Thursday, August 9, 2018

Electric shock when touching computer body

Electric shock on PC body/case occurs generally due to leakage of components in the PSU (Power Supply Unit). If electric shock is weak it can still be overcome, but if it feels strong don't take risks, immediately bring your PC to the service center.

Actually, if the electrical installation at home or office meet the standard, which are equipped with electric grounding (has connection to the ground/earth), this electric shock can be avoided.



Wednesday, August 8, 2018

How to undo send Gmail

Web Gmail gives an option to cancel sending the email after you click the send button.
You can make enable the Undo Send option and choose how long time the Undo button will appear, 5, 10, 20, or 30 seconds.

1. From the main window, choose gear(settings) icon.
2. Then choose Settings.
3. Give a tick at Enable Undo Send (Gmail classic), no need for new version of Gmail.
4. Choose time for Send cancellation period. 5, 10, 20, or 30 seconds.

Monday, August 6, 2018

Remove saved password in Mozilla

How to remove saved password in Mozilla Firefox Internet browser.

When you already saved your login password such as for web email, and now you want to remove it from Mozilla Firefox browser :

1. Copy this code/address :
about:preferences#privacy  
2. Paste it to the address bar of Mozilla Firefox browser.

Friday, August 3, 2018

How to Remove Saved Password on Chrome

To remove saved password  in Google Chrome browser :

Way 1

1. Go to Menu (at top-right with  vertical 3 dots icon)
2. Choose Settings.

3. Scroll down and choose Advanced.
4. Scroll down and  look for Manage Passwords


Thursday, August 2, 2018

How to save password in Chrome

In the Google Chrome browser (also others), when you log in to the network resource that need a password, like email, blog, and more,  after entering it will ask you whether you will save the password or not for make easy login in the next time.

In the Chrome you can choose Save or Never.
If you choose Save, next time when you log in, you don't need to enter the password again.
And if you choose Never, next time when you log in of course you need to enter your password, and the notification for asking to save password will not appear again.



Tuesday, July 31, 2018

How to know IP address on Mac OS X

To see IP address on Mac OS X / OS X / macOS.

When connecting to the LAN or to the Internet, every computer  has an IP address on it to identify each computer using the Internet Protocol to communicate over a network.

In Mac computer,  Mac OS X / OS X / macOS, you can see the IP address using Terminal by typing the ifconfig command, or you can see from Network menu in System Preferences.

To know IP address using Terminal :
1. Open the Terminal
(There are several ways to go to Terminal in Mac OS, you can see my previous post Ways to open terminal in mac OS X )
2. After Terminal window is opened, type ifconfig then hit Return (Enter).
You will see the IP address.

Thursday, July 26, 2018

Why is my Android Battery Low so Fast ?

Why my android battery dying so quickly?



The causes of Android smartphone battery is running out:

1. Battery is already weak
2. Many applications are running (may be in the background)
3. GPS is always on
4. Performance of hardware is weak there is a broken /short circuit component.




1. Battery performance is weak.

Generally in all electronic devices, the battery is one of the fastest components that experience weakening performance, it has a usage life, someday will become damaged.
If battery is already damaged, the solution is to replace with the new one.


2. Many applications are running in the background.

Wednesday, July 25, 2018

Several ways to open Terminal in Mac OS X

Terminal is a program that provides a command line interface to monitor and control the operating system.

In Mac OS X / OS X / macOS there are many ways to open  the Terminal.

Way 1 . From Favorites menu.

1. Click Finder located on the Dock (The Dock is a quick access menu to your most frequently used applications, folders, and files. Located at the button).
2. Select Applications.
3. Choose Utilities.


4. Then select Terminal.

Saturday, July 21, 2018

How to show Windows version in Desktop, Windows 10

Displaying Windows version on the desktop of Windows 10.

Usually, if we want to see the Windows version by going to the File explorer, right-click on This PC then select Properties, it will display information of the computer, including information about the Windows version installed.

Other than that way, we can also display the version of installed Windows on the desktop.
Same as in previous windows, Windows 8 and 7, Windows 10 can also displaying the version, build and release on the desktop, located  at the bottom right of the screen.




Thursday, July 19, 2018

6 Ways to Shutdown Windows 10

There are many and different ways to shutdown your Windows 10 computer

You can shutdown a Windows 10 computer in various ways, from the menu already provided in Windows itself or you can make a shortcut for faster and easy click.

Here are 6 ways to shutdown in Windows 10 computer.

Wednesday, July 18, 2018

SMS / text message through computer

The use of SMS (short message service) today is already decreased, people move to other applications whose function is not only to send text messages, such as WhatsApp, Line and other social media.

But there are still many people who using SMS,  with reason SMS is very simple, focus to text message not disturbed other things that do not need.

Tuesday, July 17, 2018

Move Screenshot Folder Windows 8 and 10

To take a screenshot in Windows 8 and Windows 10, we don't need  the additional tool or software, unlike in previous Windows versions. Now just press combination keys Windows+Prt Sc (Windows key+Print screen key), it will automatically take a screenshot with PNG file and saved in Screenshots folder. Default location is in Pictures\Screenshots, and the actually target folder location is   C:\Users\<username>\Pictures\Screenshots.

With certain considerations, for example easier backup, easier to manage screenshot files, etc., we can change the target folder location as we want.

For example I want to move the screenshot folder to drive E:\Captures

1. Open File Explorer (was Windows explorer), create a new Folder in drive: E with name: Captures.
2. After creating the folder, then browse to This PC\Pictures
3. Right-click on the Screenshots, then select Properties.


4. Select the Location tab.
5. Click the Move button.

Monday, July 16, 2018

How to create Shortcut in Android

Easy way to create shortcut in Android.

If you often open a file or a particular document, image/photo, pdf, audio, video, etc, it will be easier if you creating a shortcut of the object and put it on the main screen. Also if you often go to inside the Settings menu for example, better to create the shortcut.
To create shortcuts on Android the easy way by using an application named Shortcut Creator.

To install, go to the Play Store and search the app with the keyword : Shortcut Creator. There are many search results, I recommend to choose Shortcut Creator from Alex TernHome (see picture).

Shortcut Creator, Alex TernHome

Sunday, July 15, 2018

How to Disable Command Prompt Windows 10

For someone who expert with DOS, he can do everything through the Command prompt, entering to the system, change the configuration, etc.


To prevent others while use your Window computer  from entering to the command prompt, you can make it disable.

To disable Command prompt in Window 10 the easiest way is through GpEdit (Local Group Policy ditor).
You can also use the Registry editor. But in this post will use  the Local Group Policy editor


How to disable Command prompt using Gpedit:

1. Press Windows + R key (to enter Run), then type gpedit.msc click OK or press Enter.

Thursday, July 12, 2018

Solve: The virtual machine appears to be in use

In my VMware Workstation I couldn't  open the VM (Guest OS), it had a warning: The virtual machine appears to be in use, whereas the VM is not being used. there is an option to Take Ownership, but after clicking the Take Ownership button, VM still couldn't be opened.

warning: This virtual machine appears to be in use

Still couldn't be opened after clicking Take Ownership button

Wednesday, July 11, 2018

Change Documents Folder Location Windows 10

'Documents' in Windows ('My Documents' in previous Windows, Windows 7, Windows XP ), is a special folder for saving the documents.

This folder (Documents) is actually a shortcut from the actual folder which by default is located in C: \Users\username


For a reason, you can change the actual folder location. example to avoid lost data when Windows has error or has a problem.

How to move the location of Documents folder from  default location to the new location as you want.

1. Open File Explorer.
2. Right-click on Documents.
3. Select Properties.


Monday, July 9, 2018

Make Profile Photo without Cropping

An easy way to create a Profile Photo without cropping for WhatsApp, IG, Google, Line, Facebook, etc.

Profile photo of all social networking applications generally require image of the same size for width or height (square) or  with aspect ratio 1: 1. While in general aspect ratio produced by the camera is 4: 3 or 16: 9 (wide).
In order to become Profile Photo with aspect ratio 1:1, the photos with  4: 3 or 16: 9 aspect ratio of course it will be cropped.

There is a solution if you want to make a photo with 4: 3, 16: 9 aspect ratio becomes a profile photo without cropping. You can use a simple App for smartphone Android or iOS named No Crop.

No crop apps change the image with any aspect ratio, change to 1: 1 aspect ratio by increasing the required image size and giving effect to the additional area.
Below is an example, you can see the additional area to get 1:1 aspect ratio.

Saturday, July 7, 2018

How to Install Fake GPS

With Fake GPS application, you can manipulate the location  where you are in, because the input is not from satellite but it is chosen manually by user.
The applications those use the GPS will not know whether it is real GPS or fake GPS.

To install Fake GPS for Android :

1. Go to Play Store, Search the app with keyword: Fake GPS. There will be many search results, I recommend Fake GPS Location from Lexa, (see the capture below).
Tap Install button to start installing.


Thursday, July 5, 2018

Easy way to tune a guitar

If you have a guitar without tune module on it, you can use your smartphone to become an auto guitar tuner.
With an auto guitar tuner you don't use your hearing, let the smartphone detect and say that the tone is too low or too high, and then you set the tuning key of the guitar to get the right tone.

For this purposes I recommended you to use the smartphone application named Guitar Tuna. It support for Android and also iOS,



Go to Google Play Store (Android) or App Store (iOS) and search the app with keyword: guitar tuna.


Wednesday, July 4, 2018

Why can't I see my friend status on WhatsApp

Why I can not see my friend's status in WhatsApp while I'm sure he/she has just updated his/her status.
The are  two possibilities:

First, your name is not in your friend's contact. although you have him/her in your contact but if your name is not in your friend's contacts, then you can not see your friend's status.
Means if you want to see the status of your friend, ask your friend to put your name in his/her contact.

Second. Your name is in your friend's contact list but in your friend WhatsApp Privacy status setting, your name is in the list that can not see status of your friend. In this case it means that your friend intentionally blocked you from seeing his/her status.


Tuesday, July 3, 2018

How to display Android screen on monitor, TV or Projector

The easy way to display Android screen (also iOS) on TV, PC monitor, or projector by using  Mini HDMI Wi-Fi Display TV Dongle Receiver.


There are many products for this purpose, I choose the Anycast M2 plus, the price is cheaper and the the quality is relatively good.

Installing and operating  this Anycast M2 is easy. The Pc monitor, TV, or projector must have the HDMI port input

How to install and use Anycast M2 Plus :

There are two separate modules for Anycast M2 Plus, a series of cables consisting of a wifi module equipped with a USB terminal as input for its power supply. Then another one is the main module that is Anycast display receiver.

Monday, July 2, 2018

Too much hard drive activity windows 10

If you are sure there is no virus on your Windows computer, no your application is running in the background, like Antivirus on the scanning process, etc.  and you still see the hard drive indicator is always busy. or from the task manager the disk activity get the high value 90% or more. whats is the cause?.



One possible cause is : the computer is optimizing your hard drive, defragmenting  the drive. This is happen because at default Windows 10 has optimization schedule automatically which it is set one time a week.

You can set/change the optimization schedule, or you can stop/turn off it (manual defragment process).

Sunday, April 29, 2018

Create Ubuntu Bootable USB from Windows

How to create Ubuntu bootable USB flash-drive using Windows. All Windows, Windows  XP, Windows 7, Windows 8, Windows 10 , 32 or 64 bit.


The easiest way to create bootable Ubuntu USB, by using small tool named Rufus.

1. Go to Rufus website at https://rufus.akeo.ie/  '
Download the tool, install it, or you can choose portable version.
2. Use a flash-drive with a minimum size of 2 GB.
3. Run Rufus. See the picture below for the option must be set.
4. At Device column, choose your USB device target.

Thursday, January 4, 2018

How to see Whatsapp status without letting them know

In the default setting of WhatsApp when you see the status of your contacts, they will know.


To make they are not able to know whether you see or not their status :

1. From main page of WhatsApp,  tap the Menu ( 3 verticals icon, up right side).
2. Choose Settings.
3. Choose Account.
4. Choose Privacy.

5. Go to the Read receipts, Uncheck it.