28.06.2013

Windows 8 how to control fan speed hp,flower ceiling fan pulls 96mm,9 news bronco fans - 2016 Feature

Author: admin  //  Category: Stand Fans


The PC-versus-Mac controversy took new life last week thanks to Jeff Atwood, who runs the Coding Horror blog.
Using the 15-inch MacBook Pro, in 2008 Shimpi discovered that the laptopa€™s battery life varied dramatically when running three different operating systems on top of the same hardware. Our interest piqued by Atwooda€™s blog post, we ran our own battery tests of different operating systems running on a single piece of hardware: In this case, the 2012 Ivy Bridge-based 13-inch MacBook Pro.
We then charged up the Air to full capacity and performed our standard Wi-Fi battery rundown test for each of the three systems, each time accessing a series of websites until the notebook conked out.
The results were telling: The MacBook Pro running Mac OS X Mavericks lasted just over 7 hours.
Aul told us that Applea€™s Boot Camp provides a thin layer of code between the operating system and the Mac hardware itself, along with drivers to access the Maca€™s hardware. For example, a Wi-Fi radioa€™s default driver setting may be set to maximum power to deliver the best throughput at maximum range. Hardware makers like Asus, Dell, and Lenovo spend a great deal of money tuning drivers and creating an optimized profile that trades some performance for battery life, Aul said. Windows runs a herd of background processes, some of which poll either the Internet, the CPU, or the disk for information or updates. That means Windows spends a great deal of effort trying to avoid spinning up the disk or touching the CPU for system activities, such as indexing the disk. It is possible, however, that a few poorly tuned, third-party applications may contribute to a decline in battery life, Aul said. Aul also suggested that if PCWorld created a so-called a€?Hackintosha€?a€”a Mac cobbled together and programmed with the Mac OS, and also Windowsa€”such an untuned configuration would favor Windows.
Arguably, running Windows on a Mac, or the Mac OS on a PC, are absurd tests that arena€™t going to give you clear answers on anything.
In Windows, the simplest way is to click the small battery icon in the Windows system tray. Amazon Shop buttons are programmatically attached to all reviews, regardless of products' final review scores. As PCWorld's senior editor, Mark focuses on Microsoft news and chip technology, among other beats. PCWorld helps you navigate the PC ecosystem to find the products you want and the advice you need to get the job done. This item will be sent through the Global Shipping Programme and includes international tracking. For parts or not working: An item that does not function as intended or is not fully operational.
By clicking Confirm bid, you are committing to buy this item from the seller if you are the winning bidder and have read and agree to the Global Shipping Programme terms and conditions - opens in a new window or tab.


By clicking 1 Click Bid, you are agreeing to buy this item from the seller if you're the winning bidder. This is a private listing and your identity will not be disclosed to anyone except the seller. Thinkpad s440 touch ultrabook - lenovo, Learn more about the thinkpad s440 touch ultrabook, a stylish 10-point multitouch small-business pc with premium performance features like rapidcharge technology. Windows 8.1 update - ' start dolby - lenovo forums, Hi sperl19, lenovo community forums! And at some point, someone will probably bring up the old battery life chestnut: Windows laptops simply run out of juice when you need them most, while MacBooks just keep chugging away. Atwood examined data supplied by Anand Lal Shimpi of AnandTech, ran some tests of his own, and then came to some alarming conclusions.
Looking at the Surface Pro he owned and the Surface Pro 2 he had on order, Atwood saw that the expected battery life of the new Surface Pro 2 was just a third better than the previous generationa€™s, at about 6.6 hours. Thata€™s about 2 hoursa€”or about 29 percenta€”longerA than it did when running Windows 7, which pooped out at just over 5 hours. Each driver is a bit of code that controls individual components, such as the Wi-Fi radio or the laptopa€™s display. Microsoft, in fact, released a firmware update last Friday for the Surface Pro 2 that significantly improves how the OS interacts with the Intel Haswell processor, improving battery life, he said. As I write this, for example, my PC is running eight applicationsa€”plus 118 background processes.
But if a user is calling up a photo or an application, Windows will piggyback on the request and accomplish a few key tasks. There, the problem would be reversed: The Mac OS would be a€?unawarea€? of the hardware, and not properly tuned. This will bring up a snapshot of the remaining battery charge, by capacity and estimated runtime. Haswell machines offer a mix of power efficiency and performance, and the Bay Trail Atom (Atom Z37xx series) allows everything from basic Web browsing to moderate gaming. We have also noted that we used the Windows Power Saver power profile on our Windows tests. Our parent company, IDG, receives advertisement revenue for shopping activity generated by the links. By clicking Confirm bid you commit to buy this item from the seller if you are the winning bidder. Import charges previously quoted are subject to change if you increase you maximum bid amount. This item may be a floor model or an item that has been returned to the seller after a period of use.


If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. Preventing this scenario has quietly emerged as the most significant design trend in mobile computing. In fact, Shimpia€™s tests showed that the MacBook Pro lasted almost 2 hours longer under OS X. We used Internet Explorer 10 for Windows 7, IE 11 for Windows 8.1, and Safari for the Mac OS, opting for each systema€™s default, stock browser. And even worse for Windows users, our data indicates that a€?upgradinga€? to Windows 8.1 is really a downgrade in battery life, as the new system expired at just 4 hours and 41 minutes. And according to Aul, the basic Boot Camp installation uses a mixture of generic drivers and unoptimized drivers.
And when a PC constantly powers on the Wi-Fi radio to download websites, those small differences can add up.
Apple is ahead on this game, but Windows users have some options for configuring their power settings, either through utilities provided by the computer manufacturer or via Windows itself. In the advanced settings, you have the option of limiting the available CPU speed and even controlling the fan.
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Smartphones like the Galaxy Note 3, LG G2, and Moto X have prioritized battery life, while power-sipping chips, like Intela€™s Haswell and Bay Trail Atom, now inhabit PCs that offer all-day computinga€”especially when paired with keyboards or covers with supplemental batteries inside.
AnandTech had also published battery-life tests indicating that the 11-inch MacBook Air lasted over 11 hours during Wi-Fi Web-surfing tests.
For instance, a laptopa€™s display and backlight can consume 20 to 25 percent of the typical power within a PC, so telling the laptop to shut them down automatically within a few minutes of inactivity can extend battery life a bit. And if youa€™re willing to fork over some additional cash, solid-state drives (SSDs) offer faster access times and lower power demands. At Microsofta€™s request, we also installed Flash on Safari to ensure that any webpages were rendered completely.



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