How To Analyze and Laptop Service
Laptop repair is to analyze accurately the problem symptoms. For example, some people will rush and buy a new battery as soon as her broken assumptions. It could be just a matter of a bad cable or connector on the power cord, whereas it can be fixed with a little soldering or insulation. Let’s look together. How To Analyze and Laptop Service
Similarly, if the LCD screen off, it could be a mainboard or video adapter failure, a bad inverter or lcd neon lights burning. LCD that need to be replaced, usually occurs because of a physical crack in the glass or block of dead pixels. If the CD or DVD drive does not work anymore, make sure you’ve tried the option to try before replacing the drive cleaning kit, and always check the connections before removing the old drive. No more who would identify themselves as damage to the hard drive is getting louder or from time to time, battery life decreases.
Problems Power / Power failure
The troubleshooting process always starts with identifying what works. If the problems associated with power, (the battery is one of the causes of the laptop will not turn on) the first step is to make sure power to the laptop contribute .. This means checking that the battery LED on the transformer on, and if not (or do not have an LED), make sure the ac adapter is plugged into an electrical outlet is good .. You can check that by unplugging the ac adapter and just plugging in a lamp or can check with current testing tools.
The next question is whether there is a small LED status lights on the laptop with the power plugged in.. Even the oldest models usually have a power status light is good .. If you have positive power status and the notebook will not turn on, the next check is the battery. Some notebook models will not operate without a battery is installed properly, find out on the internet if your laptop models will operate with the battery dead or missing. . If the battery is not an issue and the laptop still does not turn on the power of good status, it could be a problem with power regulator, or more likely a power regulation (ic power component) or the mainboard. Address the regulatory issues or motherboard requires test equipment or spare board to swap, and is beyond the scope of this article. (We will discuss this in more detail in a portion other sessions)
There is very little difference between troubleshooting a Dell Laptop, Toshiba Satellite, Sony Vaio, IBM Thinkpad, HP Pavilion (and Compaq) or even Apple Powerbook or iBook. . The basic design of the laptop all the same, though the models use Intel CPUs, there are other AMD and Transmeta PowerPC low. A technician troubleshooting Toshiba laptops may prefer to start with the battery, such as the notoriously weak, such a problem HP and Compaq notebooks often begins with the RAM. However, not all models can have a marked weakness in the same issue. not follow a logical process of elimination. Just because one model of Dell tends to blue blotches on the screen when a certain age that continues produce Dell notebook with the same problem.
IBM and Sony and Apple laptops are generally viewed as higher quality than other popular brands, but they all have similar problems due to overheating, wear, and the occasional run of bad components. The battery is a special subset of the power problem is a lot going on. The older NiCd batteries were particularly susceptible to problems. If it is not perfect in the charging, the battery cells begin to record the previous level as the new maximum level, and some individual cells may even reverse. Ni-MH (Nickel Metal Hydride Battery) which replaced NiCd (Nickel Cadmium) for standard models are somewhat better, but they can not fight bad or poor charging control circuit controlling software .. All laptop batteries, whatever the form, consisting of a number of low voltage cells connected in parallel or in series to achieve the required operating voltage.
Some older notebooks require you fill battery continuously, it only works on AC power as long as it takes to recharge the battery.
Many new models must be fully charged the batteries about once a week, but otherwise do not worry about leaving it plugged in for a long time, and the latest design no matter what you do for a laptop really get a charge on the battery for a reasonable percentage of the time. If you think your battery runs down too quickly, make sure you have enabled aggressive power saving mode in the software (usually accessed via the Control Panel or an icon producer) which dim the display, slow CPU, and let the hard drive spin down when not in use. Also, keep in mind that the estimate of remaining battery resistance that caused alarm on the screen can be set by the user, and if you are very conservative default settings (between 10% and 20%), you may want to experiment with a lower level (between 3% and 5%) that will still give you time to save your work and turn off the laptop before going into hibernation. How To Analyze and Laptop Service
How To Analyze and Laptop Service
The first thing to check out the video problem, as described above. If you can always hear the laptop fan when you turn on the laptop and now you can not listen it’s not a vga, power or mainboard is the problem ..
The next troubleshooting step is to connect an external monitor with standard VGA connectors, whether CRT or LCD. If your notebook does not turn it into an external monitor, it is very likely that one of the motherboard components or internal video adapter (if it is not part of the mainboard) has been damaged. Possible damage to the motherboard component Vga above analysis is pa … … ic epromer paprocesor … Mboard chips .. power modules … power ic component: if the lead does not turn at all.
If the external monitor works well, some problems occur in laptop video subsystem, which usually contained entirely on the screen / lid assembly (flif). Or one bundle of wires / lcd cable (video signal or power) which operates through the hinge to the video subsystem has failed, but the problem is clear on Lcd Tubes, (cracked screen, fade in the corner, a faint image, bad pixels). For your LCD replacement still have to open the main part of the laptop to check the connection. The easiest problem to identify error clearly is (physical damage) cracked LCD, Replacing the LCD is almost the same on most notebooks.
If you seem to light up the screen brightness or sometimes bright and sometimes almost fading (imagine) or entirely dark, (do not be fooled by the power saver mode), then you probably have a backlight or inverter problem .. Between the two, the inverter several times more likely to be problematic, serves as a solid ballast in fluorescent lamps modern. The backlight itself is a CCFL (Cold Cathode Fluorescent Lamp) to be a very long time for damaged / broken, while a whole generation of inverter together on some laptop models, you can easily find a replacement spare parts, whether original or compatible. (Method replacement inverter is discussed in another session).
Fan problems (cooler system)
Common problems are often encountered is a hot issue, however, the main enemy is heat from the laptop, which is almost 75% of the trouble encountered is caused by excessive heat. Especially in the laptop casing is almost no empty space is filled with all the components. The problems most of the cooler system is a blockage of heat dissipation holes on the heatsink (dust covered) which causes heat that should be spent bouncing back into the laptop, so the temperature inside the room is very small increases hot. Hal can cause over heating in the VGA chip, chip and processor is other motherboard components.
Problems to the fan (fan) is characterized by the sound of a noisy laptop, indicating fan or fan bearing worn off, which can harm your motherboard component. Should not wait until the heat damage (over heat) to replace the fan.
Port and Power Connectors
Laptops are sometimes plagued by internal problems of the physical connector, such as a modem or network port seems detached in this case, making it difficult to get a good connection, or solder the power connector is connected with the (induction) .. The only way to fix this problem is to open the laptop case, determine what has been damaged, and do our best to restore it to original condition.
Kludging any problems with the notebook has a tolerance that is so tight that your kludge might fail after you install the casing back. When do the soldering on the board laptop, use the iron tip is smooth and not too hot, do not risk your hot solder can damage high sircuit. Case on PCB (circuit board board) Use a decent solder sucker to quickly clean the rest of the rest of the tin solder. and if you’re doing it too lama. Should paused, and let cool before trying again. How To Analyze and Laptop Service