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Mẹo Hướng dẫn Power on máy tính when plugged in Mới Nhất
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Table of Contents
Nội dung chính
- IntroductionLaptop Wont Turn on OR ChargeCheck the Laptop ScreenPerform a Hard ResetCheck the Charger ConnectionCheck the BatteryLaptop Turns on Battery Doesnt ChargeUpdating Battery DriversFinal WordsVideo liên quan
- 1 Introduction2 Laptop Wont Turn on OR Charge
- 2.1 Check the Laptop Screen2.2 Perform a Hard Reset2.3 Check the Charger Connection
- 2.3.1 Charging Port2.3.2 Power Outlet2.3.3 Damaged Charger2.3.4 Faulty Power Button
2.4 Check the Battery
- 2.4.1 Natural Battery Life2.4.2 Improper Charging2.4.3 Testing the Battery
3 Laptop Turns on Battery Doesnt Charge
- 3.1 Updating Battery Drivers
4 Final Words
Introduction
If your máy tính wont turn on or charge, then it doesnt necessarily mean that theres something critically wrong with your device. There are some nuances which you may not be aware of that can prevent your máy tính from charging or turning on and in most cases the issue can be resolved easily home. However, since this problem is a bit technical, you will have to put your problem-solving hat on and follow this guide to successfully troubleshoot your way out of a dead máy tính.
Also Read: Laptop Lags Slows Down When Plugged In Charging? [FIXED]
Dont worry though, its not as hard as you may think. Well go over a few different scenarios that you can follow along to get a better idea of whats going on with your máy tính. To keep things in order, we have divided this guide into two sections. The first section addresses the scenario where your máy tính wont turn on or charge the same time while the second one is focused on a máy tính that powers on but fails to charge. So, without further ado, lets dive in!
Laptop Wont Turn on OR Charge
Check the Laptop Screen
You are work, and your máy tính stops charging, you plug in the power cord and nothing happens. You shouldnt panic right away because the problem is often not as critical. You may think the máy tính is not charging, but there may just be an issue with your display. If you plug in your charger and the light on the charger turns on, then its probably your máy tính screen that has gone bad. If you can still hear the fan running, go ahead and connect your máy tính to an external monitor and see if the display pops up. If you can see your desktop externally, then its time to get a new screen.
Also Read: How to Turn Off Laptop Screen When Using HDMI Windows 10
Perform a Hard Reset
Often a máy tính wont start when an internal component or an accessory is defective. This is a protective mechanism to avoid any further damage that may occur due to faulty parts. In this situation a hard reset must be carried out.
Open your máy tính and remove all accessories, memory cards and also the battery and power supply unit. Once you have done this, press the power button for least three seconds. Now connect the máy tính to the power socket again. If your máy tính boots up, the battery or an accessory is probably damaged. To find out what the problem is, simply reinsert the battery. If the máy tính works now, the problem is with the accessories.
Also Read: How Long Does it Take to Factory Reset a Laptop?
Check the Charger Connection
Charging Port
To get to the bottom of the cause, you need to look every aspect that goes into charging. First of all, check whether the charging cable is firmly plugged into your máy tính. Even if it looks like it is, go ahead and push it in and see if that helps. If that doesnt work, you want to inspect your laptops charging port a bit more closely. Its possible that it has accumulated dust internally, so give it a gentle wipe with a cotton swab or a microfiber cloth.
You should also look for the light on your máy tính that turns on when you plug in the charger, if you see that it is working then you know that the charging port is functional. There is also a strong possibility that internal parts inside the port have malfunctioned or loosened up, if this is the case, a repair is in order. It might not be as much work as you think, though. We have a guide with several ways to fix your power jack without soldering.
If the charger is not working and you dont have a spare charger, we have guides to charging your windows máy tính without a charger, and also your chromebook.
Power Outlet
Sometimes the problem could be external as well. So, make sure that your power outlet is working because it could be the reason why your máy tính is not charging. There could also be voltage issues. Even if the light on the charger is on, there may not be enough power coming through, so go ahead and try a different outlet. If the problem still persists then you know that the outlet is not the issue here.
Also Read: How Many Watts Does it Take to Charge a Laptop
Damaged Charger
If you have children or pets home, its possible that one of them got a hold of your charger while you were away. If there are cuts, bites or tears on the power cord, then it is probably damaged. Sometimes these things are hard to spot so youre going to have to look a bit more closely. If you see any signs of damage, then you know your máy tính is not charging due to a faulty charger. If you do not have a spare charger lying around the house, then you can try charging your máy tính without a charger.
Faulty Power Button
Maybe the Power button itself is not working. To test this, try turning the máy tính on without the power button.
If you do not find any abnormalities and all is well with the charging port, charger, power button and the wall socket, then proceed to the next step.
Check the Battery
Natural Battery Life
A máy tính battery loses its ability to hold charge with time, especially if it has not been charged properly. You have probably noticed your battery life has gone down since youve bought your máy tính. Dont worry, this is pretty normal. Batteries usually have a limited number of cycles they can go through and eventually need to be replaced.
Improper Charging
External factors also contribute to the downfall of your batterys performance. It is not good for your battery to always be fully charged, which is why you should not leave your máy tính plugged into the charger for an extended period of time. Similarly, it is not advisable to have it regularly discharged either. It is best if the battery remains a constant level of 40 to 80 percent. If you havent been careful with your battery, then theres a pretty good chance that you need a new one.
Also Read: Can I Leave My Laptop Plugged in Overnight?
Testing the Battery
To test the battery, you need to first turn off your máy tính and take the battery out. Use a microfiber cloth or a cotton swab to wipe the connectors down carefully. It is possible that dust has accumulated and is now obstructing the connection between your máy tính and the battery. If that doesnt work, then your battery cells are probably done. Its time to get a new battery! You could try to replace the battery cells but realistically, its just not worth it to repair a defective battery in most cases.
Also Read: How to Replace Laptop Battery Cells
A quick way to verify this is by removing the battery and plugging in your charger to power your máy tính directly. If your máy tính turns on, then you know your battery was to blame. In this case, it just needs to be replaced. However, if the máy tính still does not turn on, then proceed to the next step
Laptop Turns on Battery Doesnt Charge
If the screen is still on, then the issue most probably lies with the internal components of your machine. The good news is that your máy tính itself is still intact. As already explained above, check the charging port first. If this is defective, your máy tính may not recognize the charger. If the máy tính battery has run out of juice, it will not turn on as a result. This might be the best scenario. In this case you only need to repair the charging port. If that isnt the issue then keep on reading.
Updating Battery Drivers
If youve gone through all of the steps above and everything seems to be fine, then its possible that your battery drivers are in need of an update. In most cases, youll see a Plugged In, Not Charging error pop up on your screen. If that is the case, go ahead and follow the steps below to update the drivers (Windows 10):
Step 1: Open the start menu and type Device Manager
Step 2: Now click on Batteries
Step 3: Now youll see two options here, one for the AC Adapter and one for the Battery
Step 4: Right click on the Battery option and choose Update Driver
Step 5: A new window will open up where youll choose the automatic driver search option
Once youve gone through the steps above, your battery should start working again. You may have to reboot your computer once after following the steps above.
Final Words
Weve now gone over a few steps that you can take if your máy tính does not power on or charge. It is best to always be proactive and avoid battery wear as much as you can. Please note that all máy tính batteries get weaker with time. However, you have the option to limit the wear and tear by following these steps:
- Only fully charge the battery if you really need to!Make sure that the battery never discharges completely.Try to keep a constant battery charge level of 40 to 80 percent.Do not expose the máy tính to temperatures that are too high or too low.
Most of the times the damage is a result of rough use, be gentle with your laptops since they are quite fragile by nature. Make sure the charger is always facing in the right direction when youre plugging it in your máy tính or you risk damaging the charging port.
You may also like:
Laptop Lags Slows Down When Plugged In Charging? [FIXED]
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How Long Does it Take to Factory Reset a Laptop?
How Many Watts Does it Take to Charge a Laptop
Can I Leave My Laptop Plugged in Overnight?
How to Replace Laptop Battery Cells
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