Computers can't catch wifi
This is one of the most common errors on Windows laptops, often due to faulty network drivers, wifi turned off or modem problems.
Solution: Check if wifi is turned on or not → Restart the modem/router → Forget the wifi network and reconnect → Update the network driver or use the Network Reset feature on Windows.
The computer is not on the screen
Computers still have power but screens that do not display are often related to connection cables, RAM or graphics cards.
How to fix it: Check the power cord and HDMI cable, DisplayPort or VGA → Remove and reinstall RAM → Check the graphics card → Try connecting to another screen to determine the cause.
Blue screen computer
Blue Screen of Death (BSOD) errors often appear when Windows encounters serious errors related to drivers or hardware.
How to fix it: Launch into Safe Mode → Update or remove newly installed drivers → Check RAM → Run sfc /scannow and chkdsk commands to fix system errors.
Computer loses sound
If the computer does not emit sound, the cause may be due to the installation of the player or audio driver.
How to fix it: Check volume → Choose the correct audio player → Restart Windows Audio service → Update audio driver.
Computers do not accept printers
This error often occurs when the printer driver is faulty or the connection between the computer and the printer is unstable.
Check USB cable or wifi connection → Set printer as default → Restart Print Spooler service → Update or reinstall printer driver.
Computers do not receive hard drives
The hard drive is not displayed may be due to a loose SATA cable, BIOS not receiving the device, or the hard drive has a problem.
How to fix it: Check the connection cable → Check in BIOS → Open Disk Management to assign drive characters → Update storage driver.
Computer cannot type Vietnamese
This is a common error when using UniKey or EVKey.
How to fix it: Check if the keyboard is turned on → Choose the correct Unicode and Telex or VNI → Run UniKey with permissions → Reinstall the keyboard if needed.
Computer turns off or resets automatically
This condition often stems from overheating, faulty RAM, or unstable power supply.
How to fix it: Clean the cooling system → Check RAM → Update Windows and drivers → Check the power supply or laptop battery.
Slow computer
After a long period of use, Windows may operate slowly due to too many applications or the hard drive is almost full.
How to fix it: Uninstall unnecessary software → Turn off applications starting with Windows → Clean the hard drive → Scan for viruses and update the operating system.
Computer does not receive USB
This error may be due to a USB port, driver, or the USB device itself having problems.
How to fix it: Try plugging to another USB port → Check USB on another computer → Update USB driver → Restart computer.
