System UEFI bootable (EFI/Windows boot menu).Partition 2 - System ( SYSTEM_DRV) - 260MB.

Used when booting into Windows Recovery (Win RE) environment.

Windows RE bootable (for Recovery Mode).

Partition 1 - Recovery ( WINRE_DRV) - 1000MB.

Here's a short description of each partition: More information about GPT disks on Windows can be found here and here. The answer comes from Microsoft, who publish a recommended disk layout for Windows 8 UEFI-based installations. But there are still 7 partitions on the disk - are they really necessary!? Shouldn't it have been solved? Well, it is in fact much better compared to previous Yoga edition. So what are all these partitions eating up the space? In the past, there have been complaints about Lenovo messy disk partitioning. Running diskpart on Command Prompt reveals it: In fact, there is one partition that is not shown here, because it is hidden. NOTE: To open Disk Manager on Windows 8, hit WinKey+X, then choose 'Disk Management'. Looking at the Disk Manager, here's the layout you see: So, the advertised capacity of 256 GB actually means:Ģ56 'GB' = 256 x 10 9 / 2 30 = 238.4 GB Understanding Lenovo Yoga Pro 2 Partitions In computer terms, 'G' (giga) or 'billion' refers to powers of 2: Term Advertised 256 GB really means 256 billion bytes, using powers of 10 for the 'G'. Not a surprise - I should have known better given my background. 256 GB doesn't mean what you thinkįirstly, the disk itself reports 238.35 GB in total. A saga to reclaim what's rightfully mine had begun. Since I already felt tight for getting only 256GB, it was surprising to see that Windows was showing only 218GB available!! That's not right - already down almost 40 from the envisioned number. 256GB is not that much space by today's standards, and I was already over that on my previous laptop, mainly due to the large library of photos. Recently I got the Yoga Pro 2, which is one of the best ultrabooks on the market right now, and to opted for the 256GB SSD model, which is a much better value for money than the top-spec'ed 512GB. How to cleanup default factory partitions and reclaim some previous space on the SSD drive on your new Lenovo Yoga Pro 2.

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