Computer & smartphone Tips Trick

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.

How to cancel sent 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. To setting undo sent : 1. From the main window of web Gmail, 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.

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.

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

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.

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.

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.