C Drive: Full of unmovable space: Unable to create enough space to Defrag

  m800afc 15:14 06 Apr 2012

Intel Core i7 CPU [email protected] 3.81GHz 12Gb RAM ATI Radeon HD 5770 Monitor 1 - BenQ2400W (Landscape) Monitor 2 - BenQ2400W (Portrait) Win 7 Pro 64bit: Epson Stylus Photo R1900: Saitek Eclipse III Keyboard

My C drive is a 75GB SSD. This drive is showing as full, but on a defrag analysis it contains about 25Gb of fragmented space. I am unable to delete applications to create enough space to do a complete defrag. The fragmented space is labelled as "Unmovable" I have run the usual malware checks and they have found nothing unusual. I have also run CCleaner, but this too is unable to free up space.
I would appreciate any help on this problem.

Cheers all

  Fruit Bat /\0/\ 15:34 06 Apr 2012

DO NOT defrag an SSD.

  1. There is no need, as the data is gathered from the drive in a totally different way from a normal HDD with platters and moving heads

  2. Just like a pen drive there is a limit to the number of write / rewrite the drive can take, defragging erases and rewrites data across the drive

  m800afc 15:58 06 Apr 2012

Thanks for the advice. I have just done a defrag analysis (not a defrag) and it reports the drive as 57% defragmented. It shows as full. Is it really full?

  Fruit Bat /\0/\ 16:06 06 Apr 2012

How much free space is the drive showing in properties?

  Fruit Bat /\0/\ 16:10 06 Apr 2012

Its probably the swapfile

which really needs moving to another drive.


  rdave13 18:37 06 Apr 2012

I would leave the pagefile alone if you've under 8 gig of ram, personally.

If, however, you never use hibernation then you'll gain a lot of space if you disable it.

Scroll down a bit for disabling hibernation, Link.

  KRONOS the First 18:57 06 Apr 2012

Disable defrag, move all your My folders to the secondary drive.Move libraries . Change the amount of space system restore uses or switch it off as I do. System restore.I find it simpler to just reinstall if it's absolutely necessary. If you play games make sure you install on your secondary drive. As rdave13 says disable hibernation. If you Google SSD tweaks you will find plenty to help you maximise your SSD.

I had a 60GB SSD and with Windows 7 and around 50 program's I still had around 16-19GB free.

  rdave13 19:11 06 Apr 2012

A useful free program to have is Abelsoft's SSD Fresh, PC Advisor link.

  john bunyan 19:14 06 Apr 2012

I use TreeSizeFree to see what file sizes are around. More explicit than Windows Explorer.Maybe you can see what is causing the problem.

  m800afc 20:44 06 Apr 2012

Thanks everyone for the advice.

I took rdave13's advice and ran Abelsoft's SSD Fresh, and subsequently moved the page file to the D drive. The result was that about 30Gb was freed up.

Problem solved.

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