What is the main configuration for buying a laptop? Tips for choosing a laptop
4hw.com.cn: laptop is a tool we can't do without, no matter in work or in life. For many people who don't understand the computer, they are at a loss when choosing a computer. They don't know what configuration to look at, which price performance ratio is the highest and which represents the performance of the computer. Here are some tips for choosing a laptop!
Tips for notebook purchase
1. CPU: all operations of the computer are controlled by the CPU. The performance index of the CPU directly determines the performance index of the computer system. At present, Pentium, core I3, i5 and so on are the mainstream in the market.
2. Display screen: LCD is the most expensive part of notebook computer. The main size of the screen is 14.1 inches, and there are also 15 inches. If users often travel, it is recommended to choose some ultra-thin, ultra light notebooks, with the screen between 12 inches and 13 inches. If users are sitting in the office, they may choose to be larger, so it looks more comfortable.
3. Memory: it is used to temporarily store the operation data in the CPU and the data exchanged with the external memory such as the hard disk. All programs in the computer are run in memory, so the performance of memory has a great impact on the computer. At present, 2G / 4G and 8g memory are the mainstream on the market.
4. Capacity of hard disk: as the data memory of computer system, capacity is the most important parameter of hard disk, mainly considering the capacity and speed of hard disk. The mainstream of market is 500 and 1t capacity, 5400 speed and 7200 speed.
5. Disc drive: currently popular with DVD-RW (DVD recording). From the perspective of use and economy. Pay attention to the stability, sound, error correction ability and speed of the optical drive.
6. Battery and power adapter: choose lithium battery as much as possible. For power adapter, you should pay attention to that if the temperature is too high after long-term operation, it is abnormal.
7. Expansibility: the expansibility and upgradeability of the product should be fully considered. The most frequently used USB interface, which has many better uses, can be easily connected to digital cameras, scanners, mice and other peripherals.
8. Pre installed operating system: no pre installed operating system, that is to say 'bare machine'. This has a certain influence on the stability of the system.
9. Brand: the best way to buy a laptop is not just to be cheap, or high specification. Brand guarantee is meaningful when purchasing, because companies with good brand image usually have a large investment in technology and maintenance services, and reflect on the price of products. In addition, in the software and the overall application of collocation, documentation, accessories, etc. will also be more attentive.
In addition to asking about the price, you should also pay attention to the content of warranty and future upgrade services. In particular, in terms of warranty services, some companies provide one-year warranty services, while others provide three-year warranty services; some companies have quick repair centers, while others don't; and whether they charge different brands for repair and replacement parts during the warranty period.