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annyhaiyan's Blog
November 14, 2009
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Carefully check the laptop serial number on the outside the box whether the serial number of the body of the machine in line. The serial number of the body are generally the base of the fuselage in notebook computers, in the check serial number, we must also check whether it had been altered and was re-posted off the scene. In addition, at boot time, first entered the notebook's motherboard BIOS, the BIOS check the serial number and body serial numbers are the same. Three numbers are the same, the basic source of notebook computers no problem, if there is an inconsistency, dell g1947 battery is no doubt that parallel imports, or assembling goods. Formal channels to enter the domestic market, notebook computers, its official agents usually posted at the bottom there is a dedicated label indicating the product type. Such as IBM's ThinkPad notebook computers and machinery at the bottom have a product model and serial number, its product model ending with the last one is a C, indicating China. Can enjoy a three-year International Warranty, so even out of the country do not have to worry about, if not, that is parallel imports. Therefore, after the selection of books sure to look for labels, right on the numbers, otherwise use the money to buy a licensed parallel big loss not only price, but also not entitled to many services. Once the love machine is a problem, it may disaster. It would also be able to check online or call look more insurance.
2. Overpack
First of all, check the packaging is complete and correct. After a general notebook computer open the packaging, there is also the power adapter, and related accessories, product manuals, certificates of UNPROFOR (number and laptop numbers the same), warranty cards, etc. Also documented, but also note that the operating system recovery disk, installation disk if consistent with the operating system on the machine. Take a look at this round after round of the hurdles to become very difficult to counterfeit, so when the purchase must face up to your eyes that, can still remember a close look at yo!
3. Check the appearance
Check whether the appearance of laptop touch, rub, is zoned, crack and other wounds, liquid crystal display (LCD) whether there are scratches, dead pixels, ripple, screw whether there Diaoqi and so on. Should try to look for in choosing a machine is not dead pixels, because there are dead pixels on the LCD may gradually spread. dell e1705 battery Appearance is also very critical, buy new things if there are scratches, it seems certain bad mood.
4. Check the battery
It should be noted that the new laptop battery should be no more than 3 times higher power should not be at 3%. And generally when the test machine dealer will not insert the battery, but directly connected to the power outlet. Charge-discharge capacity is too high or too many times to prove at least the machines were used. Sony, IBM battery management software can also be seen several times the battery has sufficient power of the. There is also some special detection software after we have repeatedly said that this must be on the spot inspection to prevent future trouble.
Taboo of the nine, do not check the accessories and gifts
That when the purchase is important to note the carefully check the products supplied within the box accessories, comes with the operating system and driver instructions such as whether the same accessories package. Also check whether there should be some gifts, such as gifts, some brand backpack, U disk, mouse, memory, and so on.
If the product is confirmed that, no problems have more to try to run the operating system whether there is an exception; multimedia player audio, image is normal; MODEM / LAN Internet access is normal; cooling fan is working properly; notebook mouse positioning whether it is normal; transformer (ADAPTER ) charging is normal; dell e1405 battery fan noise is acceptable and so on. In addition, if the notebook is also equipped with a DVD drive, but also on the DVD drive can read the disks must be checked. If it is CD-RW, CD-ROM should be burning their ability to be tested.
Now time for the vendors agents to compare the promotional activities more generally give some practical things, such as: wireless network card, bags and so on. Do not forget to ask for the dealer Oh, that was not white does not take hold, the cost has been counted, but to your head.
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