There is a saying in the computer market, called "Three-month mainstream", meaning that the re-tide hardware, re-prior configuration, after three months, will have a better alternative, because of this, upgrade It became diyer eternal topic. Reasonable upgrade computer, not only allows the old machine to glow youth, but also allow us to use the latest operating system and application software, and during the upgrade process, we must adhere to the principle of less to do more, so it is reasonable. Upgrade, so the author suggests that the upgrade users go to the second-hand market gold, and use the cheap second-hand hardware this upgrade magic. However, the second-hand market is mixed with fish dragons, causing a lot, don't worry, the following author introduces some secrets of purchasing second-hand hardware, let everyone buy second-hand hardware products suitable for themselves.
Tips: know each other
The so-called "confidant" is to consider clear your needs before buying. Don't go around for detailed purchase, so it is easy to be confused by illegal spending. And "Know" is to understand the popularity, main performance and probably prices of purchasing targets. The easiest way is to visit several stores, understand the price, or first sprit the merchant's acquisition price, then buy it to other stores.
Tips 2: Carefully check the new extent of hardware
Although we are buying second-hand hardware, we can also estimate the probabilistic service life of hardware from hardware, and merchants will usually make some refurbishments after acquiring second-hand products, and hope to get more profits. So the user must pay attention to check the newness of the hardware. The easiest way is to understand the new legacy of hardware from some easy ignore and cannot be changed, such as dust in the capacitive gap, observe the inside dust, board card through the display heat dissipation hole. The wear of the pin, etc. Also pay attention to check if the hardware is repaired, otherwise it may buy a return. Refuse to return is actually very simple, that is, careful inspection, pay attention to whether there is a case where the hardware is soldered and solder, and whether the chip model is not in conforming.
Tips 3: Reasonable requirements warranty time
Many users always think that the second-hand hardware is not impossible to provide warranty. In fact, many second-hand merchants will perform more careful and professional exams than you when they are acquired, and the hardware without a certain remaining value will not be acquired. Therefore, when we purchase second-hand hardware, we will agree to make a reasonable quality of warranty.
Usually, the minimum can also be obtained for a warranty, if the merchant refuses to provide warranty, it can judge that the hardware has a serious hidden quality issue or some foreign garbage.
Skills 4: Don't forget to attach younesses
Since it is purchased second-hand hardware, of course it is impossible to pack, but some main attachments still have to pay attention to whether there is. For example, buy an external drive to pay attention to the cable, buy some second-hand products of Japan should pay attention to the 110V to 220V transformer, buy some non-plug-and-play boards to pay attention to the driver, etc. Especially the driver, if the hardware is not a branded product, it is difficult for users to find a supporting driver.
Skill 5: Receipt voucher is essential
We all do not want to have problems in the second-hand hardware they purchase, but if this is there, and the merchants do not pay the account, are we not paying the lady and the defenders? Therefore, it is also careful when buying, remember to ask for a payment voucher to prevent in case.
Skills 6: Some second-hand hardware can not be purchased
Although the author said so much to select the two-hand hardware skills, some second-hand hardware author suggest that it is best not to buy. For example, the price of the old hard disk is very low, but usually, the merchant is neither the trial, nor does it provide warranty, whether it is normal to use the whole luck. In addition, there are also some second-hand optical drives, usually the result of adjusting the pit power of the old goods, in addition to this, the same is the keyboard of consumables, the mouse is also best not to buy second-hand products. Skills 7: Consider the trading object
The previous introduction is a precautions for purchasing hardware in second-hand markets. Here the author wants to remind the user to consider the trading object. The best trading object is not a second-hander, but a personal user, that is, directly finds users who need to handle hardware. These users are typically replaced by upgrading or other reasons. The hardware they handle will usually protect, so users who want to buy second-hand hardware may wish to pay more attention to online flea markets, maybe they will pick up the baby!
