Yesterday afternoon, the company suddenly went out of power, and my colleague wang's notebook turned off. It's a "crash of the moment" scene that many people have seen. The greatest advantage of the notebook is that it can be carried over, but the thousands of pieces of equipment suddenly turn into a heavy "desktop" when the charger plugs are not responding and the battery icons are blinking。
Don't rush to the repair shop and spend money on it! 80% of all charge failures can be solved. We've put together six steps from simple to complex, and then we'll save hundreds of maintenance costs and even the computer white can read the operation。
First of all, the easiest details to ignore
The first reaction of many people to the charge is "computer failure", but the simplest reason is often the easiest to ignore. If there is dust in the charger's interface with the computer, or if the plug is not plugged in, there will be a situation where "it appears that the charger has no power"。
30 seconds fast check:
Remove chargers, look carefully at whether the chargers are covered with a small amount of paper towels in toothpicks (especially in a long-term computer in a bag), rubbing the charger plugs and the computer charger (note that it has to be shut down) and re-plugging the chargers, hearing if there is a "silent" sound, and seeing if the charger lights are on
Netizens @diggletransparency share: "there was a trip that was too hot to charge electricity, sweaty, and then it was an interface that got fuzzy and picked it out with a toothpick, white and nervous!"
Hint: if the laptop battery is of a disassembly type, you can also try to remove the battery and re-install it。
Is the charger broken
If you can't charge the charge when you're out of contact, check if the charger is on strike. Chargers are consumables, especially in liner parts, which are often bent and easily fractured internally。
Three fault features:
The wires are marked with creases, drums, or signal lights blinking when they smell burning chargers, with a light touch of the wire and the end of the electrical test: when the battery (disabler type) is removed, the power source is plugged in directly, and if not, the charger is basically the problem
N. B.: the duration of warranties for original chargers is usually 1-2 years, with the retention of purchase vouchers and the possibility of free replacement upon sale in connection with brand names (e. G. Apple, dale and others have clear maintenance policies for chargers)。
Don't use the charger. Board
"there's too much to charge at home, just take one plug in?" it's a big mistake. Different brands and even different brands of notebooks can be completely different. The wrong charger can not only charge the charge, but also burn the main plate。
Three methods for identifying original chargers:
View charger label: the original charger (v) and the current (a) must have the same label as the bottom of the computer, usually has a brand logo, which is fine, and the fakes have large sutures, light weights, non-chargers, as much as possible, to select a 3c certified formal product (e. G., a green chain, benefactor)
The real case: known user @chang used his mobile phone to charge the notebook, resulting in a board cut and $1,200 for maintenance。
Battery drum packs need to be alert
If the charger's okay, it's the battery itself. Lithium batteries are now used in notebooks for a certain period of time, with a significant decrease in capacity after 500 general charge and an acceleration of ageing when overcharged or long-term full-charged storage。
Typical signal of battery damage:
Battery drums: the bottom is clearly bulging, the computer is not flat (it can never be used again! There's an explosive risk) continues to drop: it can only take 10 minutes, or it suddenly falls from 50% to 10% of the charger bar: it always shows zero or 100%
Method of detection: under windows, press win+r, enter powercfg/batteryreport, and generate a battery report in which "design capacity" and "full charge capacity" can be seen, the greater the difference between the two indicates that the battery is depleted (e. G., design capacity 48wh, which is actually only 20 wh)。
Proposal for replacement: the original battery is usually at a price of $300-800, and the handyman can purchase a matching model for self-replacement (searching "the notebook model + the battery"), rather than seeking third-party repair, which is more than half cheaper than the official sale。
The system has a hidden machine
You probably didn't know that the notebooks would bring a charge protection mode to protect the battery's life. Like "conservation mode" and "battery protection" at dale's, when it's turned on, computers can limit charge to 60 percent, and many people think it's not charging, but it's a problem。
3-step discharge limit:
Find the computer's own power management software (known as lenovo vantage, known as myasus, without direct access to the system setting) to see if the battery mode option has turned on the limited charge of "maintenance mode" or "balance mode" to "always full" or "standard mode" and then try charging after restarting the computer
Small technique: if the power management software is not available, you can search the "power options" on the control panel, click "change plan settings" -- "change advanced power settings" and find "cell"-related options check settings。
Last move. Main board or circuit failure
If the above five steps have been tried or cannot be charged, the problem may arise on the main board or on the charging road. The situation is complex, but there are obvious features to judge。
Typical display of the failure of the main panel:
When the charger is plugged in, the computer is completely inoperable (not a light, not a machine) and the charger is loose, able to shake the right or right (possibly the interface is welded) before entering water, falling, etc
In this case, it is suggested that if the computer is still on warranty (usually for 1-2 years) and directly after the brand is sold, the cost of maintenance at a third-party maintenance shop (depending on the brand model) would be approximately $200-500, and it would be important to ask for the price before repair。
Remember these three habits
It is more important to learn to maintain batteries after solving immediate problems. Doing these things will make your laptop battery two to three more years:
Do not store electricity at long notice: if you travel without a computer, keep the power at 40-60% to avoid a big game by filling it: a high load increases the temperature of the battery and speeds the ageing periodic deep discharge: use of electricity up to 20% per month to refill the battery core. Snippets
Finally, i'd like to tell you that laptop charge failure is not scary, it's blind. There were internet users who continued to use the battery drum pack, resulting in the deterioration of the screen and greater losses. A step-by-step exercise along the lines described today would solve the problem while avoiding unnecessary risks。
If these methods are still unsolved, please leave a message on your computer brand and symptoms in the comment area, and we'll do our best to analyze it. Remember to celebrate this article, and we'll be able to flip it out the next time we have a charge。
