motherboard black screen
Application of skills in production and maintenance of eight portable numbers
The demand for skills in the production and maintenance Portable eight questions
A laptop for repair joke
In my opinion, apart from being repaired laptop supposedly no joke below. I do not want to bear the loss, they do not want to spend more time, you think title = "Dell Inspiron 6400 Battery"> Dell Inspiron 6400 battery, what type of laptop repair technician the motherboard?
Techniques require the accumulation several long-term practical experience necessary
Take me for example, I can train an apprentice in a factory is unable to fax, at most, by specifying a series of efforts to hides. After all, I have the knowledge and experience, are explored in their own step by step, in turn transmitted to Other, mixed? I do as well as training people who feel sad – not only spent the money so we are taught.
2, is now bigger and lighter notebooks plus thinner, this is not a good thing
The book is the search of light, thinner, this is not is a good thing. No lamp laptop computer, not thin, which means taking a small notebook motherboard, not thin. Notebook is the mother of the baby, but the entire smart card model will not change in a few. As a result, created a scenario "flat line of extreme-intensive" and "all kinds of coins the compact, so on.
The handling of the laptop on my motherboard that thin edge of the higher failure rate on the basis of the strain "Board" signs. "Deformation" of the Council will lead directly to the performance laptop instability, specifically what type of problem, which has been really hard, but maintaining the result is positive – can not repair, you must replace the motherboard.
3, laptop motherboard thinner and lighter, most compact, highest density chip
Notebook mother make small, on high density chips. Some small chips emit intense heat, heat FET affect the surroundings. "Fet" is generally used to control the creation or transformation of some of the operating voltage, if affected, can lead to short-circuit board. Once the circuit board, the problem would be higher. No power will stop and stay in the trunk, the final combustion processor and other components.
It, therefore, the mother of the laptop is not as fast as possible so that heat will only increase load on the main map is an increased risk of shorting out the motherboard. We know, ThinkPad X60 is the best brand of small models. Use the Intel Ultra Low Voltage processor and strict control of internal operating temperature, which greatly reduces the risk of failure – that is, "Why the low-frequency processors ultra-low voltage, but sell a higher price "because of 1. of course this is just my opinion more than one way and the process of transformation mobile production, taking into account the safety and thin, "can not be excluded.
4 Manufacturers laptops to reduce production costs the factory can not cut corners Mobile
At present, major laptop manufacturers are frantically striking low-end fee market. You want to attack the low end, we must reduce production costs. Therefore, the laptop now time factory orders, the very low prices is low. Our factory carrying platform the production cost of 1,000 yuan a piece of board, can not win a high dollar Inspiron 8600 battery "> Dell Inspiron 8600 Battery – these things go, who to believe?
portable notebook computer manufacturers to reduce production costs can not cut corners plant
But the mill fire in the large clients always have the control. But we can not lose money produce? Therefore, the appearance of "improvement board" shall be used. Clearly, the fact that Jerry-building. For example, a line memory voltage, you should use 30 capacitors. Without However, if the capacity of only 12 words, the same function. In this way, save 18 capacitors. A line memory voltage of the capacitor 18 provinces, save more plate material.
It seeks to make better use of quality materials to reduce production costs, now get a bargain in place. Thus, the plant preserve an important financing. However, notebook motherboards are much cheaper due to the use of materials, and instability "And so on, then the victim or the purchase of mobile consumers.
5 is a simple for everybody to negligence, will become a major maintenance problem
In general, notebook manufacturers and distributors do not tell on the consumer notebook, laptop is used for memory card "or" extended memory. "The so-called" Memory Board ", in short, soldered directly to the memory of the motherboard. The so-called "extended memory", in short, are Free plug in memory.
A "memory board card design" is very unstable
From my experience, the memory use "on board" motherboard design highly unstable and very prone to blue screen, black and Huaping and so on, with "extended memory" plate design more stable, probably more than a memory "on board" Design Council Stability 10.
The handling of the laptop on my motherboard, to the failure of the memory card "memory layout, and may declare the abandonment of the base. Therefore, I recommend buying the laptop, be sure to ask clear, "This machine is used on board memory or battery Sony VGP-BPS5 "
6 How to choose an integrated graphics card, which to choose discrete graphics
Here, we have to discuss is "What to choose an integrated graphics card, the choice of a discrete graphics card." Behold, then you might scoff me – the performance of discrete graphics N times more potent than integrated graphics, of course, provided the money to buy a graphics card. Of In fact, things are not so simple.
Some of the notebook graphics cards are soldered to the motherboard is difficult to keep the case of failure
In general, notebook vendors and merchants will not tell the consumer notebook, the notebook Discrete graphics are "soldiers" of the plate base, or "plug in" Some laptops discrete graphics welded directly on board, but with the same use, but there is a high risk of failure – if Huaping, the screen is much better than the integrated graphics card; Once Huaping and a black screen, motherboard, then it scrapped.
This motherboard failures are difficult to judge is the graphics card is damaged, or memory corruption. In fact it is almost impossible to verify, because the engineers do not have time for you to take check each outside line maintenance points, and can not get out of control, because the technical requirements. Moreover, even if the card will replace memory and not necessarily solve the problem, can you give in exchange for other diseases.
Therefore, if the money, buy the "independence of free plug" were portable, if not money, bought an integrated bar – designed motherboard with integrated graphics, stability, independence explicitly that Board of Directors several times higher. Huaping and black, although the phenomenon is produced, at best, is another memory, another North bridge or something.
I use the laptop H240D is the founder, had bought the time spent 7300 yuan. But I'm almost always considered a team office machine, and is somewhat ruined things. If you buy a team, no need to travel, or business services; If you buy a PC title = "HP Pavilion dv9000 battery"> HP Pavilion dv9000 battery is a "portable" light, which would have to choose a laptop.
Personally, I think, 7000 Element – notebook yuan between 8500 very good. The price of laptops, so general not the entire production process and quality are good. Of course, if you want more money, then it is better to buy quality products. Although prices Mobile equipment is somewhat lower, but the real "good product" expensive o.
7, the greatest advantage of laptops is in motion, but often also affect the safety of mobile
As we all know, the greatest advantage of laptops is the "motive", but "Mobile" also requires caution. In general, the laptop will be published on the movement of light and vibration damper – which is inevitable. Over the People think that the laptop is designed for mobile small shocks and vibrations are not greatly affected. Indeed, it is not.
In my many years of work experience accumulated travel notebook often affect their safety. We "because of frequent movements of the security risks arising from" as " cold welding. "As we all know, the chips that are used for welding above board soldered to the motherboard. Laptop when moving, each produces a slight vibration in the bulk solder.
Our analysis of the biopsy during the microscope were used 400 times, South Bridge and a solder ball in the mother. solder ball and the South Bridge connected top and bottom and the card is connected, in the south bridge that connects parts of the phenomenon of ordinary negligence.
Total Notepad is the best "can not move, do not move," will always lead to "cold fusion", so that the stability of the decrease laptops.
8, the performance of the laptop can not be ignored – the temperature
In factories, Laptop computer has a performance index can be ignored is the "temperature." As we all know, the previous meeting with soldiers welding chips are increasing, the temperature difference is greater when the weld due to "heat up Cold Shrink" and appear broken.
Example: a laptop computer used in the winter games outdoors. When games begin, increases the processing load cell, the heat increases, the machine becomes very hot. Following the closure, due to the relatively temperature low, forced into a very short time by the thermal cooling. As a result, has greatly affected the stability of the weld. More serious, but also pressure on, "and so on.
Finally, I lost a laptop internal temperature control in a positive way. If temperature reaches 40 degrees portable shell (for the part that feels, obviously feeling the heat already), then the laptop does not lower the internal temperature 65 degrees. If the laptop is equipped with discrete graphics in the race for 10 minutes 3DMark, the graphics card is probably the temperature around 80 degrees – The principle that the laptop better thermal performance. If the laptop cooling performance is not good, the situation is more serious. Dell Latitude General Battery D610 I suggest that we should not lower the temperature in the surrounding environment, taking laptops to play games.
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EEE PC 900 black screen clear cmos FIXED 
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