Chip level motherboard repairing pdf free download

Laptop Chip Level Repair Guide. Ibrahim Alsaidi. A short summary of this paper. So the signal is very important for a laptop mainboard to working properly. The timing sequence is important, and must need to follow.

If one of the step missing or incorrect timing, it will cause the mainboard not working. Even the markets have many brands laptop, but all or most of them are just using the Intel or AMD platform chipset only. So the same chipset is using the same timing sequence to work. And then we can just learn these two main chipset timing sequence, we can handle and repair the laptop easily. All of them are using the third party company design laptop mainboard to build their own brand laptop computer.

This is because the branded computer company they want to earn more money and cut the cost to build a laptop computer. The OEM company is responsible to manufacture the product, but not include the product design and research.

But the ODM company is do all these thing, so the branded computer company just put their brand name and model into this laptop as their new model of laptop computer. These OEM company have a huge market percentage on production of laptop mainboard. After dismantle the laptop and found it different brands and models of laptop, but they also use the same laptop mainboard. So their mainboard circuits, timing sequence and repairing steps also the same.

We need to know how to identify the laptop mainboard part number and their OEM manufacturer by which company. Once the most popular nVlDlA has quit the chipset industry in , on the market, the notebook computer products with nVIDlA chipset are few. The red indicates that the signal is in the current layer, and the yellow indicates that the signal is in the other layer. Here is the common use operations and shortcut menu shown in figure Common in ThinkPad and Apple, some models of the latest Lenovo also use this way.

It controls the input device and output device of the computer system, and is a hub connected the software program and hardware device. For the PC, B1OS includes the controlling keyboard, display screen, disk drive, serial communication device and some other functions of the code.

This chapter focuses on the boot process and Intel standard timing. In the repair of the laptop, in most cases, Timing applied on the power-on part in the system boot, so also called Power Sequence. So literally, timing is time and sequence. The motherboard from standby to power-on, and then to CPU work, we feel just a short time.

And the motherboard made so much action; it will strictly obey an established order, that is to say, in the process of these steps, if the first step isn't completed. The tools they had there were an old school multimeter, solder, iron. Any and all damaged jacks. Shopbop Conputer Fashion Brands. Customers guidde bought this item also bought. About the Author About the author: Also wondering what cheap tools you might suggest I add to my line Next check all the resistors around max and change it if it has any sign of watering, still no good.

No power, no lights. Hope you will do better for the next version. I brought a desolder pump, capacitance meter, copper braid. Cashback within 3 days from shipment. You are going to waste a great deal of time trying to troubleshoot to the component level. Remove the power adaptor once switch on, battery keep the ni running, ok. Computronix Bholav, Bharuch — This book will show you not only how to repair a Laptop Computer, it will instruct you on how to repair the Laptops Motherboard.

Decently common and the parts only cost a few cents. What do you need help with? It may cost a little more but its worth spending the money you will never regret gkide. Very good, but in some areas this book needs some more thourough explaining.