How to Set Recovery Mode on iPhone

Recovery Mode on iPhone is needed when you want to set your iPhone to factory default setting using iTunes.

To enter to the Recovery Mode on iPhone :

• Turn off the iPhone,
(Press and hold power/sleep button for about 4 seconds, then touch and slide from left to right on slide to power off that appearing on the screen). Wait until the iPhone is really off.

• After the iPhone is off, Press and hold Home Button,
• Still hold the Home button, connect iPhone to Computer using iPhone data cable ( holding the Home Button until Recovery Mode appears on the screen).

Using PC Keyboard for Android Device

When you have to write many words in your Android device, computer tablet or Smartphone, it will be easier and faster if using external keyboard, you can use the computer (PC) keyboard.

USB keyboard is used for Android Tablet

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How to set Default Web Browser in Windows 10

When click the link of web address from document, pdf, doc office, xls, etc, and you want the link is opened by your favorite browser, then you have to set the browser to default browser.

In Windows 10 to set default internet browser :

1. Right click at Start Menu.
2. Then choose Control Panel.

3. In Control Panel window, choose Default Program.

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Where is Ms Paint in Windows 10

You will not see the Ms Paint at Start menu All Apps or the shortcut on the Desktop in Windows 10.
The App file is still inside the Windows but not be shown in the Start menu All Apps.

To run Ms Paint in Windows 10, you can directly by using the run command, or you can create the shortcut on the desktop.


1. Using Run Command:

Press Windows logo + R 
Type:  mspaint  then press Enter or click Ok.

Then the App will run.


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how to know who are connected to my wifi

To know who are connected to your wifi with easy and without login to the wifi/router device.

Use your smartphone Android or iOS and install an application named : Fing
Fing is a network scanner tool, easy in using, fast, and accurate,   you will know the ip address and the MAC address (media access control address) of all devices connected to the Wifi.

Open Google Play Store (Android) or App Store (iOS), then search the app using keyword: fing,
then choose Fing-Network Tools from Domotz.ltd and install it.

After installed, run the Application.
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Solve ADSL is always down TPLink Wireles N ADSL2+ Modem Router

I still have Internet connection that use PSTN line with ADSL Modem.
within a few days backward, it had a problem, the connection was not stable, could be seen from the ADSL LED indicator, it would be down, initialize again, up and down again, of course the internet connection also would be down, wait, up  and down again.

Step what I did :
Check the telephone line, make a call. It was no problem.
Cleaning all sockets (using contact cleaner) from outdoor terminal until the socket at the modem. The result: connection was better, but ADSL LED indicator was still not stable.
I try to replace the splitter, the result : still not stable

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How to Restore Mikrotik Configuration

To restore configuration of Mikrotik router board from the backup file :
• Open Winbox
• Login to your mikrotik using Admin privilege  
• Go to Files menu
• Select the backup file. If the backup file is not in the list (other location/drive or flashdisk), you need to copy and paste the backup file to this window.
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How to Backup Mikrotik Configuration

It is very important to get the backup configuration for your Mikrotik router board. The backup file configuration will be needed when your mikrotik router board has error on it's configuration, or want to clone the configuration to other Mikrotik router board.

To Backup Mikrotik router board configuration :

1. Open Winbox.

2. Login to your Mikrotik (use admin/full group member).

3. Go to Files menu.

4. To start backup, click Backup.

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How to Run Hiren's Boot CD on Flash drive

How to create Hiren's Boot CD on a flash drive, so you can boot your computer using Hiren's Boot CD from a flash drive.

• Take a flash drive with size of 1 GB ,  you can also use a bigger size but the bigger  will take longer time when it is formatting, because we will use full format not quick format.
• Format the flash drive same as usual when you format your flash drive (using file explorer, right-click the flash drive, then choose format ). but has a little different :
File system set to FAT32.
Don't give a tick on Quick Format.
Click Start to start formatting.

• Download the file: grub4dos.zip (179 KB), then extract it to the folder.
• Run the file : grubinst_gui.exe.

Select your flash drive, click refresh if not yet appear.
At the Part List, choose Whole Disk (MBR). click refresh if not yet appear.
Click Install.

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Easy way to see the shared folder

Sometime we forget to stop folder from shared. when friends in office need other files we create a new shared folder again. so we will have many shared folders. this is not recommended because one of the ways of virus spread is caused by shared folder. Better always to stop sharing folder after it is not used again.

In Windows to see all shared folders with easy way, you can do by write the command in the RUN dialog. Type  Fsmgmt.msc then hit Enter or click OK.

The Shared Folder page will appear.
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How to know Windows Version

To know detail Windows version, Windows has special command, you can use Run dialog or use the Command line / Command prompt.

Press Windows key + R to open Run dialo.
Type winver  then click OK or press Enter.

Command 'winver' to open Windows About

Then you will see detail about Windows.

About Windows :  Windows 10

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