5 Essential Computer Tips to Improve PC Speed, Startup, and Security (Video in Khmer)

Hello friends! Today I show you 5 essential computer tips that help you improve PC speed, startup time, and security. Many people don't know these tip, so their computer become slow and not safe. All video is speak in Khmer, short and easy to follow step by step.

1. How to Make Computer Run Faster

Computer use long time will become slow. This video show many easy way to make your computer run fast again, no need buy new one.

2. How to Fix Slow Computer with 9 Pro Tips

Computer still slow? Here is 9 pro tip to fix it. From clean junk file to check startup program and more.

3. How to Make PC Open Faster

Wait long time when turn on computer? Too many program start together with Windows. This video show easy way to make PC open fast.

4. Why Need to Press F1 or F2 When Startup Computer?

Every time turn on computer, it ask you press F1 or F2 to continue? This is not normal. This video explain why and how to fix.

5. Do This Before Install Program to Avoid Virus and Malware

Many virus come from program you download on internet. Before install, do this first to check file is safe or not.

Quick Tips

Here is some extra tip to go with the video. Try it on your computer!

Clean junk file

Press Windows + R, type %temp% and press Enter. Select all (Ctrl + A) and delete.
Press Windows + R, type cleanmgr to open Disk Cleanup.
Turn on Storage Sense: Settings > System > Storage and it clean auto for you.

Make computer faster

Restart computer sometime. Don't only use Sleep for many week.
Uninstall program you don't use: press Windows + R, type appwiz.cpl.
Keep drive C free at least 15–20%.
Turn off animation: press Windows + R, type sysdm.cpl > Advanced > Performance Settings > Adjust for best performance.
Still slow? Change HDD to SSD. This is the biggest speed upgrade!

Startup faster

Ctrl + Shift + Esc > Startup tab (Windows 10) or Startup apps (Windows 11). Disable program you don't need.
Check Startup impact column. Disable the one say High first.
Don't disable driver or antivirus.

F1 / F2 at startup

Message on screen	Usually mean
CMOS checksum error	CMOS battery is weak or dead
Time and date not set	CMOS battery is weak or dead
CPU fan error	CPU fan not work or not plug
Keyboard error	Keyboard not connect well

CMOS battery (CR2032) is cheap. Change it and set time again in BIOS.

Avoid virus when install program

Download only from official website or Microsoft Store.
Scan file before open: upload to virustotal.com or right click file > Scan with Microsoft Defender.
When install, read every step. Untick extra program or toolbar they try to add.
Don't download crack or keygen. Most of them have virus!
Keep Windows Security turn on and update.

Hope this help you! If video useful, please like, share and subscribe. Thank you!

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