In the last round of 618 in 2025, for users who care about value for money, the new machine is no more advantageous than the second-hand product that was replaced by the rich man. As a highly integrated product, laptops have a large number of items to detect, which may affect normal use。
The paper is as simplified as possible to give you a list of items that need to be tested for second-hand laptops, with specific criteria, a three-tier reward for the complimentary collection and a separate contact for complex questions。
Contents
Before you do this, point out the following:
Additional transmissions such as equipment information, warranty information, appearance, power supply, keyboard + touchboard, cores, heaters, storage units, wireless network cards and usb need to be checked。
After all, the software that everyone needs is different, the need for functionality is different, so let's have another one later。
List the directories so you can follow them。
Tool preparation
Second-hand notebooks for detection/assessing are used for dismantling machines, with the following physical tools。
1 software toolkit
Note: the newbies do not need to install a single set of specialized software, and it is more cost-effective to use the toolbox with the drawings, and the following notes are based on the map box, which is clearly marked and followed by the operation。
2 ️⃣ dismantling machine screwdriver + wafer (necessary)
Greenwood screwdriver with a precision s2 with a magnetic straw 27 and a laptop decorating tool are fully multifunctional
It's 200 minus 3030
¥26. 9
Go check it out
Note: there must be a sophisticated batch of screwdrivers, and the notebook screws may vary from one family to another, possibly a small quadrilateral to a small hexagon, so it is suggested that the whole batch should be stabilized and that a small additional box could be prepared to sort different screws。
The vast majority of the notebooks are on the d side of a card that is fixed and which requires a sew around a wafer or card to be removed (which does not recommend metal, may cut the shell) or, if you do not want to buy it, a plastic card that is scrapped。
3 ️⃣ ready for braiding + gas + alcohol tablets (necessary)
Squeeze, laptop camera clean air blow, black
Thirty days at 100
¥9. 9
Go check it out
Note: as long as there is a second-hand notebook, there must be dirt in the cabin, clearly dirty stains are treated with a brush, they are all lazy, the side corner is blown down with air, and special stains, such as oil stains, can be wiped off with alcohol after a complete blackout。
4-enabled silica resin/conductor pads (non-necessary)
The eastern works are based on the honiwell ptm7950-silliform silica notebook cpu-simulator plate game guide hot
¥45. 9
Go check it out
Note: too old silicium drys, which affects heat dispersion, so just change it. I personally suggest that the new hand-held heat pads cover more evenly than simple installation, and that the conventional notebooks do not require a high heat coefficient, more than 8。
Test process
The following is the test standards for the components, the detection methods and the corresponding treatments, in descending order。
1 equipment information (model + warranty)
Available standards: bookkeeping amendments are often divided according to accessories, and different models/hardware have different warranties, depending on the network of laptop manufacturers, where the security machine allows the seller to issue a purchase certificate (only for electronic tickets)。
Test methods: flip the notebook, unless the seller's hand is torn, there must be a product label at the bottom, with a product marked sn (also called p/n), understood as the laptop's id number, and a specific model, such as thinkpad x250。
If the label is torn, it is okay to have it on the main board (which has to be removed). Wigand thinks that such large plants have their own manufacturers of software and can also directly view the sn and warranty through the management software。
Ps: it would be preferable to check the consistency of the label with the sn painted on the main board, and if not, the general problem would be that the goods would be returned directly。
2 ️⃣ appearance (shell + screen)
Available criteria: the shell is your own past + does not affect normal transport, the screen is specific and ensures that normal displays are bottom lines。
Method of detection: normal treatment of the notebook case with alcohol, no alcohol with coatings (as compared to the figure below), just water cleaning, same screen, no alcohol on the coating screens like macbook。
Some of the notebooks are metal casings that can be deformed and flattened by a little bit, not to think it's a big problem. Attention is to be paid to the skin material shell, which is bound to stick over time and is less recommended for purchase。
The screen test is to see whether the line is intact, the total is normal, there are serious leakages/bad points, and please download the software toolkit provided here, install the bar-box and open the aida64。
Click three points at the top right corner after entering, find the monitor detection in the tool, click to open。
Click " auto run secured tests " to start the test。
This was followed by the following operations:
Press the keyboard's arrow button to switch the test item manually。
Pay attention to pure colour (white, black, red) to see if there are any faults on the screen, if there are visible scratches and if the leak is serious。
After confirming that there is no problem, the esc on the keyboard exits。
It is advisable to turn a few screens during this period, and if there is a problem with the line line or with the screen itself, there will be an anomaly of flash screens, texture etc。
There's a problem with changing the screen, searching for your laptop model + screen at ma yun's house, changing it yourself or looking for someone under the line, giving you a $50 manual fee, and much less maintenance。
3 ️⃣ power supply (battery + power line + usb interface)
Available standards: battery ageing is normal, and each model has a different duration and no fixed standard。
Test methods: the batteries themselves are not very well tested, are used directly and are likely to be used to estimate the continuation of the voyage, and the official detail pages of the notebook manufacturer usually indicate the estimated time (theories are the longest) and, if the renewal is too short, may be considered for replacement。
In addition to the primary battery, the old laptop may have buttons to keep the bios set-up, and if so, replace them when the trigger is restored。
The dc/c power supply is also relatively simple, and it is a problem to signal slow charging after access, but of course the c is special, since charging protocols are confusing and non-certifying head chargers are normal。
Batteries and power lines are easier to replace, as stated above, and the ma yun family searchs directly, and can find small yellowfish search machines at a cheaper price, which is difficult to say for quality。
4 ️⃣ input (keyboard + touchboard)
Available standard: no bad button, touch normal。
Method of detection: the keyboard is online, presses every time, it's fine。
More specifically, the touchboard multitouch and keyboard combination functions, some of which require the installation of a specified driver to achieve this, look at the drivers below。
If the keyboard has a bad key, or if the touchboard is particularly strange, it can also go to mayun's house to search directly for the replacement of the specific type of spare parts, fearing that it will also go under the line and pay for manual work。
5 core (cpu + card + dissipation)
Available standard: based on the running score, see what the other runs the same model:
Cpu recommends r23 that microsoft stores search for cinebench installations。
The card recommends 3d mark's steelnomad module. Read the page and search it. I bought it。
If you're lazy, you can use master lu, if you have the same test tools。
It is problematic to have the same type running scores too low for others, and it is important to note that the pattern is different, and that pressure testing of the equipment is required to prevent problems such as the death machine when the use of hardware increases。
Test methods: the first knowledge point to be known is the laptop mode of operation, which is different from the normal cpu+s, which are connected, unconnected and non-fast, while there are three working models that are pre-set under the normal windows, and testing the full blood of the feed+ performance mode。
In the case of regular users, the pressure test uses two traditional tools, aida64+furmark, which is free of blue screens during the period. The cpu clicks on aida64 in the cpu master panel tool to press the position of the lower circle, clicks on file setting options, finds osd and is enabled to tick these displays:
Cpu frequency
Cpu temperature
Cpu voltage
These three data are the areas that need attention during the next stress test。
Click on the system stability test in the tool, tick the cpu test, click on the start。
The normal oven starts in half an hour, and here's three data:
The first is the cpu temperature, which does not cause problems as long as it is below 80 degrees. It is not unserviceable. The lower the temperature, of course, the better, the higher it is, the ash + silicate。
The second is the cpu frequency, most of the time in the oven is the maximum cpu frequency, and attention needs to be paid to the need to switch to a performance mode before testing。
The third is the cpu voltage, which, if it is more volatile, indicates that there is a problem with the power supply or that the battery is in trouble, which should be replaced。
It needs to be noted that some of the notebooks' cpus have their own power constraints and that pressure tests do not run to the maximum theoretical frequency, which is normal, and it is sufficient to refer to the test results of the same type。
Rtx30 is a unique feature of the rtx30 and is updated
A hybrid model is a nuclear + unique mix, with the advantage that energy consumption is better than it is, and with the disadvantage that it is uniquely impossible to perform the full range of performances。
A single straight-link model is a stand-alone one, with the advantage that the electrical state is able to perform the full performance of the card, with the disadvantage that generally only the external hdmi/dp monitor is used and not the c mouth。
Toggle the windows management software, which is normally a laptop, may also be modified in the bios, the pressure test can only be directly linked, followed by a personal needs switch。
The graphic card clicks on the one-key grill card in the graphic card tool, and the keyboard starts with a single key after the popup dialogue box
The first is the temperature of the card, which, like cpu, is recommended to be less than 80°, and the temperature of the card is too high for ash-to-silicate。
The second is the frequency of the graphic card, which shows that the maximum frequency is consistent with official data and that small fluctuations are normal, but most of the time should be at the highest frequency。
In addition, cpu+ graphic card tests need to be temperature sensitive, with reference to other people's data taking into account the ambient temperature, which can be higher and normal in summer than other people's winter tests。
If the radiator is in trouble (high temperature and acoustic noise), the dust is removed, oil is added to the fan bearings, and all can be replaced by idleness。
6 ️⃣ storage (ram + hard drive)
Available standards: memory is generally difficult to break and hard drives at least for a further period of time。
Test methods: memory and hard drive capacity judgements are simple and can be seen by opening the task manager, and the following recommendations are made:
If the total memory capacity is less than 8g, it is recommended to add to 8g, and if windows 11 is used, to 16g, remember the distinction agreement that ddr3, ddr4 and ddr5 cannot be mixed and follow the slot。
If the hard drive is a mechanical hard drive, replace the sata solid hard drive with a m. 2 interface giving priority to the m. 2 solid hard drive, recommending 500 g and above。
One special case is that of a plate memory, which has been relatively common in recent years, and which cannot be added。
Click on tm5 in the toolbox memory to start automatically:
If used by default, run round with default configuration, without error。
If it involves manual overfrequency, search for 1usmus configuration (not to distinguish between ddr4 and ddr5) and load it and run three rounds without error。
Yes, you're right. Some of the notebook's bios have no containment memory configuration, which can be manually overloaded, but it's not usually recommended to go up, but it's not as big as a desktop。
Click crystal diskinfo in the disk tool to view the following two data:
The first is healthyness, which is replaced by less than 80 per cent, without which blue screen problems can easily arise or even self-censorship。
The second is the temperature, which is above 60° to check the computer's dissipation, if it is loaded at a distance from the cpu card or above 60°, with a hard-dispersed heat vest or a change of hard drive。
If the original is a mechanical hard drive, it can be replaced with a solid hard drive, which is far better experienced。
7 ️⃣ external connectivity (wire-net card + usb interface + video/video transmission export + camera + microphone)
Available criteria: if you confirm that the driver is correctly installed, you try it each time。
Test method: wireless cards have two focus points:
Normal bluetooth functions, both of which require correct performance, and if a function is not available, the main plate may have static power and the battery discharge needs to be removed。
If it is necessary to replace the wifi7 wi-fi card itself, cpu needs to be intel for more than 12 generations and the system is the latest version of windows 11, otherwise it cannot be used properly。
The slowness of wireless transmission is generally a router problem, not so much related to wireless network cards。
All usb interfaces are normally plugged in and, if access is unstable or unidentified, operate as follows:
Take out the batteries and the power supply, find a spade to put in the alcohol tablet and clean up the stains in the usb interface。
The usb interface is also normal, and if dusting is useless, it can be replaced with a bottom plug at a normal price of about $50。
The cheap usb3. 2gen1 extension would be a few dozen dollars and could be used in exchange for other notebooks。
The video-transmission exit is the above-mentioned, and the rtx30 and updated graphic cards remember to check the graphics working model, the single-link mode does not normally support c-transit, and the rest is of little interest。
The camera usually opens directly into the computer, the microphone goes into windows settings, finds the recording device that you want to test, and clicks to start testing。
Reload system
The following are all the necessary actions that have been recommended and are recommended for careful consideration。
1x recovery of bios
Some users (e. G. Me) will modify the bios configuration optimized performance, and it is generally recommended that it be restored after hand, that it be activated by pressing del to the bios save&exit page, and that it be chosen for restore defaults。
2. Installation of systems
The vast majority of laptops are authentic windows (normally home version), and reloading the same version of the system will automatically activate and some will post the activation code on the machine。
Ps: my personal suggestion is to reload because the home/education version will be considerably less functional than the profession version, and local accounts will have access settings。
The system is simpler to install, and microsoft official tools are recommended
Note that the memory capacity does not allow 64-bit systems to be installed at 4g or below, and must be added to 8g and above, and many new versions of software do not support 32-bit system installation。
Regular users try not to use streamlined systems for relatively simple reasons, with a considerable number of software games requiring a supporting library, and streamlined systems are usually deleted and eventually loaded, so streamlining systems does not mean much to regular users。
In the case of workstations using the desktop cpu/mxm interface independent graphic cards, the replacement of the cpu/symmetric cards must be sensitive to the support of the main board and ask the official customer service if not。
There's nothing else to notice. Old computers with poorer performances don't have to load 360 of these family buckets. These permanent software eats cpu。
3 ️⃣ installation driver
The laptops do not drive elves, many of which are specific, the public drive is problematic, and the correct approach is to go to the internet search model for downloads, which are typically coded in english + numbers, and do not know how to look back at the first steps of the testing process。
Compare new laptops, the manufacturer usually gives a driver to this type of bat-set installation, not a stupid one, just look at the file name, and the old model and the international brand are usually only separately。
Concluding remarks
These are routine testing procedures, and there may be some cold spots that have not been picked up, and there is an interest in the public name kawakawakawakawa-san, and in chatting。
