When buying a notebook, what need to be tested?

You can check if your new laptop has been used by the computer hardware, keyboard, serial number, date of manufacture, software.

Here's how:

1. Check the computer hardware. See if there is wear and tear on the shell, whether the hinge is loose, whether the appearance and screen are damaged, and check whether there is a three-pack certificate under a round dress.

2. Look at the keyboard. Whether there are traces of opening on the appearance, whether there are fingerprints on the body, and the new machine will have a white dustproof paper on the keyboard layer.

3. Check the serial number. Most laptops have the same serial number on the body and battery, and if they are inconsistent, it is very likely that the Hongheming battery has been replaced.

4. Check the production date: If the production date reaches one year and is still on sale, then the computer is in a state of pressure, and it has not been replaced with the speed of the computer, and it may have been used.

5. Pass the first software test. Plug it in and turn on your computer. Pre-test the software on the USB flash drive, and then plug it into the computer** to check whether the performance parameters of your notebook are consistent with the ones you purchased, if not, the computer may have been used.

Pro-orange Bu, you can check whether the newly bought laptop is ** through the following ways: 1Official channel purchase:

Buying a laptop from an official or authorized sales channel can ensure the quality of the product. Some large e-commerce platforms and physical stores are also officially authorized sales channels. 2.

Check for security marks: Many notebook brands will come with security marks. You can verify that the product is ** by scanning or entering the anti-counterfeiting code.

When buying a laptop, the product's box, accessories, and user manual, etc., should be complete. If something is missing, then there is a high probability that it is a counterfeit. 4.

Observe the appearance quality: Laptops usually have a more refined appearance and better workmanship. If the exterior is rough and not refined, then it may be a counterfeit product.

In short, when buying a ** laptop, you should choose the official channel to buy it and check it through the above methods. If you are still worried about buying counterfeit products, it is recommended to find an after-sales service center authorized by the brand or after-sales ** Yuan Wusui for consultation.

1.First of all, check whether the packaging is complete, whether there are traces of being dismantled, if it has been dismantled, it means that there is a possibility that it is not a new machine, of course, if you buy a second-hand phone, you can ignore this step.

2.After opening the package, it is necessary to check the appearance, whether there are any bumps, oil stains, or relatively dirty. Of course, second-hand phones can also ignore this step.

3.Whether all accessories are complete, 1 notebook, 1 adapter, 1 system CD, 1 drive CD, 1 random software CD, 1 list, 1 manual. Some brands of machines are bare metal without discs, and brand machines with pre-installed systems have discs.

4.Check whether it can be turned on normally, check whether the various hardware configurations are consistent with the configuration you purchased after booting, there are many check software, and the simplest 360 hardware master (Lu master) can be.

5.To detect whether there are dead pixels on the screen, the same 360 hardware master (Lu master) will do.

6.The next thing is the performance test, you can refer to the test reports of various brand machines, and there are many Zhongguancun forums.

7.Continue to run the test and keep it on for 1 day to see if it can continue to run stably.

8.Of course, it's all kinds of things you want to do, such as documents, **, film and television, the Internet, and games.

9.Comprehensive evaluation of satisfaction, whether it is worth the money. You get what you pay for.

The package must be opened in person! Because the outer packaging is intact, there are many cases of broken screens in this book! It is necessary to open the package and inspect the goods, turn on the machine and hang up more than 2 times, and it will be done within 10 minutes.

The answer is first at the brand you decide to buy, and then go to a more formal and larger local professional store. When you enter his store, you must see that some of the real big brand monopolies have the name of his company around the brand logo, and some are the same company.

After entering the store to get the goods directly, ask if there is any goods when you get the goods, and say that you don't want a prototype, if it is a prototype, you can return the machine without paying! And you have to trade no matter what, and pay after the machine is checked!

You can't let him take the machine for more than 10 minutes, because in a special session like this, the warehouse is not far away, and if it takes more than 10 minutes, it may be collecting samples and then selling you, and it is normal to collect samples and sell machines. In particular, companies with many branches sell to each other.

After the machine is brought over, look at the glue on both sides of the front, because JS will use a hair dryer to blow the tape open and then change things or collect the sample, at this time you need to be careful, to see if there are many folds on the tape, and whether there is obvious offset around the tape! If not, you can turn on the machine (also pay attention to see if it is 2 layers of glue, if yes, ask him to change the machine).

When you turn on the system and install it, you can see if there is any dust under the keyboard, and then smell it, because some machines will be wiped with a cleaning wipe when they collect samples, which is scented. If you smell the fragrance, it's a prototype, not to mention changing the phone. The more he explains to you, the more he tries to fool you!

Install the system to see if all the configurations of "Device Management" are available, and see if the camera can be used normally. If you have time, you can also try the card reader.

The iPad has a serial number, and you take that serial number and look it up online.

Regardless of the brand, it is necessary to take into account how its repair promises when it comes to the notebook. Pay attention to these things, how long is the after-sales service period, and the specific after-sales service.

Generally, if your channel is correct, when you receive the goods, you can turn on the computer and use Master Lu to check the computer configuration. However, the postman generally won't let you receive the goods like this, so turn on the computer and try the basic operations. Then look at the warranty card and the battery warranty card.

To look at the icons, see if there is an icon of the CPU, as well as the system icon.

Each SN should be the same, and then look at the screen for bad pixels. . .

I don't know, the devil knows, it's enough for Dora.

Conference machine Look at the battery Look at the screen Is there anything bad Try the keyboard Type Listen to the sound Try the speaker Bring a USB flash drive SD card *** disk Try those sockets Optical drive The rest look at the settings There is nothing else.