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If you don't have the necessary tools to hand, download the executables onto a clean (newly formatted) USB drive from another computer that's free from infection. Don't expect the scanning process to be quick: you want the full, deep-scan option ticked, so be prepared to wait a few hours for the results. rootkit detection and removal utility. Rootkits can be particularly troublesome, since they penetrate deeply and intercept the Windows API at a low level. By hiding folders, files, processes and Registry keys, a rootkit can ensure that malware remains invisible to the user and antivirus scanners alike. Unlike most malware scans, a rootkit scan is quick – it only takes a minute or so – and TDSSKiller makes removal a simple matter of pressing a button and rebooting the PC after it's finished.The best way to transfer files between your PC and Android is to send them over a shared wireless network. There are many apps you can use for this, but our favourite is Filedrop. Here’s our no-fuss guide to getting it set up.

Step one: First, you’ll need to install the app on your mobile device, and download the companion software for your computer. After a brief install, fire up the program on both devices, and click the scan buttons.Step two: The PC program will ask you whick kind of device you’re trying to connect. Select the type of device, and it will prompt you to input the device code.How to transfer files between Android and PC without a cable Step three: This code can be found by tapping the options icon in the device app. Enter the code, and the computer will be paired with your mobile or tablet.Step four: Dropping files between the two is simple – just drag and drop files into the program window on your PC.Step five: If you’re transferring from Android to Windows, tap the icon for your PC in the app, then select either the file browser option to navigate to your chosen documents, or the gallery option to quickly select multiple photos.

In the first days of mobile phones, Bluetooth was the perfect way to swap small amounts of data. Today, while not ideal for large or multiple uploads, it still remains a convenient way to transfer files. Since most current-generation laptops are Bluetooth enabled, it’s also a snap to set up.Step One: To begin with, you’ll want to ensure your PC’s Bluetooth is switched on. You can find the option in your system notification tray to the right of your taskbar.Step two: Once it’s turned on, go into devices and printers and click add a device. If your device’s Bluetooth is switched on, your computer should pick it up without any problems. Select it, and click next.How to transfer files between Android and PC without a cable Step three: Your PC will then show you a code to ensure that you’re connecting to the right device, which should also appear on your smartphone or tablet’s screen. Verify that the codes match, and then continue. Step four: Once you’ve clicked next, the two devices should be paired, and ready to swap files in the same way you would between two mobile devices. If your Android device supports USB On-The-Go (OTG), then there are a whole range of devices that can work as flash drives for your smartphone or tablet as well as traditional PC.

Solid-state storage used to be prohibitively expensive and hampered by tight capacities, but the market has recently matured. SSDs are now viable alternatives to hard disks, thanks to lower prices, higher capacities and faster speeds.It’s a fast-moving part of the tech world, which means rapid innovation is the norm. The number of new techniques and technologies present in SSDs means there’s a lot to look out for when buying a drive – it’s certainly trickier than picking a hard disk.Flash memory chips form the bulk of an SSD, and advances in this space have the biggest influence on the performance and longevity of the drives you buy.The most recent technological development was introduced by Samsung in May, in the shape of 3D V-NAND. This marks a big change in how SSD memory is constructed: instead of installing transistors in traditional horizontal layers, this drive stacks them vertically too.This change means Samsung can pack in many more transistors without shrinking the manufacturing process, so the NAND doesn’t suffer from the performance inefficiencies, current leaks and higher costs associated with smaller process nodes.

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The 850 Pro employs a 40nm process – an archaic-sounding choice compared to the sub-20nm chips used in other commercial drives – but that’s moot when the Pro’s vertical arrangement means Samsung has the luxury of extra space.This innovation means Samsung is finally free from the shackles of chasing smaller processes. That’s been the path of SSD development for several years, despite the obvious cons: smaller nodes mean better performance, but they put more demands on the components and reduce endurance. For those reasons, other firms including Intel are already moving down the same path to improve storage deficiencies.The flash memory in modern SSDs comes in three types: SLC, MLC and TLC. These acronyms describe the number of bits stored in the cells that make up NAND memory, with single-, multi- and triple-level used in different drives.Each type of NAND has pros and cons. Single-level cells have the best endurance and raw speed, but they’re more expensive to produce, since each NAND cell stores only one bit, and thus storage density is lower. SLC SSDs are typically used for mission-critical PCs that read and write huge amounts of data.

The next step up, MLC, stores two bits per cell. This makes it cheaper to produce drives with the same capacity as an SLC equivalent, but longevity is hampered. The increased number of bits in each cell means it’s more difficult to distinguish between the states, which reduces endurance: on an atomic level, higher voltages and more frequent changes in the charge level cause the silicon-oxide insulation inside the cells to erode at a faster rate.Triple-level cells increase the capacity and reduce the cost even more, but performance and endurance decline further. These disadvantages mean MLC and TLC drives aren’t suitable for intense workloads, but they have ample endurance and performance for home and gaming systems – and generally, they’re cheaper. Flash memory controllers manage the interactions between the NAND cells and the rest of the PC. They don’t handle only file reads and writes – they also manage drive maintenance and cleaning procedures.

Many SSD manufacturers source controllers from third-party firms. Marvell is consistently popular, and controllers are often bolstered by custom firmware that allow for different areas of a drive’s performance to be emphasised.Other firms develop their own silicon. Samsung produces its own triple-core MEX parts, and Intel also produces homegrown controllers.Every modern SSD uses the current SATA III standard to connect to your PC or laptop, and its maximum transfer rate of 6Gbits/sec is enough for consumer applications. But this is also on the road to change, and newer connectors could soon supersede SATA.The most prominent currently is mSATA, which is already found inside many laptops and on most high-end motherboards. It’s a SATA III interface but, crucially, squeezed into a tiny space – the connector is slimmer than a SATA plug, and the drives themselves are several times smaller than normal SSDs.

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Drives compatible with the mSATA standard are plentiful, but they’re still limited by SATA III’s maximum bandwidth – an issue that will become more significant as NAND chips become faster and cheaper.A new form factor, M.2, solves this by cramming the SATA Express interface – which supports both SATA III and PCI Express 3 – into an even smaller connector.Its maximum transfer rate of 16Gbits/sec outstrips SATA III, and M.2 drives can come in several different lengths and widths. If anything will replace SATA, it’s this.That’s for the future, though. Assuming you’re buying today, the most important consideration may also be the most banal one: physical size. Most 2.5in SSDs sold these days are 7mm thick, but a handful are still the chunkier 9.5mm. These thicker drives may not fit inside laptops that only accept the slimmer parts. Take a peek inside the box, too. Some drives come with spacers to bulk out 7mm drives to fit into 9.5mm bays, and others come with adapters so they can be installed in a desktop PC’s 3.5in hard disk bay.

Also check the warranty. Some SSDs, such as Samsung’s 850 Pro, come with generous ten-year deals, but more affordable SSDs often make do with two or three years of coverage. The final thing we’d check before buying an SSD is its endurance rating. Endurance is measured in gigabytes or terabytes, and these measurements represent how much data can be written to the drive before it’s liable to fail.Endurance ratings in gigabytes generally indicate the amount of data that can be written to the drive daily, while a terabyte rating represents how much data can be written over the drive’s lifespan – its warranty period. These figures vary wildly. The cheap Crucial MX100 is rated for a modest 72TB workload, while the pricier Samsung 850 Pro is rated for 150TB.Both of those figures are ample for typical consumer machines, but it’s worth paying attention in work systems that deal with intensive read and write processes.Another backed that up: "I thought for sure one of my cats sprayed it, but there was something faulty with it so I had it replaced. The next one had the same exact issue. It's embarrassing taking it to clients because it smells so bad." http://www.batteries-pc.com/lenovo.html http://www.batteries-pc.com/lenovo.html