Mẹo Hướng dẫn Why does my máy tính run better when plugged in? Chi tiết Mới Nhất

Quý khách đang tìm kiếm từ khóa Why does my máy tính run better when plugged in? Chi tiết được Update vào lúc : 2022-03-11 08:50:00 . Với phương châm chia sẻ Kinh Nghiệm Hướng dẫn trong nội dung bài viết một cách Chi Tiết 2022. Nếu sau khi tìm hiểu thêm Post vẫn ko hiểu thì hoàn toàn có thể lại Comment ở cuối bài để Mình lý giải và hướng dẫn lại nha.

Pro đang tìm kiếm từ khóa Why does my máy tính run better when plugged in? được Cập Nhật vào lúc : 2022-03-11 08:50:06 . Với phương châm chia sẻ Bí quyết Hướng dẫn trong nội dung nội dung bài viết một cách Chi Tiết Mới Nhất. Nếu sau khi đọc nội dung nội dung bài viết vẫn ko hiểu thì hoàn toàn hoàn toàn có thể lại phản hồi ở cuối bài để Tác giả lý giải và hướng dẫn lại nha.

My máy tính seems to be running infinitely faster whilst charging then it does when it’s not charging for some reason.

Know Your Laptop Battery

Things That Damage Lithium Batteries
Charge or Voltage Level

Should You Remove the Battery?

Should You Keep Your Laptop Plugged In?

My setup is an i7 9th gen w/ an RTX 2060.

I ran some quick benchmarks in Blender. While plugged in, an image renders in about 40 seconds. However, when I unplug it, it takes upwards of 3 minutes to render! (I’m using my graphics card for these benchmarks).

Here is the original, more detailed post. Please note that while the wording of that post is tailored towards Blender, my máy tính is just faster overall while plugged in, period.

Why is this and how do I fix this?

I hypothesize that this is because of power allocation. Maybe the processor and graphics card combined are taking more power than the computer is willing to give. However, I don’t know how to change this. I’m not too well educated on this topic, so is this even possible? Thanks.

EDIT:

Someone has brought to my attention that my batter performance-mode might be set to better battery life. I can confirm that I always make sure to set it to Performance on startup, if it’s set to something else, regardless of whether it is charging or not.

EDIT 2:

A lot of people seem to be suggesting the fact that my apps might be using the integrated graphics when the máy tính is not charging. I have already configured apps I frequently use (such as Chrome) to use the High-Performance Nvidia processor from the NVIDIA Control Panel. Aside from that, Blender, the benchmarking app, gives an explicit option to choose between rendering on the GPU or the processor. I have chosen the RTX processor (GPU) already and the problem persists all the same.

At one point or another, all máy tính users find themselves pondering the same question: is it bad to leave your máy tính plugged in all the time?

Turns out, the answer isn’t entirely straightforward. So let’s take a look.

Know Your Laptop Battery

There are two main types of batteries used in laptops: lithium-ion and lithium-polymer. Although they are different technologies, they function in broadly the same way, generating power through the movement of electrons.

This constant flow is also needed to help keep the battery healthy.

For both types of batteries, the following statements are true ( least as far as modern laptops are concerned):

    A battery cannot be overcharged. There’s no danger of overcharging a battery if you leave it plugged in all the time. As soon as it hits 100 percent, it will cease charging and won’t start again until the voltage falls below a certain level.

    Fully discharging a battery will damage it. Allowing the battery to become completely empty for an extended period can put it into a deep discharge state. This can be fatal—you might never be able to charge it again. (You can try these methods to jump-start a dead máy tính battery.)

So, based on this, do we conclude that you should leave your máy tính plugged in all the time? Not quite.

Things That Damage Lithium Batteries

The truth about lithium-based batteries is that they are inherently unstable. They begin to lose capacity from the moment they are produced, and numerous factors hasten their decline. These include:

    Charge/discharge cycles. Every battery has a finite number of times it can be charged and discharged.

    Voltage level. The higher the charge level (measured in volts per cell), the shorter the battery’s life.

    High temperature, over 30 degrees celsius. This can cause irreparable damage.

The last two are the ones that we’re most concerned with here. A comprehensive study by Battery University highlights how voltage levels and high temperatures will shorten the life of a battery in isolation and even more when they combine.

Charge or Voltage Level

Lithium-ion batteries charge to 4.20 volts per cell, which amounts to 100 percent of its capacity. At this level, the battery will have a lifespan of 300-500 discharge cycles.

Every 0.10V/cell reduction in the charge doubles the number of discharge cycles until the optimum level is reached: 3.90V/cell, with 2400-4000 discharge cycles.

Unfortunately, this level, the battery is only around 60 percent charged. The runtime will be a little more than half of a fully charged battery.

Heat

And then there’s heat. High temperatures, typically classified as being over 30 degrees Celsius, will shorten the life of a battery irrespective of any other factors. Simply leaving your máy tính in your car on a summer afternoon is a bad idea.

When you combine the stress of high temperature with the stress of high voltage, the effects are even worse.

The Battery University study shows that a battery stored with a 40 percent charge 40 degrees would see its capacity fall to 85 percent after a year.

Charged to 100 percent, the capacity falls to 65 percent under the same conditions. For a fully charged battery 60 degrees, the capacity plummets to 60 percent in just three months.

The evidence seems clear. Keeping the battery permanently charged 100 percent will slowly shorten its life. Keeping it 100 percent and exposing it to high temperatures will shorten it much quicker.

And remember, these high temperatures are not just environmental. Resource-intensive tasks such as gaming or video editing will considerably increase heat levels, and using the máy tính on a pillow or in a poorly designed case will trap that heat as well.

For the sake of your battery, it’s always a good idea to fix an overheating máy tính.

Should You Remove the Battery?

If heat is such a danger, it begs another question. Should you remove the battery altogether when using your máy tính on AC power?

Obviously, this isn’t possible on the growing number of laptops that sport sealed batteries.

Where they are replaceable, the answer seems to vary from one manufacturer to the next. Acer, for instance, says you don’t have to remove the battery on AC power, but should remove it if you aren’t going to use it for several days. When Apple produced laptops with removable batteries, it advised against ever taking them out.

It all comes down to the power management setup in the máy tính. Some may reduce the power when a battery isn’t present, just as some do when the battery level gets low. This could leave you with subpar performance.

If you do choose to remove the battery, ensure that you store it properly. This usually means being charged between 40 percent and 80 percent and kept room temperature.

Should You Keep Your Laptop Plugged In?

Does leaving your máy tính plugged in ruin the battery? Yes, it does. But then so does charging it every day.

Curiously, the industry as a whole doesn’t seem to have settled on a single answer for the question about whether to use your máy tính on AC or battery power.

We’ve seen that Acer recommends removing the battery when you aren’t using it. Asus says you should drain the battery to least 50 percent every two weeks. But Dell says there’s no problem leaving the máy tính plugged in all times.

Apple’s advice is no longer on its website, but you can still read it trực tuyến. The company recommends against leaving a máy tính plugged in all the time. Instead, it suggests:

“An ideal user would be a commuter who uses her notebook on the train, then plugs it in the office to charge. This keeps the battery juices flowing…”

Leaving your máy tính plugged in will not cause short-term damage, but if you only ever use it on AC power, you’ll almost certainly find that after a year, the battery’s capacity has been significantly reduced. Similarly, if you only ever use it on battery power, you’ll get through the battery’s discharge cycles quicker.

So, the best solution is something of a compromise between the two: use it on battery power some days, and keep it plugged in on others. And whatever you do, you’ll want to make sure it doesn’t get too hot.

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