The installation of the Keil5 ST-Link driver is a crucial step in embedded development, used for connecting to STM32 microcontrollers for program debugging and downloading. The installation process is straightforward: first, download the latest ST-Link driver package from the ST official website, extract it, and run the installer, following the wizard to complete the installation. … Read more
After entering the system, if you cannot adjust the screen brightness, there are two possibilities. First, you may need to install a software. Go to the official website’s download section and find the hotkey driver software. After installing it, you can normally use the combination keys to adjust the screen brightness. Second, the graphics card … Read more
This Lenovo E42 laptop has been used for many years since it was released by the company. My E42 might be a budget version, as there are indications on the device that it should have Bluetooth, 3G, and a fingerprint security system among its features. Recently, I bought a Bluetooth module that is claimed to … Read more
Due to changes in the public account’s push rules, please click ‘View’ and add ‘Star’ to follow. Get exciting technical shares at the first time. Hello, how are you? I am Lei Gong! As the saying goes: live and learn. Especially in today’s society, where new things emerge every day, not learning really means not … Read more
After installing Windows, you may find one or more unknown devices with exclamation marks in Device Manager. Even if they have names like PCI Memory Controller, PCI Data Acquisition and Signal Processing Controller, SM Bus Controller, etc., as long as there is an exclamation mark in front, it indicates that the driver is not installed … Read more
Click the arrow and follow us! How to Connect Printer Devices 1. Preparation Before starting the connection, please ensure you have prepared the following items: 1. Printer and its accessories: including the printer unit, power cable, USB data cable (if required for wired connection), ink or toner cartridges (if it’s the first use of a … Read more
Moxa’s serial port devices, such as serial port servers, serial port cards, and USB-to-serial devices, require driver installation to function properly. Sometimes, after installing the driver, issues may arise where the device cannot be used normally. In Device Manager, the device driver shows a yellow exclamation mark, indicating that Windows cannot verify the digital signature … Read more
To ensure that mobile devices can operate normally on a computer, a driver needs to be installed the first time a device is connected to a specific computer. For instance, mobile phones require mobile phone drivers, USB drives require USB drivers, and so on. When you connect a USB drive or mobile phone to the … Read more
The English name for drivers is Device Driver, which is short for device driver program. It is a special program that allows a computer to connect with devices, acting as an interface for the hardware. If this interface has issues, the computer cannot function properly. Therefore, driver programs are regarded as the soul of hardware, … Read more
1. Touchscreen Inaccuracy [ Fault Phenomenon ] A five-wire resistive touchscreen does not perform the corresponding operation correctly when touched on the display screen. [ Fault Analysis and Handling ] This phenomenon may indicate a calibration issue with the resistive screen. The screen calibration program can be run under the following circumstances: (Open the touchscreen … Read more