Prevailing wisdom is that at least 5 minutes—and ideally 15 to 20 minutes—a day of ventilation significantly improves indoor air quality. For a strong ventilation, open the front and back door, along with windows on the path in between, to get the baddies out. How often should you air out your house? Starting with the […]

Why MP4 videos are not playing? As you can see, problems with MP4 files aren’t related to Windows 10 itself, they are related to video codecs that might not be installed on your computer. And the only solution is to download and install the codecs, or to use a third-party multimedia player. What program will […]

To play an MP4 File on your PC, you are required to have a media player that does so. If you are using Windows Media Player version 12, it will be able to play your MP4 Video, but if you have version 11 or below, you will have to install a codec or use a […]

The easiest way to play MP4 files is to double-click the MP4 and let your computer decide which default application should open it. Since most people already have Windows Media Player or QuickTime installed, the MP4 should open automatically. What program opens MP4 files? How do I open an MP4 file? Most popular media players […]

Go to Settings > Personalization > Lock screen. Under Background, select Picture or Slideshow to use your own picture(s) as the background for your lock screen. How do I change my Lock screen wallpaper? How to change the lock screen on an Android to a default wallpaper Open your device’s Settings app. From the settings […]

Get into your Lenovo laptop with the old password. Press “Ctrl + Alt + Del” keys at the same time on keyboard. Click on “Change a password”. Press “Windows + R”, type in “cmd” and press Enter to open Command Prompt. Type in the command: net user <user name> <new password>, and press Enter to […]

To check if Windows 7 SP1 is already installed on your PC, select the Start button, right-click Computer, and then select Properties. If Service Pack 1 is listed under Windows edition, SP1 is already installed on your PC. Does Windows 7 have a service pack? The latest service pack for Windows 7 is Service Pack […]

To check if Windows 7 SP1 is already installed on your PC, select the Start button, right-click Computer, and then select Properties. If Service Pack 1 is listed under Windows edition, SP1 is already installed on your PC. How do I check what service pack I have? Right-click My Computer, found on the Windows desktop […]

What Can a Scammer Do With My Email Address? They Can Impersonate You. They Can Crack the Passwords on Your Other Accounts. They Can Use It to Crack Email-Based Two-Factor Authentication (2FA) They Can Collect Sensitive Information. They Can Steal Your Identity. They Can Learn When You’re Out. What can a hacker do with your […]

If you got a phishing email, forward it to the Anti-Phishing Working Group at [email protected]. If you got a phishing text message, forward it to SPAM (7726). How do I report a scam email? If you believe you’ve been targeted by a scam involving the U.S. Mail, you can get help by contacting your nearest […]