Lưu Phương CameraTin Học Lưu Phương · Cameras · Computer Repair · Networking 📞 0967 799 910
Cẩm nang sửa chữa

24 common computer & printer issues

A round-up of the computer, laptop and printer/ink issues customers run into most — see which one matches your machine, we check and give a clear quote before any repair.

Things worth knowing

1
🖥️ Won’t power on / won’t start

We check the power adapter/PSU, mainboard and RAM, and fix shorts or faulty power components.

2
🖥️ Slow startup, stuck on the Windows logo

We check the hard drive and startup services, and fix or reinstall the system as needed.

3
🖥️ Blue Screen of Death

We check RAM, drivers and the hard drive to find whether it’s a hardware or software cause and fix it correctly.

4
🖥️ Slow, freezing with several apps open

System cleanup, RAM/drive check, and upgrade advice if the spec is too low.

5
🖥️ Loud fan, overheating, shutting off

Fan cleaning, reapplying thermal paste, and checking the temperature sensor.

6
🖥️ Lost wifi, unstable network

We check the wifi driver and network card, and reconfigure the connection to your router.

7
🖥️ Hard drive clicking, S.M.A.R.T. error

Back up your data immediately, check the drive condition, and replace it with a safe data transfer.

8
🖥️ Virus, ransomware, constant pop-up ads

Virus scan and removal, uninstalling malware, and recovering encrypted data where possible.

9
🖥️ Laptop screen lines, no picture, discolouration

We check the screen cable, panel and graphics card, and replace faulty parts.

10
🖥️ Unresponsive laptop keyboard/touchpad

Cleaning or replacing the keyboard/touchpad, and checking drivers and internal connections.

11
🖥️ Loose, clicking or broken laptop hinge

Tightening or replacing the hinge to match your model, fully fixing the clicking noise.

12
🖥️ Battery wears out fast, won’t charge

We check the battery, charging port and circuit; replace a worn battery or fix intermittent charging.

13
🖥️ Windows/Office unlicensed, activation errors

Reinstalling licensed Windows and licensed Office in any version, fully clearing the activation warning.

14
🖨️ Fresh ink refill but smudged, faint print

We check the ink just refilled, clean the print head and recalibrate for sharp printing.

15
🖨️ "Waste ink tank full" warning

Properly resetting the waste-ink counter after refilling so the printer works normally again.

16
🖨️ Horizontal or vertical streaks in prints

Cleaning the print head/drum, checking ink and roller, and recalibrating the print head.

17
🖨️ Print head clogged from sitting unused

Specialised print-head cleaning, clearing dried ink, and a test print before returning the machine.

18
🖨️ Printer light keeps blinking, unclear error

We check the error code for the specific brand (Canon, HP, Brother, Epson) and fix the real cause.

19
🖨️ Ink overflow warning, ink leaking out

We check the amount of ink injected, clean the ink chamber, and handle the overflow to protect the circuit board.

20
🖨️ Printer says out of ink right after refilling (false reading)

Resetting the ink chip or the ink-counting software for the specific model.

21
🖨️ Cartridge/drum worn out after long use

We check the drum condition and replace it when worn so prints are sharp again.

22
🖨️ Paper jams right after refilling ink

We check the paper tray and roller, and make sure the ink cartridge is seated correctly.

23
🖨️ Odd smell or light smoke after refilling

Check immediately — this can be due to poor-quality ink or an incorrect refill; switch to the correct ink for safety.

Whichever issue on this list matches your machine, call or message us on Zalo so we can check and quote a clear price before any repair.

Message us on Zalo

Other services at Tin Học Lưu Phương

← Back to the homepage (Vietnamese) for the full product catalogue