Laptops are important tools in our life and work. Compared with desktop computers, the biggest advantage is that they are mobile. There are several types of notebooks, such as netbooks, student notebooks, game notebooks, ultrabooks, business notebooks, and high-end game notebooks. There are various notebook products on the market now, and the brands are also dazzling. So how to choose a laptop? What brand of laptop is good? Let’s take a look at more laptop-related content for you below. Introduction to Laptops
Laptop, also known as “portable computer, notebook computer, palmtop computer or laptop computer”, is characterized by a small body, which is more convenient to carry than a desktop computer. , Portable personal computer, usually weighing 1-3 kg.
The development trend of notebook computers is to become smaller, lighter and more powerful. In order to reduce the size, the notebook computer adopts a liquid crystal display (liquid crystal LCD screen), and is also equipped with a Touchpad or a Pointing stick as a Pointing device.
Laptop classification
1. Business laptop: The business laptop is designed for business applications and is suitable for business people. It has a light body and a simple appearance. The applicable crowd is the office family represented by blue-collar, white-collar and corporate executives.
2. Entertainment Notebook: The notable feature of the entertainment notebook is the wide screen and large screen, which can fully meet the user’s daily video and audio entertainment needs. It is more suitable for girls and students who usually like to watch videos and listen to songs.
3. Thin and light notebooks: Thin and light notebooks are currently one of the most popular categories in the notebook market, and both business and games are evolving towards thin and light. It is suitable for business people who travel frequently and young women who love fashion.
4. Gaming laptop: The hardware configuration of gaming laptop can achieve certain game performance, but it is more convenient and beautiful than desktop computer. It is suitable for professional game players and people who love to play games.
5. Ultrabooks: Ultrabooks are lighter, thinner and smaller than ordinary notebooks, and their performance is superior. Ultrabooks are more suitable for fashionable and trendy business people.
6. PC tablet 2-in-1: A 2-in-1 notebook is a perfect combination of a laptop and a tablet, which can be divided into two for use. It is suitable for people who often need to take a PC to go out.
What are the dimensions of the notebook computer
Generally refers to the screen size of the notebook computer, that is, the size of the diagonal of the display screen, generally expressed in inches, usually to adapt to the use of different people Habits and spending power, there will be different sizes. The most common ones on the market today are 11 inches to 17 inches. At present, 14 inches occupies the mainstream of the notebook computer market, followed by 15 inches, while the sales of 13 inches and 12 inches are similar.
Lifespan of Notebook Computers
The general lifespan of notebook computers is about 4-5 years, which is considered to adapt to the use of software replacements. Generally speaking, software replacements are about once a year, and antivirus software is updated every day. If the computer is used for too long, many software cannot use the new version, so the laptop must adapt to the software. If it is purely used until it can no longer be used, then 8 years and 10 years are no problem. With the increase of the age, some electronic components in the notebook cannot work normally, and the phenomenon of aging and oxidation will occur, and various problems such as lag and heat of the notebook will occur.
What is the configuration of the laptop
1. CPU: As the core of the operation and control of the entire computer system, it determines the fluency and responsiveness of the computer.
2. Graphics card: It is the visual system of the notebook. The graphics card can be divided into integrated graphics card, discrete graphics card and core graphics card.
3. Display screen: A display screen used to display various information such as graphics, text, video, etc., the most commonly used is the LED high-definition display screen.
4. Memory: It can make up for the performance drop caused by the slower processor speed to a certain extent.
5. Hard disk: The performance of the hard disk affects the overall performance of the system. The hard disk used in notebook computers is generally 2.5 inches.
6. Battery: is one of the most important components of a notebook computer, and to a large extent determines its convenience.
Buybuy.com editor reminds everyone that the configuration of the notebook computer should be selected according to its own use.
How to choose a laptop
1. Decide the type of laptop: Decide which type of laptop to buy according to your actual needs.
2. Consider the notebook configuration: Hardware configuration, system stability and software support are weighed against each other.
3. Inquiry and shop around: Go to a few more inquiries, understand the details in the market and the approximate price before purchasing, so as not to be deceived.
4. Unpack and inspect the machine and pay: Unpack and inspect the machine first, so as to avoid the merchant’s hands and feet, pay special attention to the box seal, and pay after the machine is inspected.
5. Remember to ask for an invoice: Invoice is an important certificate for warranty. It is best to write the specific model of the machine clearly when invoicing.
6. Machine inspection: Check the packing seal and the appearance of the box; check the model and configuration labels; check the serial number of the notebook; check the accessories; check the notebook host.
Laptop Troubleshooting Laptop cannot be turned on
1. Power supply problem: If it is an external power supply, first check whether the power supply is not plugged in properly or there is a problem with the plug. If the battery is used, it may be that the power supply of the notebook is insufficient. As long as it is charged more before use, this problem will be solved.
2. Mainboard failure: It is the main reason why the notebook computer cannot be turned on. It is often caused by factors such as notebook liquid entering, breaking, and damage to the components of the motherboard itself.
3. Circuit failure: Except for artificial liquid ingress and short circuit, most of the failures of notebook computers that cannot be turned on are problems of protective isolation circuit, failure of power-on circuit and EC peripheral circuit, and sometimes the circuit is damaged. Burn out a lot.
4. BGA failure: BGA failure is also the failure of the notebook computer that cannot be turned on. It is extremely common in the Centrino generation notebooks that use DBM as the south bridge chip.
Laptop can’t connect to wifi
1. It may be because of network arrears, just make up for the Internet fee.
2. There may be a problem with the router, just change a router.
3. Because there is a problem with the installation of the wireless network card driver, first right-click the Start button; click Device Manager, double-click the network adapter; select the corresponding wireless network card, right-click and select Uninstall, click Uninstall; right-click Network adapter, click Scan to detect hardware changes to reinstall the wireless network card driver.
Laptop boot black screen
1. The notebook is in hibernation state: just click any key at will to restart. If you don’t want your computer to sleep, you can set it up.
2. Screen problem: There is a problem with the screen or cable, or the screen is in poor contact. You can try to connect an external screen to see if the output of the graphics card is normal; restart the computer, if it does not work, send it to a repair point for repair.
3. Graphics card/motherboard problem: If the screen is black after booting, but there is sound entering the system, and the connection to the external screen does not work, then there may be a problem with the graphics card or the motherboard. To disassemble the case, tighten the interface between the screen and the motherboard, and then install the computer parts one by one in the dusty place.
4. System problem: If the black screen is caused by a system problem, there will be a BIOS interface LOGO, and a cursor will flash at the top left of the screen. If the cursor is not used, the screen will be brighter than when it is turned off Some. It is best to reboot, enter the bios, boot from the selected U disk, enter the pe system, and then perform antivirus and repair.
5. Insufficient power: If the screen is black due to insufficient power, just try to connect the power, and the computer will return to normal.
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Laptop maintenance tips
1. For those large dust stains attached to the surface of the laptop, use a soft soft brush or paper towel to clean up the larger dust , from top to bottom or from left to right, do not wipe back and forth across the surface.
2. For those relatively fine dust, use air blower and cleaning soft glue, because air blower and soft glue can clean those parts that are not easy to clean normally.
3. For some more stubborn stains, I am afraid you need to use a professional cleaner. Just spray a little on the stained area, and then wipe it hard with a cleaning cloth or wet towel.
4. To clean the interior of the notebook, it is relatively simple to disassemble the back cover of the notebook, just unscrew all the screws on the back. However, it should be noted that some models of laptops will have a bayonet around the back shell, and you need to use an opening pick. After removing the back cover, you can first blow away the larger dust with a hair dryer. Be careful not to use hot air.
5. After removing most of the dust, use a soft-bristled toothbrush to remove the fine dust in the crevices, especially the dust on the cooling fan.
