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The computer is a powerful tool for studying and working, but lately you feel like it is slowing down, lagging or freezing. This paragraphMobile World will guide you on the causes and how to overcome this situation! 1. Causes of slow computer performance Computers running slowly or freezing due to many different reasons, but typically due to some of the following reasons: + Your computer is infected with viruses or malicious code. + The computer's hard drive is full, fragmented, or the computer's hardware has weak configuration. + Many software runs at the same time when the computer is running. + The computer contains too many junk files. + Software causes Registry errors . What causes the computer to run slowly? 2. Instructions on how to fix a slow computer Delete junk files During the process of using the computer, countless junk files are formed when you install software, edit documents, etc. If this happens over a long period of time, it will cause your computer to operate slowly. even hang up. Therefore, you need to regularly delete junk files to make your computer run smoother. To delete junk files, do the following: - Step 1 : Open the Run dialog box (Windows+R), enter the command %temp% > Click OK . Enter the command %temp% in the search bar Step 2 : Press Ctrl + A > Press Delete to delete or Shift + Delete to delete junk files. - Delete : Junk files will be moved to the trash and permanently deleted from the computer after 30 days. - Shift + Delete : Junk files will be deleted immediately. Delete junk files Refer to the article for more information: How to automatically clean up trash on your Windows 10 computer simply and quickly Turn off graphic effects, transparent icons Graphics effects are only suitable for computers with powerful configurations. If your computer has an average configuration or is too weak, this is a disaster for your computer because it affects its operating speed. Turning off graphic effects and transparent icons is a great solution to make your computer run smoother. To turn off graphic effects and transparent icons, do the following: - Step 1 : Right-click on the screen, select Personalize . Right-click on the screen and select Personalize - Step 2 : Select Color > Turn off all Transparency effects options . Turn off all Transparency effects options - Step 3 : Uncheck the Start, taskbar, and action center and Title bars boxes . Uncheck the Start, taskbar, and action center and Title bars boxes See more : Simple and quick way to fix a laptop keyboard with some buttons paralyzed Prioritize operating mode according to performance Setting performance mode will be a timely solution if your computer is slow or lagging. To set up performance mode, do the following: - Step 1 : Enter Advanced in the Windows search bar > Select View advanced system settings . Select View advanced system settings - Step 2: Click on the Settings section of the Performance section. Click on the Settings section of the Performance section - Step 3 : Select Adjust for best performance > Click OK . Select Adjust for best performance See more : Revealing 10 tips and ways to help your laptop stay durable and beautiful over time Disable System Restore function This function helps you return your computer to its latest operating state if it has problems. However, this mode takes up a large amount of memory and storage capacity. Therefore, to make your computer work faster and not slow down, you need to disable the System Restore function. To disable this function, do the following: - Step 1 : Enter Advanced in the Windows search bar > Select View advanced system settings . Select View advanced system settings - Step 2 : Click System Protection > Select Configure . Click System Protection then select Configure - Step 3 : Select Disable system protection > Click OK . Select Disable system protection Defragment hard disk Windows is equipped with a hard disk defragmentation tool called Disk Defragmenter. When your computer is running slow or laggy, you just need to use this tool to improve the processing speed of your hard drive. At this point, your computer can operate much smoother. To start the hard disk defragmentation tool, do the following: - Step 1 : Go to My computer/This PC , right-click on the drive that needs to be defragmented > Select Properties . Select Properties on the drive that needs to be defragmented - Step 2 : Click Tools > Select Optimize . Click Tools and select Optimize - Step 3 : Click Analyze all . Click Analyze all Use Disk Cleanup Disk Cleanup is a built-in tool on Windows computers that helps delete unnecessary junk files or files that are no longer in use, helping to increase drive capacity so the computer operates smoothly. than. To use Disk Cleanup, do the following: - Step 1 : Open the Run dialog box (Windows+R), enter the command “ cleanmgr ” > Click OK . Enter the cleanmgr command - Step 2 : Select the disk to clean and OK . Select the disk to be cleaned Uninstall unnecessary programs Unnecessary programs that are still running will take up space and space from other necessary applications. Therefore, removing unnecessary programs creates more space for other applications to work better. To remove unnecessary programs, do the following: - Step 1 : Enter Control Panel in the search bar > Select Control Panel . Type Control Panel in the search bar - Step 2 : Select Programs and Features . Select Programs and Features - Step 3 : Right-click and select Uninstall to uninstall unnecessary programs. Right-click and select Uninstall Do not run too many applications or anti-virus programs Some anti-virus software being sold at Mobile World: Genuine ESET NOD32 Antivirus170,000 VND Genuine Kaspersky Plus 01 PC290,000 VND ESET Home Security Essential 3 genuine equipment320,000 VND 640,000 VND -50% ESET Home Security Essential 1 genuine device290,000 VND Kaspersky Plus 3 months 01 Genuine PC88,000 VND Kaspersky Standard 01 genuine PC170,000 VND ESET Internet Security 3 genuine device320,000 VND 640,000 VND -50% See more Software products Anti-virus applications and programs take up a huge portion of system resources and this is also one of the reasons why your computer and PC slow down. Therefore, you should choose and use the most effective anti-virus software to ensure improved computer performance while freeing up more hard drive space. Do not run too many applications or anti-virus programs Change Power scheme to High Performance If you are using a laptop and you notice that your laptop is running quite slowly, then you can change the Power scheme to High Performance (maximum speed) to improve system speed. Note : When in High Performance mode, the system will run at full capacity, and the speed will be the fastest, but it will also consume the most battery. To change Power scheme to High Performance, do the following: - Step 1 : Press the Windows + I key combination to open Windows Settings then select System . Select System - Step 2 : Select Power & sleep > Select Additional power settings . Select Additional power settings - Step 3 : Tick Ultimate Performance to activate computer performance optimization mode. Tick ​​select Ultimate Performance Don't let your computer "overheat" If your computer "overheats" it will cause many problems that you cannot predict. When your computer is hot, the processor will slow down, causing your computer's performance to slow down over time. The best way to prevent your computer from overheating is to use a heatsink or fan. The computer is too hot, causing the computer to slow down Upgrade RAM RAM is where all the files of the programs running on the computer are stored. Accessing files from RAM is much faster than accessing from the hard drive. Upgrading RAM helps increase device memory and operate faster The more RAM you have, the more programs running on the system will not affect the operating speed of the system. Upgrading RAM is not too expensive, and this is also one of the best ways to speed up your slow computer. Upgrade SSD Some models of SSD hard drives currently being sold at Mobile World: THE PRICE IS SO CHEAP Portable HDD 1TB Seagate One Touch STKY10001,750,000 VND THE PRICE IS SO CHEAP WD My Passport 1TB SSD portable hard drive BAGF00104,990,000 VND 5,990,000 VND -16% THE PRICE IS SO CHEAP WD My Passport BAGF5000 500GB SSD portable hard drive2,990,000 VND 3,490,000 VND -14% See more products: Portable hard drives The data read and write speed of an SSD hard drive is many times higher than that of an HDD hard drive . When upgrading to an SSD, all your operations on the computer will be smoother and the speed of processing information and data on the computer will also be faster and more efficient. Upgrade SSD If you are looking for help to fix the problem of your computer running slowly and laggy, upgrading your SSD hard drive is one of the perfect choices for you. Turn off applications that launch with Windows Applications that launch with Windows are one of the reasons why your computer runs slower. When applications launch, they will consume space on the CPU or RAM. Therefore, you need to turn off applications that launch with Windows to ensure your computer always operates in the best condition. To turn off applications that launch with Windows, do the following: - Step 1 : Open the Run dialog box (Windows+R), enter the command “ msconfig ” > Select OK . Enter the command “msconfig” - Step 2 : Select the Services tab > Tick Hide all Microsoft services > Uncheck unnecessary services > Select Apply . Uncheck unnecessary services - Step 3 : Select Startup tab > Click Open Task Manager . Note : For Windows 7/Windows 8 versions, you can operate directly on the Startup tab without needing to go to Task Manager. Select Open Task Manager - Step 4 : Right-click on the application you want to disable from starting with Windows > Select Disable . Turn off applications that launch with windows Turn off background applications on Windows On your Windows computer, there are many applications running in the background without your knowledge. These applications are one of the reasons why your computer crashes or works very slowly. Therefore, you need to turn off applications running in the background on Windows when your computer has operational problems! To turn off applications running in the background on Windows, do the following: - Step 1 : Enter the keyword " background apps " into the search box > Select Background apps . Select Background apps - Step 2 : Select the application running in the background, click the Off bar to turn off the application. Turn off applications running in the background on windows