Tuesday, September 15, 2026

Why Does Ubuntu Keep Freezing Randomly After Login?


Ubuntu is known for being a stable and reliable Linux distribution, but some users may experience a frustrating problem where the system freezes randomly shortly after logging in. The desktop may become completely unresponsive, the mouse may stop moving, applications may stop responding, or the entire screen may appear stuck.

Arduino Uno Mati Total Setelah Salah Memberikan Tegangan


Arduino Uno merupakan salah satu board mikrokontroler yang banyak digunakan untuk belajar elektronika, membuat proyek otomatisasi, robotika, sensor, dan berbagai perangkat berbasis Internet of Things (IoT). Meskipun cukup mudah digunakan, Arduino Uno tetap memiliki batas tegangan tertentu. Kesalahan saat memberikan sumber daya listrik dapat menyebabkan Arduino mengalami masalah, mulai dari tidak bisa menyala hingga mati total setelah salah memberikan tegangan.

Monday, September 14, 2026

How to Reduce High CPU Usage on Linux


High CPU usage on Linux can make a computer feel slow, cause applications to become unresponsive, increase system temperature, and reduce overall performance. Although Linux is generally efficient and stable, background services, misconfigured applications, system processes, browser tabs, and hardware-related problems can sometimes consume an excessive amount of CPU resources.

Arduino Uno Menyala Tapi Program Tidak Berjalan


Arduino Uno merupakan salah satu board mikrokontroler yang banyak digunakan untuk belajar elektronika, robotika, sistem otomatisasi, sensor, dan berbagai proyek Internet of Things (IoT). Salah satu masalah yang cukup sering terjadi adalah Arduino Uno menyala tetapi program tidak berjalan.

Sunday, September 13, 2026

How to Fix Fedora Black Screen After Login


A black screen after logging into Fedora can be frustrating, especially when the login screen appears normally but the desktop suddenly becomes completely black. In many cases, Fedora itself has successfully booted, but the graphical desktop session fails to start correctly.

Cara Flash Bootloader Arduino Uno


Bootloader Arduino Uno merupakan program kecil yang tersimpan pada memori flash mikrokontroler ATmega328P dan berfungsi untuk membantu proses upload sketch melalui koneksi USB tanpa membutuhkan programmer khusus. Jika bootloader mengalami kerusakan, terhapus, atau mikrokontroler ATmega328P diganti dengan IC baru yang belum memiliki bootloader, Arduino Uno biasanya tidak dapat menerima program melalui cara upload biasa.

Saturday, September 12, 2026

How to Repair GRUB After Installing Windows


Installing Windows alongside Linux in a dual-boot configuration is a practical way to use both operating systems on the same computer. However, one common problem can occur after installing or reinstalling Windows: the computer may no longer show the GRUB boot menu and may boot directly into Windows.
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