Computerhilfen tech-tips

Chrome 74 will come with a new dark mode for Windows, Chrome 73 brought the dark mode already to macOS. In this article we will show you, how to activate the dark mode in your Chrome browser and why that could be an option.When using Windows or macOS on a PC in a dark environment (e.g. late at night in the bed) the bright screen is uncomfortable to read for many people. Therefore Apple and Microsoft developed a darker theme for the operating system: If... Read more...

Amazon sells their Fire Tablets as cheap and nice tablets that could be perfect for a smart home monitor. Unfortunately they come with a lock screen that cannot easily turned off in the settings. But don't worry, with the Google Android Developer Bridge you can change two important settings to keep the lock screen away!This method also has some disadvantages: You cannot access the settings from the swipe-down menu anymore, the developer options are... Read more...

Since the January Windows Update Microsoft Edge stopped opening local IP addresses on some computers. Microsoft says "After installing KB4480116, some users report that they cannot load a webpage in Microsoft Edge using a local IP address. Browsing fails or the webpage may become unresponsive". Since then it is not possible to open the printer's web-menu or access a local webcam.There is a solution though: You can add the not working IP addresses as a ... Read more...

If you want to delete all data on your microSD- or SD-card or you want to prepare it for its future use, you can format it. This way all data will be deleted and the card is ready to be used again (or for the first time). To format your SD card or you microSD card, you'll need to insert it into your computer. If you have no SD slot, there are many types of cheap USB card readers available.After inserting the card in the PC or Mac, you can format it... Read more...

Have you bought one of the Logitech Alert security cameras that stopped working after a short period of time? 2 out of 3 of our cameras did so - and because Logitech stopped selling and supporting the "Alert" camera, there is no big chance to get them working again. If your camera is not found anymore with the Alert Commander Software and resetting or trying a different SD card didn't work, there is a high chance that your camera is dead, too.Ther... Read more...

If your Raspberry Pi's monitor image is displayed the wrong way round, the screen can be easily rotated in a settings-file. The best way to rotate the Raspberry's screen is via the configuration file "config.txt": Here you can rotate the screen by 90°, 180° or 270 degree.To do this you log on to the Raspberry Pi: either directly with keyboard and mouse or via SSH. Then you switch the user and log in as root. Now you can also edit the configuratio... Read more...

Some Windows' files and folders are hidden: This way they are not that easy to find, because changing their contents could damage Windows or some of the installed programs. In some cases it is a must to open those files or folders: That's why it is easy to make them visible oder hidem them again! Show hidden files an foldersYou have to open a folder (just press the WINDOWS key and "E"). Now select "View" in the menu and click on "Options":... Read more...

If your WhatsApp app is stuck in fullscreen mode, there is a simple solution to get rid of the fullscreen and use the app again in a resizable window: You just have to edit the settings file or delete every WhatsApp data before re-installing the app! WhatsApp stuck in fullscreen: This helps!If you can't minimize the WhatsApp app's window anymore (not the browser's WhatsApp version but the WhatsApp.exe for Windows!) all you have to do is ... Read more...

With macOS 10.14 ("Mojave"), Apple included the all new Dark Mode which makes it easier to use the Mac in the dark. You can easily switch from the normal display appearance to the Dark Mode by opening the "System Preferences". Therefore, click either on it's icon in the doc at the bottom or click on the Apple logo at the top left and select "System Preferences" from the menu.In the new window click on "General" and select "Dark" in the "Appearance... Read more...

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...