hp screen not working

HP Notebook splash screen is a common fault. Maintenance of HP notebook flower screen failure, we must understand the HP notebook Flower screen fault phenomenon, after the phenomenon of notebook fault to understand the cause of no

Today from the computer room sent back machine can not start, often troubleshooting a variety of problems, just solved the problem can not start, and met the illegal opcode error, after various methods, finally solved 　　HP 380 G6 Installation SuSE 10Illegal opcode red screen error (HP 380 G6 installation SuSE 10) Problem resolution Environment

Phenomenon:HP Notebook Press the Power on key after the lights, but the screen is always black, only the CAPS LOCK key flashes, flash 3 times a cycle, listen to the fan rotation sound, hot air, CPU should also be working, ask what is the problem.Solve (I follow the red to do it, it is really strange ...) ):Hello, thank you for choosing HP products.1, your noteboo

Hewlett-Packard has launched touchsmart tx2 rotating touch screen notebook. In early January, the company showed touchsmart TM2 in the CES International Consumer Electronics exhibition, foreign media have recently brought us out-of-the-box videos for this notebook. Touchsmart series notebook rotating design allows users to change from a notebook to a touch screen tablet according to different needs. In ter

Reference: http://blog.chinaunix.net/uid-22174347-id-1786941.html ========================================================== ============================ Development Environment Compilation System: fedora9 Compiler: arm-linux-4.4.3 Master chip: S3C2440 Development Board: mini2440 ========================================================== ============================ I. Working Principle of resistive touch screenIi. S3C2440 resistive touch

even a black screen. Countermeasure: First, check whether the external connections and internal connections are smooth. External connections include displays and host power supply. There is a connection between the host power supply and the host Power Supply interface (sometimes poor contact ). The common cause is that the memory of the video card is exposed to dust in the air for a long time due to the usage of the memory. As a result, the oxide lay

Address: http://www.dzsc.com/data/html/2010-11-8/86953.html Abstract: This paper briefly introduces the structure and working principle of the touch screen. Taking the touch screen control chip ADS7843 of Burr-Brown as an example, it introduces the typical circuits and operations of the touch screen application. Due to

Touch-screen Initialization1. Set the ad conversion clockAdccon (12. Set Interrupt Masking2.1.TC interrupts, which can occur when a finger touches or moves away2.2.ADC interrupt, interrupt generated when ADC conversion is completeEnable TC Interrupt, shielded ADC interrupt, poll to see ADC interruptIntmsk ~ (1Intsubmask ~ (13. Enter the wait interrupt mode (press)ADCTSC 0xd3TC Interrupt Handling1. Start XY coordinate auto-conversionADCTSC (1Adccon (12