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You should be able to right-click on the installed drive and extend volume<br />
<br />
ref link: &nbsp;<a href="https://www.hdd-tool.com/windows-10/how-to-merge-unallocated-space.html" rel="ugc">https://www.hdd-tool.com/windows-10/how-to-merge-unallocated-space.html</a>
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As I said, it's greyed out.
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From the image, it looks like you will have to first move the recovery partition. &nbsp;Normally the partitions need to be next to each other in order to extend.
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Identity Management and Security

Devin Becker

<div>
snyperj,<br />
<br />
Commonly the problem is the partition in between the partition you are trying to extend, and your allocated space(in this situation your Windows RE partition), which if you right click, you can probably extend. If this is the case you will likely have to delete this partition in order to extend you C: partition.<br />
<br />
Try to see if extend is still greyed out when right clicking the Windows RE partition.<br />
<br />
Hope this helps,<br />
<br />
Devin Becker
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Ugh..extend is not even an option when I right click the Windows RE partition. &nbsp;What is a Windows RE Partition???? &nbsp;I would delete it but I don't even know what it is, so I am afraid to.
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snyperj

The More I know, the more I don't know

David Johnson, CD

<div>
Thanks, that is exactly what I did. &nbsp;I downloaded partition freeware and completed the merge in about 1 min. &nbsp;:)
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<div>
If only windows had made it that easy...<br />
<br />
Glad you got it taken care of.<br />
<br />
Best,<br />
<br />
Devin Becker
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<div class="content wysiwyg-content">
I have a new HP Omen laptop that I just installed a new 1 TB PCIe NVMe M.2 SSD hard drive.<br />
The laptop came with a 128 GB PCIe NVMe M.2 SSD &nbsp;(which I swapped out) and a 1 TB 7200 RPM SATA HDD which I left alone.<br />
<br />
I am a bit of a novice on this so I am confused with what to do next. &nbsp;Windows does not see the bigger drive and so it is all shown in Computer Managment as 'unallocated space'.<br />
<br />
It seems to me on laptops where i had done something similar in the past I was just able to right click the main area, select 'extend' and follow the prompts.<br />
<br />
However, extend is greyed-out when I try that? &nbsp; Help!<br />
<a href="https://filedb.experts-exchange.com/incoming/2019/01_w02/1409266/storage.PNG" target="_blank" class="file-inline" title="Computer Mgmt - Storage (107 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>storage.PNG</a>
</div>
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storage.PNG

I have a new HP Omen laptop that I just installed a new 1 TB PCIe NVMe M.2 SSD hard drive.
The laptop came with a 128 GB PCIe NVMe M.2 SSD  (which I swapped out) and a 1 TB 7200 RPM SATA HDD which I left alone.

I am a bit of a novice on this so I am confused with what to do next.  Windows does not see the bigger drive and so it is all shown in Computer Managment as 'unallocated space'.

It seems to me on laptops where i had done something similar in the past I was just able to right click the main area, select 'extend' and follow the prompts.

However, extend is greyed-out when I try that?   Help!

Windows 10 need help extending a newly installed hard drive

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Storage devices include any device used for storing and retrieving digital information. Hard disk drives (HDDs) use one or more rigid ("hard") rapidly rotating disks (platters) coated with magnetic material. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored or retrieved in any order and not only sequentially. The primary competing technology for secondary storage is flash memory in the form of solid-state drives (SSDs), but HDDs remain the dominant medium for secondary storage due to advantages in price per bit and per-device recording capacity. CD-RW (Compact Disc-ReWritable) is a digital optical disc storage format that allows information to be stored outside the mechanical HDD.

Storage Hardware

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.