Computerhilfen tech-tips

Two easy ways to use the tools "curl" and "wget" with an URL that has an ampersand ("&") in it: That is important to send more then one parameter with the URL to a skript on a webserver. On a website you can send multiple parameters as a GET-Request via the URL: The first URL-parameter is divided with a questionmark „?“ from the file-name, all other parameters are divided with the ampersand „&“:website.php?parameter1=1&parameter2=2&... Read more...

Want to see a large version of an Instagram profile picture? That's not as easy as viewing the fullscreen version of any other Instagram photo, but with this tip it's possible! By just clicking on a profile picture nothing will happen - or Instagram will play the latest story that this Instagrammer posted.To see the large version of an Instagram profile image, you can't use the app but must use the Instagram API - or a tool that uses this API and let's... Read more...

Want to send a heart sign (♥) in an email, in a chat conversation or on facebook? No problem, on a Windows PC you only need two keys! It’s harder if you have a notebook without a numpad or a Mac – then the easiest way is to select one of the heart signs here on this page, copy it and paste it where you want to show your love sign.On a PC with keyboard that has a numpad on the right, it’s really easy to make that heart symbol, just press the “... Read more...

If you get the error message "The program can't start because MSVCP140.dll is missing from your computer. Try reinstalling the program to fix this problem" or "The program can't start because VCRUNTIME140.dll is missing from your computer. Try reinstalling the program to fix this problem", you are missing one or more important dll (Dynamic Link Library) files that are needed to run the an app.They belong to Microsofts Visual C++ Studio 2017 and are... Read more...

If you are missing a dll file called "MSVCR120.dll", "MSVCP120.dll" or "MFC120.dll", some programs might not want to start. The dll files (Dynamic Link Library) belong to Microsofts Visual C++ Studio 2013: they are needed if a programmer used this studio to develop the app.If one of the dll files is missing, you'll get an error message like this "The program can't start because MSCVR120.dll is missing from your computer. Try reinstalling the progra... Read more...

To start your Paspberry Pi you'll need a password in most cases: The username is "pi" and the password "raspberry". But for some actions your normal user rights are not enough to change or edit some system files: therefore you have to be "root" or "super-user". Raspberry Pi root password: When user „pi“ is not enough!Some actions on the Raspberr Pi require more than the normal user-rights of the pi user: To edt the configuration files or... Read more...

If you want to use the Raspberry Pi mini-computer with it's programminglanguage Python to access the Pi's GPIO ports you first have to make sure that all needed Python libraries are installed. If an important library is missing, you'll get the "ImportError" - like the „ImportError: No module named ‚RPi'“ or „ImportError: No module named ‚RPi.GPIO'“ if the library for the GPIO ports is not installed yet.Don't worry, that's easy to solve ... Read more...

If you want to make a Windows screenshot but always get the annoying Easy Capture Manager when pressing the screenshot key, you've come to the right place: We show you how to get rid of the Easy Capture Manager! This is an app that comes with your Samsung or HP printer software and is part of the Easy Printer Manager - but if you are used to making screenshots the classical way, this can be quite disturbing.Sad news first: You can't simply deinstal... Read more...

Looking for a Samsung printer driver or the Samsung printer or scanner software (like the "Easy Document Creator" or the "Easy Printer Manager")? Don't worry, they are still available for download! Samsund sold it's printer branch to Hewlett-Packard: In order to download drivers and software you'll get it from the HP website now!» Download Easy Document Creator and Easy Printer ManagerOn that website, click on "software" to expand the tab. Yo... Read more...

Screen rotation - how to rotate your Windows screen: Is your Windows screen suddenly turned upside-down? Don't worry, there are a few possible keyboard shortcuts to rotate your screen back to normal! If they do not work, you can also rotate your Windows screen in the display settings: We show you how to change the settings in our video below! Screen rotation with your keyboardSince Windows 7 you can change the screen rotation with keyboa... Read more...