This HP1723 17 "LCD monitor came with the complaint, no power. On closer inspection, I could at times a soft sound from the two front speakers to hear. Since the speaker can not produce a sound, it means that the PSU is working fine should be and there may be some bad components on the secondary side that had caused the power supply voltage does not fall to just start from. The power LED does not light because the signal was coming from the microcontroller (MCU) IC.This means that when the MCU is not receiving the correct voltage from the power supply, it does not send output to the power LED.

A laptop is a simple and compact computer. Still, its compactness, the reason for the intricacies and complications. For example, while most ordinary PC into a motherboard that has different ports connected to various other components of the computer, a laptop, on the other side has a motherboard that has a lot of things that are built into them, instead of sections in which other parts can be attached. An example of this can be a sound card, as they are often givenbe connected as a separate part for older PCs and must be on the motherboard of a computer. However, the audio and video display card is integrated with the motherboard in the case of the laptop.

A laptop is indispensable for students and working individuals. Due to the portability of user can write important papers, a connection to the Internet via wireless modems and can even movies anytime and anywhere. But without proper care, this machine can break down, and in particular, can have problems with the LCD monitor. Here are some tips to help you in troubleshooting your laptop's LCD monitor can help.

Is there something wrong with the screen? If so,then there is a possibility that the LCD (Liquid Crystal Display is broken) backlight of the laptop. The LCD backlight is the source of light that gives you a clearer visual on your screen. Symptoms of LCD damage are:

We all crawl, when our computers start showing significant interference, software programs that does not begin with the right or a screen to fade in and out. They want these issues resolved quickly and as cheaply as possible. The easiest solution appears on the 'net: diagnose, repair and restart your laptop to be themselves.

For many of these problems, practical solutions can be found online with step-by-step manual written in plain English and with photo-guide, which can be easilyaccepted. For hardware problems, and especially for Dell laptops, especially these exercises in a myriad problems, if you are not experienced with laptop repair.

Gateway Laptop Power Jack Repair from 25 to OnCall / 8

http://www.youtube.com/watch?v=KjOVOLOW1Hc&hl=en