27 votes
Accepted

Is it okay that part of the power jack is outside the device?

That's fine, and within normal tolerances. Some sockets will be deeper than others, so cable manufacturers leave themselves a bit of extra length on the plug to ensure maximum compatibility. There ...
spikey_richie's user avatar
26 votes

Windows 10 laptop: is it possible to find when the laptop charger was plugged-in the last time?

Yes you can. On a command prompt, type powercfg /batteryreport. Then open the resulting file C:\Users\<username>\battery-report.html. You will see a list of dates and times when the power state ...
Paul's user avatar
  • 1,128
12 votes
Accepted

USB-C Chargers: Is it safe to charge a phone with a laptop's power supply?

Type-C original specifications (and Power Delivery specifications over Type-C connector, if any) are designed precisely for the sake of compatibility and inter-operability. Since both Type-C devices ...
Ale..chenski's user avatar
  • 12.7k
11 votes

Does a USB-C Power Delivery splitter exist?

That kind of splitting would be dangerous and potentially damage devices. If you need a splitter then buy an active hub. I cannot find any that advertise multiple PD outputs (only pass through for a ...
Mokubai's user avatar
  • 92.6k
7 votes
Accepted

Howto repair broken USB-C Power Delivery cable?

USB C is a dense pinout connector and Power Delivery requires more than just the "standard" USB 2.0 pins of Data+, Data-, 5V and GND. From EE: How does a USB C port provide the power to ...
Mokubai's user avatar
  • 92.6k
6 votes
Accepted

Is it safe to try charging my laptop with a USB-C PD charger that has less wattage than recommended?

tl;dr: Most likely, this will simply not work. Not worth trying. Firstly, it's quite clear that it won't meet the 45 W the laptop expects. With traditional chargers (those that are a 'dumb' DC SMPS) ...
Bob's user avatar
  • 61.6k
6 votes
Accepted

Do the PPS fast charging and USB PD standards only specify USB-C cables?

You cannot possibly do PD, including PPS, over a Type-A connector. USB-PD requires communication over the CC pins that are present in a Type-C connector but absent in a Type-A connector. A-to-C cables ...
Bob's user avatar
  • 61.6k
5 votes

Cann I use a 19.5V 4.62A laptop charger for 19V 4.74A laptop?

To be absolutely safe: No, you shouldn't use chargers with different voltages at all and if you do, you will most likely void the warranty of either the laptop, the charger, or both. That also goes ...
Random Elephant's user avatar
5 votes
Accepted

Why are there chargers available for the same laptop with different wattages?

The laptop would only use the wattage it needs. The chargers most likely have the same connector to the laptop and the manufacturers are offering higher wattage to make their chargers more appealing ...
Giacomo1968's user avatar
  • 54.8k
4 votes

Disable beep sound when plugging/unplugging laptop charger

My laptop makes an annoying beep sound whenever I plug or unplug the charger. Windows 8.1/Windows 10: Disable the System Speaker device: Open "Device Manager". Scroll down to "System Devices". ...
DavidPostill's user avatar
  • 157k
4 votes

Disable beep sound when plugging/unplugging laptop charger

I don't know if you still need this answered but I had the same problem, and it doesn't look like it was answered here. Right click on your sound icon and open sound settings. Sound > Advanced Sound ...
Bex's user avatar
  • 51
4 votes

Why does my macbook give a slight tingling sensation when it is charging and what could i,we or Apple do about it?

It definitely sounds like their MacBook is not properly grounded. Take it to an Apple store for service.
Keltari's user avatar
  • 73.2k
4 votes

Can I use different laptop charger- similar Voltage, higher Ampere?

Yes, as long as the voltage is the same and amperage is more than required, the laptop charger will work (assuming the plugs fit)
Lawrence's user avatar
  • 4,315
4 votes
Accepted

Can I use different laptop charger- similar Voltage, higher Ampere?

Assuming they're both genuine Lenovo chargers with the same connector, the answer is most likely yes. Case in point: my HP ENVY x360 13 shipped with a 45W adapter. It'll charge on a separately-...
bwDraco's user avatar
  • 46.1k
4 votes

Is it safe to insert USB-C charger into a laptop that does not support charging via USB-C?

It's perfectly safe to do it since the USB-C Specification does take this into account. This snippet from the spec clearly describes it: What this essentially means is that unless there is a DFP-UFP ...
KJ Sudarshan's user avatar
4 votes
Accepted

Is it possible to charge a laptop via a USB-C-to-DC adapter plug?

"It depends" is about the best you are going to get. It depends entirely on what the PD charger can put out, how intelligent the adaptor is to be able to select the right output from the PD ...
Mokubai's user avatar
  • 92.6k
3 votes
Accepted

Why does my macbook give a slight tingling sensation when it is charging and what could i,we or Apple do about it?

It's pretty much standard with 2 pin chargers and a metal case. It's not dangerous, just electrical "noise". The intensity may vary slightly if you plug it into a different wall socket, or go through ...
Peter's user avatar
  • 4,612
3 votes

Can we use macbook pro charger to charge Lenovo thinkpad T470 laptop

The T470 can be charged via USB-C (Lenovo even sells such chargers as accessories for the T470) , so if your MacBook Pro charger is a USB-C charger it should work. Charging may be faster or slower ...
Tonny's user avatar
  • 31.4k
3 votes
Accepted

What does the "three A's arranged into a triangle" symbol mean on a laptop charger?

This is a Serbian "conformity mark", mostly equivalent to the European "CE" sign (that is, both have the same requirements). http://www.bsccentar.rs/index.php?page=tria_eng http://www.ratel.rs/...
3 votes
Accepted

One laptop charger for laptop and monitor?

The brick which are calling a "charger" is not actually a charger. It's an AC to DC converter. Monitor and the laptop each have their own built-in charge controllers (and do those special things ...
Nick Alexeev's user avatar
3 votes

My laptop charger blew a fuse in it, should I just short it?

You do realise a fuse has a purpose? That purpose is to prevent you setting fire to your house &/or electrocuting yourself. Its secondary purpose is to prevent permanent damage to the equipment ...
Tetsujin's user avatar
  • 49.5k
3 votes

My laptop charger blew a fuse in it, should I just short it?

Just an opinion... Not an answer as I don't know the ins and outs of any charger but if the charger blew a fuse that means that there was too much current flowing through it. If for some reason, the ...
Nabeel Parkar's user avatar
3 votes
Accepted

Can a USB-A charger be used for USB-C laptop charging using an adapter?

Your laptop uses Type-C charging port, and it is made after 2016. Therefore it must use only PD (Power Delivery) as a standard means for voltage/power negotiation, per specifications for Type-C ...
Ale..chenski's user avatar
  • 12.7k
3 votes

My laptop charger is turning off during any gpu usage and then the battery drains 5% in one minute

When rendering (or gaming or any other power-hungry application), your system uses more power than your charger can deliver by itself. The extra power your system needs comes from the battery, which ...
StarCat's user avatar
  • 1,220
3 votes

Howto repair broken USB-C Power Delivery cable?

The cable with the plug you want to connect is not a suitable replacement. It is a loose USB-C 2.0 cable with a power line and a D + D- line without the PD (Power Delivery) function. You must use the ...
Darth Vader's user avatar
3 votes

How do I find how much a battery pack can charge my device?

If the vendor is honest, it's not too difficult to calculate. The computer has a "39994 mWh" battery, that is, about 40 W-h (i.e., can supply ~40 watts for 1 hour). A full charge would have ...
DrMoishe Pippik's user avatar
3 votes

Can I charge my MSI laptop with other brand charger?

The voltage of the new charger should be identical (in practice up to 5% difference should be OK). The current needs to be NO LESS then the stated 3.25 amp current - however a higher current is ...
davidgo's user avatar
  • 70.6k
2 votes
Accepted

How to determine USB charger quality?

It's a rather complex answer overall, but I will try to cover the important aspects. Things to note: Most of the current mobile devices use Li-Ion batteries or cells to power up. All Li-Ion ...
Overmind's user avatar
  • 10.1k
2 votes

charge old battery with adapter

Trying to charge a battery using a simple voltage from something like a wall-wart style power brick is a good way to start a fire. Many batteries require a specific voltage and current profile to ...
Mokubai's user avatar
  • 92.6k
2 votes

Disable beep sound when plugging/unplugging laptop charger

I'm currently using Acer Aspire 5. Everything is working fine. Audio and mic are OK. Except for the annoying beep when I plug in/unplug the charger. So here is the fix that I found that just gets rid ...
Gabriel's user avatar
  • 21

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