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Hard drive size puzzle after Anniversary Upgrade
I have a situation which I am totally unable to explain.
I have a Dell 1750 notebook and a Dell 660s. Both run the 32-bit Windows 10 on a 64-bit hardware architecture.
The only significant difference in installed software is that the Dell-660s has Microsoft Flight Simulator installed.
Obviously, the sizes of the C: drive should reflect a small difference because of Flight Simulator and some support software for it. Also for minor differences in hardware and hardware support software. No user data is stored on either hard drive.
Since the Anniversary Upgrade (perhaps coincidental) the Dell 660s seems to have a huge amount of additional material on C:. And I can't find it. Prior to that, they were within any logical differences, a gig or two. If I total the space of the folders on C:, they still are. But File Explorer shows a great difference. Full backup images (Acronis) of the entire hard drives, both with the same compression level, are 18gB vs 23gB, supporting the File Explorer number for C:total total usage.
$GetCurrent, and Windows10Upgrade are not removed by Cleanup System Files. For some reason Windows.old was removed on the Dell 1750 but will not go away on the Dell 660s.
Recap: (See below for details)
35.5gB --- 54.5gb ------- C:
36gB ----- 38.6gB ------- Rough totals adding the sizes of the large (gB) individual folders.
-0.5gB --- 15.9gB ------- Difference I can't find or explain
Can anyone suggest what I may be missing, where I can find it, and how to get rid of it if it isn't necessary?
Here are the detail numbers for the folders on C:with "Show hidden files, folders and drives" checked and "Hide protected operating system files" unchecked.
d/n/s: difference, but no sweat
n/p: not present on this computer
35.5gB ------- 54.5gb ----- C: (Wow!!!!)
246kB -------- 246kB ------ $GetCurrent
821kB -------- 129B -------- $RECYCLE.BIN (d/n/s)
20.7mB ------ 17.7mB ----- Boot (d/n/s)
440kB -------- 440kb ------- Brother
0 --------------- 0 -------------- Config.Msi
334mB ------ 12kB --------- Dell (d/n/s) (notebook support)
a link on both Documents and Settings
606B --------- 0 -------------- Downloads from Firefox (d/n/s)
168mB ------ n/p ------------ Drivers (d/n/s) (notebook support)
256kB ------- n/p ------------ EFI (d/n/s) (not sure why it is there)
n/p ------------ 24.8mB ----- Flight One Software (d/n/s)
97.1kB ------ 97.1kB ------ inetpub
0 -------------- n/p ------------ Installer
413kB ------ 74.4kB ------- Intel (d/n/s)
n/p ----------- 1.86mB ------ MININT (d/n/s)
n/p ----------- 0 --------------- MSOCache
10.4gB ---- 12.5gB ------- Program Files (d/n/s)
751mB ---- 681mB ------- Program Data (d/n/s)
0 ------------ 0 ---------------- Recovery
0 ------------ 0 ---------------- System Volume Information
4.26mB --- 2.48mB ------ Users (d/n/s)
1.37mB -- 1.37mB ------- VC_RED.cab
139kb ----- 0 --------------- WCH.CN (d/n/s)
10.2gB --- 10.gB --------- Windows (d/n/s)
n/p --------- 740kB -------- Windows.old (d/n/s)
15.4mB -- 15.5mB ------ Windows10Upgrade (d/n/s)
(Edited to make table a bit more readable and to clarify some comments.)
Last edited by ARYLIOA; 16 Aug 2016 at 13:03.