufacturer | jumper |
Weight | 1.63 kg |
Colour | Black |
Manufacturer | Veno Scorp |
Weight | - |
Colour | Grey |
Manufacturer | Lapbook |
Weight | 1.73 kg |
Understanding Computers: An Overview
Computers have become an integral part of our daily lives and work environments. As of 2021, there are over 1.3 billion personal computers in use worldwide. Overall, a computer system consists of hardware, software, and data, all working in tandem to perform specific tasks.
Hardware: Key Components
The hardware components of a computer system include the central processing unit (CPU), memory, storage devices (e.g., hard drives, solid-state drives), input/output devices (e.g., keyboard, mouse, printer, monitor), and various other internal and external peripherals. All of these work together to execute different programs and tasks.
Software: Applications and Systems
On the software front, there are two main categories: applications and systems. Applications software includes tools that perform specific tasks, such as word processors, spreadsheets, and graphic design software. System software, on the other hand, includes the operating system (e.g., Windows, Mac OS, Linux, iOS, Android) as well as other utility programs (e.g., disk cleanup, antivirus, system optimization). Together, these workloads allow the computer to function properly and perform specific user-driven tasks.
Data: Storage and Security
Finally, data is what input, outputs and drives all computers; it is what all processes and computations are based on. Human input is processed, and data is outputted, which all eventually becomes stored. The data storage distinction plays a huge role in computing, with two primary forms of storage being disk-based (HDD) and nonvolatile memory (SSD). Protecting data can be a tricky affair with several types of common threats, such as hackers, viruses, and malware. In response, there is antivirus software, firewalls, and other security programs that protect data from online and offline threats.
Overall, computers are constantly evolving, with new hardware and software continuously being developed to drive innovation and enhance user experiences. As computers become increasingly ubiquitous in our daily lives, gaining a basic understanding of their components and functions has become more important than ever before.
If your computer won't turn on, it can be a cause for concern. There can be multiple reasons why your computer may not be turning on, including problems with the power supply, motherboard, or other hardware. However, it's important to not panic and try some basic troubleshooting steps to fix the problem.
The first step is to check the power source. Ensure that the power cord is properly connected to the power outlet and the computer's power supply. Try unplugging and plugging the power cord back in. If this doesn't work, try using a different power outlet or power cord to see if it helps.
The next step is to check the hardware components. Open up the computer case and check if all the internal components are properly connected. Look for loose or unplugged cables, or any visible damage to the motherboard or other hardware. If you're not comfortable doing this, consider getting help from a professional.
If the hardware seems fine, the issue may be with the software or operating system. Try booting the computer in Safe Mode. This will enable the computer to start with a minimal set of drivers and services, allowing you to troubleshoot the issue. If the computer boots up in Safe Mode, the problem is likely with a driver or software. Try uninstalling any recently installed software or drivers and see if it helps.
If none of these steps work, the issue may be with the power supply or motherboard. In such cases, it's best to take the computer to a professional for further diagnosis and repair. It's important to not attempt to fix these components on your own, as it can be dangerous and may cause further damage.
In summary, if your computer won't turn on, try checking the power source, hardware components, and booting in Safe Mode. If these steps don't work, consider seeking professional help to diagnose and fix the issue. Remember to always approach hardware components with caution and avoid attempting to fix them on your own.
When it comes to choosing the best antivirus software for your computer, there are several factors to consider. Some of the most important features to look for include virus detection rates, ease of use, system impact, and customer support.
One popular antivirus option is Norton. Norton offers a comprehensive suite of security features, including antivirus, firewall protection, and online privacy tools. The software is easy to use and has a high detection rate for viruses and other malware. However, some users report that it can be a bit resource-heavy, particularly on older or less powerful computers.
Another popular option is McAfee. Like Norton, McAfee offers a full suite of security tools, including antivirus, firewall protection, and spam filtering. One of the benefits of McAfee is that it has a relatively low impact on system resources, making it a good option for older or less powerful computers. However, some users report that the interface can be a bit confusing, and customer support can be hit or miss.
For those looking for a free antivirus option, Avast is a popular choice. Avast offers a range of security features, including antivirus, firewall protection, and phishing protection. The software is easy to use and has a relatively low impact on system resources. However, some users report that the free version can be a bit intrusive with pop-up ads and upgrade prompts.
Another free option is Windows Defender, which comes pre-installed on all Windows 10 computers. While it may not have all the bells and whistles of some other antivirus programs, it has a strong virus detection rate and is relatively lightweight in terms of system impact. Windows Defender also integrates well with other Windows security features, such as the built-in firewall.
Ultimately, the best antivirus software for your computer will depend on your specific needs and preferences. It may be helpful to do some research, read reviews, and try out a few different options before settling on the one that works best for you.
Upgrading your computer's operating system is an important process to ensure that your device runs smoothly and securely. However, the process can be daunting for some users who are not familiar with the steps involved in upgrading an OS. In this article, we will discuss how to upgrade your computer's operating system in six easy steps.
Step 1: Determine which operating system you want to upgrade to. Check if your computer meets the system requirements of the newer version of the OS. This information can be found on the software vendor's website.
Step 2: Backup your important files and data before starting the upgrade process. This step is vital to ensure that your data remains safe and secure during the upgrade process.
Step 3: Purchase or download the new operating system software. Check to see if there are any promotional discounts available for the new version of the OS. Some software vendors may offer free upgrades for users who have a valid license of the older version of the OS.
Step 4: Insert the installation disc or launch the downloaded installer. Follow the prompts provided by the installation wizard. Typically, the installation wizard will ask you to select language preferences, accept the license agreement, and choose which hard drive to install the OS.
Step 5: After the installation process is complete, restart your computer. The first boot-up after the installation process may take longer than usual, as the system may need to configure the new OS and applications.
Step 6: Restore your backed-up files and data onto the new operating system. If you encounter any issues or problems during the upgrade, consult the software vendor's support resources or contact their technical support team for assistance.
In conclusion, upgrading your computer's operating system is an important process that can enhance the performance and security of your device. By following the six steps outlined in this article, you can successfully upgrade your OS and enjoy the benefits of the new software. Remember to backup your data before starting the upgrade process and seek assistance if you encounter any issues.
Losing important files on your computer can be a serious headache. Whether it was an accidental deletion or a system crash, it always seems like the work you've lost is irreplaceable. Fortunately, there are ways to recover deleted files on your computer. In this article, we'll explore some of these options and provide you with the helpful tips you need to recover lost files easily and efficiently.
First and foremost, check the Recycle Bin on your computer. When you delete files, they often get moved to the Recycle Bin, rather than being permanently deleted. To recover these files, simply locate and open the Recycle Bin folder, select the files you want to restore, right-click and select "Restore." This will bring the files back to their original location on your computer.
If the files you are looking to recover are not in the Recycle Bin, you can try using a data recovery tool. There are many software options available for free or at a cost, and they can search your hard drive for deleted files, then restore them. Popular data recovery tools include Recuva, EaseUS and Disk Drill.
In some cases, you may also be able to recover deleted files using Windows File History. This feature is built into Windows 10, and it allows you to restore previous versions of files that have been changed or deleted. To access File History, navigate to Control Panel > System and Security > File History, then select "Restore personal files." From here, you can select the files you want to restore.
If all else fails, you may need to seek the help of a professional data recovery service. There are many companies that specialize in recovering lost data, although this can be an expensive option. Additionally, it's important to note that there is no guarantee that your files will be recovered, so it's best to exhaust the other options first.
In conclusion, recovering deleted files on your computer can be a stressful experience, but there are ways to regain your lost work. Remember to check the Recycle Bin and use data recovery software or Windows File History, and if all else fails, seek the help of a professional service. With the right tools and mindset, you can easily overcome the inconvenience of lost data and move on with your work.
If your computer is running slower than usual, there are several things you can do to speed it up. Here are some helpful tips to optimize your computer's performance:
1. Remove unnecessary programs: Uninstalling unused programs and deleting unnecessary files can free up space on your computer and improve its performance. You can use the built-in Disk Cleanup tool on Windows or CleanMyMac for Macs to streamline your computer system.
2. Update software and drivers: Installing the latest updates for your operating system, software programs, and drivers can help speed up your computer and fix any bugs or glitches that may be causing errors. Be sure to also update your anti-virus software to ensure your computer is protected against security threats.
3. Manage start-up programs: When you turn on your computer, it will automatically load programs that run in the background. These programs can slow down your computer's startup time and overall performance. You can manage these programs by opening "Task Manager" on Windows or "Activity Monitor" on Macs and disabling any unnecessary programs that start up automatically.
4. Increase RAM: If your computer is running slowly when you have multiple programs open at once, you can consider upgrading your RAM (Random Access Memory). This will allow your computer to handle more tasks simultaneously and perform more efficiently.
5. Use a solid-state drive: Replacing your traditional hard drive with a solid-state drive (SSD) can improve your computer's performance by speeding up read and write times. SSDs can be more expensive than traditional hard drives but can provide a significant performance boost.
6. Keep your computer clean: Dust and debris can clog up your computer's fans and vents, causing it to overheat and slow down. Regularly cleaning your computer's hardware can prevent dust build-up and ensure optimal performance.
By implementing these tips, you can speed up your slow computer and improve its overall performance. Remember to regularly maintain your computer's hardware and software to ensure it's running smoothly.
Connecting your computer to a Wi-Fi network can be a very simple process, especially since most computers are designed to automatically detect and connect to available networks. In this guide, we will provide a step-by-step guide to connecting your computer to Wi-Fi.
Step 1: Turn on your Wi-Fi
Before you can connect to a Wi-Fi network, ensure that your computer's Wi-Fi is enabled. To do this, look for the Wi-Fi icon at the bottom right corner of your desktop. If it is not there, click the network icon to open the network settings menu. Then, toggle the Wi-Fi switch to the "On" position.
Step 2: Select a Wi-Fi network
Once your Wi-Fi is turned on, you will see a list of available networks in your area. Select the network you want to connect to and click on the "Connect" button.
Step 3: Enter Wi-Fi network password
In most cases, Wi-Fi networks are protected by a password. Once you select the network you want to connect to, you will be prompted to enter the password. Ensure that you enter the correct password to connect to the network. If you are unsure of the password, ask the owner of the network.
Step 4: Confirm connection
After entering the password, your computer will attempt to connect to the network. It may take a minute or so for the connection to be established. Once you are connected, you will see a message indicating that you are connected to the network.
Step 5: Test your connection
It is important to test your connection to ensure that you are able to access the internet. Open your web browser and try accessing a website. If the website loads, then your connection is working successfully.
Step 6: Troubleshoot connection issues
If you are unable to connect to the Wi-Fi network, try resetting your router and computer. If the issue persists, check to ensure that your computer's network adapter drivers are up-to-date. You can also try resetting your computer's network settings to default.
In conclusion, connecting your computer to Wi-Fi is a simple process that involves turning on your computer's Wi-Fi, selecting the network you want to connect to, entering the password, and confirming the connection. Testing your connection after connecting is also important to ensure that you have successfully connected to the network. If you encounter any issues, try troubleshooting or seeking assistance from a professional.
Resetting a computer to its factory settings can be helpful in various scenarios, such as when you want to sell or give away your device, when you experience performance issues or when you simply want a fresh start. In this guide, we will go over the steps needed to reset your computer to its original state.
Before starting the process, it is crucial to backup all your important files and documents to avoid losing them during the reset. Once you have backed up all your essential data, you can proceed to the next steps.
The steps to reset your computer may vary depending on the operating system you have. For Windows 10 users, you can click on the Start menu and select Settings. From there, go to Update & Security and then choose Recovery. Under the Reset this PC section, select Get started and follow the on-screen prompts.
If you're using a Mac, you can restart your computer and hold down the Command and R keys simultaneously until the Apple logo appears. This will take you to the macOS Utilities screen, where you can select Disk Utility and then choose the startup disk in the sidebar. Click on the Erase option and follow the prompts to erase your hard drive. Once that is done, you can select Reinstall macOS and follow the on-screen instructions.
It is important to note that resetting your computer to its factory settings will erase all your personal data and installed applications. After the reset, your computer will be returned to its original state, free of any software bugs or viruses, and ready for use.
In conclusion, resetting your computer to its factory settings can be a simple and effective solution for resolving performance issues or preparing your device for sale or donation. Remember to backup all your essential files and follow the proper steps for your operating system to avoid any data loss during the reset process.
Backing up computer files is an essential task that every computer user should perform regularly. There are several methods to backup computer files, and in this article, we will discuss some of the most popular methods.
The first method is to use an external hard drive. External hard drives are available in various sizes and models, and they can be easily connected to your computer using a USB cable. Once connected, you can simply copy and paste the files you want to backup onto the external hard drive. You can also use backup software that comes with the external hard drive to schedule regular backups automatically.
Another popular method is to use cloud storage services. Cloud storage services such as Google Drive, Dropbox, and OneDrive offer free storage space to store and backup your files. You can upload your files to the cloud storage and access them from anywhere with an internet connection. Some cloud storage services also offer automatic backup features that can backup your files in real-time.
File synchronization software can also be used to backup your computer files. File synchronization software such as SyncBack and GoodSync can synchronize files between your computer and an external hard drive or cloud storage. These software applications can also be programmed to perform automatic backups at regular intervals.
The Windows Backup and Restore feature is another option to backup your computer files. This feature is built into the Windows operating system and allows you to backup your files to an external hard drive or network location. You can also schedule automatic backups using the Windows Backup and Restore feature.
In conclusion, backing up your computer files is crucial to ensure that your important data is safe and secure. There are various methods available to backup your computer files, including external hard drives, cloud storage services, file synchronization software, and Windows Backup and Restore feature. It is recommended to use multiple backup methods to ensure that your data is protected in case of any unforeseen events.
When you upgrade to a new computer, one of the biggest challenges is transferring files from your old device to the new one. In the past, you may have used external hard drives to copy and transfer data. However, there are more modern and efficient ways to do it now. In this article, we will explore some of the most popular methods.
One of the easiest ways to transfer files from your old computer to your new one is to use a cloud-based storage service. Services such as OneDrive, Google Drive, or Dropbox allow you to upload your files to a remote server and then download them to your new computer. All you need is an internet connection to access your files from both devices. These services usually offer a limited amount of free storage, but you can also pay for additional space if needed.
Another method is to use an external hard drive or a USB flash drive to transfer files. This method is particularly useful if you don't have a reliable internet connection or if you have large files that would take a long time to upload to a cloud storage service. Simply copy the files from your old computer onto the external drive and then transfer them to your new computer.
If you need to transfer a large number of files, you can use file transfer software to make the process faster and more efficient. Programs like WinZip, WinRAR, or 7-Zip compress your files and split them into smaller sections, making them easier to transfer. You can then copy the compressed file onto an external drive or upload it to a cloud storage service and then download it on your new computer.
If you are comfortable with network configurations, you can also transfer files between two computers using a LAN cable or Wi-Fi. This method is especially useful if you want to transfer files quickly and efficiently between two devices that are close to each other. All you need is a networking cable or a Wi-Fi connection to both devices. Once you have established the connection, you can share files and folders between the two machines.
In conclusion, there are several ways to transfer files from your old computer to your new one. Using cloud-based storage services, external hard drives, File transfer software, and network connections are some of the most popular methods. Choose the one that best suits your needs depending on the number of files you want to transfer, the file size, and your internet connection speed. With the right approach, you can quickly and easily transfer your files from your old computer to your new one.
Malware or malicious software is a serious security threat that can cause damage to your computer, data, and privacy. It can enter your system through different channels like email attachments, free software downloads, phishing scams, and infected websites. Once installed, malware can spread throughout your system and steal your sensitive information, lock your files, delete data, or even damage your hardware. If you suspect that your computer has been infected with malware, you should act fast to remove it and protect your system from further damage.
The first step to get rid of malware on your computer is to identify the type and extent of the infection. You can use a reliable antivirus program or a malware removal tool to scan your system for any suspicious files, processes, or registry entries. These tools can detect and remove most types of malware, but some may require specific tools or manual removal methods. It's important to keep your antivirus software updated and run regular scans to prevent and detect any potential threats.
Once you have identified the malware, you can proceed with the removal process. Depending on the type and severity of the infection, you may need to enable safe mode or boot from a clean installation media to avoid any interference from the malware. Then, you can use the antivirus program or malware removal tool to remove the malware and its related files, processes, and registry entries. You may also need to delete any suspicious files or programs that you have installed recently or that don't have a valid publisher or certificate.
After removing the malware, you should check your system and data to ensure that everything is working properly and intact. You can use the backup or system restore feature to recover any lost data or settings, but you should avoid restoring any infected files or settings. You should also update all your software, especially the ones that have security vulnerabilities, to prevent any future infections. You can also use a firewall or anti-malware software to monitor and block any suspicious activities or incoming connections.
Finally, you should adopt good security practices to prevent any future infections or attacks. You should avoid opening suspicious emails or attachments, downloading software from untrusted sources, clicking on pop-ups or links from unknown sources, or sharing your personal or financial information with strangers or unsecured websites. You should also use strong and unique passwords and enable two-factor authentication for your accounts. By following these tips, you can keep your computer safe and secure from malware and other security threats.