Recover Windows: how to reinstall your system

15th Feb 2013 | 13:00

Recover Windows: how to reinstall your system

No disc? No problem! You can still restore your PC

Not so long ago, when you bought a PC with Windows 95 or 98 on it you received a disc along with it that you could use to reinstall the system if anything went wrong and you needed to replace the hard drive.

That all started to change with the launch of Windows XP, when rather than a disc you'd find simply a partition on the hard drive with the system files on it, from which you could create a recovery CD or rebuild the system directly.

This practice has continued with later versions of Windows and is compounded by the fact that many modern systems such as netbooks don't have a DVD drive to reload the system from. So what happens when you need to reinstall the system? We'll tell you.

Partitions and recovery discs

Most new systems prompt you to create a recovery disc the first time they're used, so if you've done so then you can boot from the disc and restore the system. Job done.

But a lot of people skip this step either because they don't have a blank disc to hand, their PC doesn't have an optical drive or they're just feeling lazy. If you skipped this, you won't therefore have a disc handy when things go wrong. But don't worry, that's why we've written this guide.

How to recover Windows systems

In most cases you can boot directly into the recovery partition via a hotkey sequence when the machine starts. How you do this varies between manufacturers, on Dell computers it's usually by pressing F12, for example, while some Lenovo systems have a special button on the keyboard. Your system documentation should tell you.

Whatever way you get there, booting to the recovery partition will give you a number of options. These vary according to the manufacturer but there are usually tools you can use to repair the system - by rebuilding the boot sector, for example, or setting it back to its factory state.

Finding install media

The problem with recovery partitions, of course, is that one of the most common causes of PC problems is a failed hard drive. This means that in most cases if the worst happens the recovery partition will have gone AWOL, along with the rest of your data.

In the past, with an XP or Vista system, this would have meant that unless you had access to a Windows install disc from somewhere else you'd have been stuck or have had to resort to the darker corners of the web or pay out money to the PC manufacturer for a recovery disc.

Now though, because so many modern systems come without discs, Windows 7 install media is available to download from Digital River. You will of course need access to another working PC to do the download. You'll need broadband too, since these are big files.

How to recover Windows systems

You can find the following Windows 7 versions on Digital River:

Downloading like this has the added advantage that you get a version with the latest service pack rolled in, so you save time on doing updates once the install is done. Check the licence key label on your machine to ensure you get the right version of the OS for your system before you start to download.

If you're planning on breaking your new Windows 8 system, make sure you've created the recovery media, as downloads aren't currently available and it looks likely that Microsoft will charge for replacement media.

Running the install

Once you've downloaded the appropriate ISO file from Digital River you can burn it to a DVD to create an install disc. If your PC doesn't have a DVD drive, or even if it does and you'd rather not use it, you can create a bootable flash drive by downloading the USB/DVD download tool.

Armed with your newly created media you can boot the system and begin an install. A clean install of Windows 7 is pretty simple - most of the time you just need to keep clicking Next, and it should only take about an hour on most systems.

How to recover Windows systems

Make sure you have a note of your licence key handy - on laptops it's often written on a label underneath, making it hard to read and type in at the same time.

Because you've installed from full version media using an OEM key, you probably won't be able to activate Windows automatically afterwards. That's not a problem, you'll just have to use the telephone method. This will mean a few minutes dealing with an automated system, but it's a free call to get a code, then you'll be good to go.

Identifying hardware and finding drivers

While the Windows DVD provides enough to get the system going, you'll probably find that the screen resolution is wrong and some bits of more obscure hardware such as card readers and trackpads don't work correctly after a reinstall. This means you need to track down the right drivers.

If you received a driver disc with your PC, everything you need should be on there. If not, or if your driver disc is a few years old and you want to check for newer versions, you'll need to do a bit of detective work.

How to recover Windows systems

Open up Device Manager and right-click on a piece of unidentified hardware. Select Properties and on the Details tab choose Hardware IDs from the drop-down list. Make a note of the VEN and DEV numbers, take these to PCI Database and you can find out what the device is and who made it. Once you have this information it should be straightforward to track down and download drivers on the manufacturer's website.

If you're still struggling with some items of hardware try installing a program such as SlimDrivers, which will scan the system and find any missing or outdated drivers for you.

How to recover Windows systems

Windows Windows 7 Microsoft TRBC
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