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Windows 7: SSD - Fix Misalignment


02 Jan 2012   #29
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 
SSD - Fix Misalignment

If the alignment of your SSD is not divisible by 4, you will suffer a noticeable performance degradation. On an SSD with an installed OS, this situation is not easily corrected. You can try the Click here to read the entire tutorial


My System SpecsSystem Spec
12 Jun 2012   #30
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

1. For the general question of what alignment of a SSDs means I recommend Google - especially Wikipedia.

2. Secure Erase cleans the SSD of all data which speeds up future Write operations. It does the same as Trim and Garbage Collection except that you get an immediate clean SSD rather than a cleanup over time. This article explains what happens: Garbage Collection and TRIM in SSDs Explained - An SSD Primer - The SSD Review

3. If you do a clean install, the Windows installer will align the SSD automatically. If you want to make sure that the 100MB system partition lands on the SSD, it is advised to disconnect all other disks during the installation. Why? - because the installer has the habit of placing the 100MB system partition on the disk with the lowest port number - and often that is not the SSD. Should you have the mishap of the 100MB system partition (and thereby the bootmgr) landing on another disk, I suggest to move the bootmgr to the C partition on the SSD. Bootmgr - Move to C:\ with EasyBCD. In fact I always move the bootmgr to C in all cases because that makes imaging and recovery a lot easier.

My System SpecsSystem Spec
05 Jan 2013   #31
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by Saurabh A View Post
Very useful
Thanks.
My System SpecsSystem Spec
26 Jan 2014   #32
brummyfan

Windows 7 Home Premium 64bit
 
 

Thanks whs, great help
My System SpecsSystem Spec
26 Jan 2014   #33
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

You are welcome.

There is a new free program on the market that claims to aling misaligned SSDs => AOMEI Partition Assistant. I have not yet tried it, but it is an option. My guess would be that you cannot do it on an active SSD from the installed program but need to do it with their bootable CD or stick. Else run the SSD in an external enclosure and do it there.
My System SpecsSystem Spec
26 Jan 2014   #34
brummyfan

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by whs View Post
You are welcome.

There is a new free program on the market that claims to aling misaligned SSDs => AOMEI Partition Assistant. I have not yet tried it, but it is an option. My guess would be that you cannot do it on an active SSD from the installed program but need to do it with their bootable CD or stick. Else run the SSD in an external enclosure and do it there.
Yes, I used that new program and worked perfectly and it works in PreOS environment.
My System SpecsSystem Spec
26 Jan 2014   #35
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote:
and it works in PreOS environment
Do you mean in the RE (F8) ?
My System SpecsSystem Spec
26 Jan 2014   #36
brummyfan

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by whs View Post
Quote:
and it works in PreOS environment
Do you mean in the RE (F8) ?
No, when I clicked "Partition Alignment" it rebooted in to Pre OS environment.
My System SpecsSystem Spec
26 Jan 2014   #37
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

That sounds like it is going into RE. Interesting trick.
My System SpecsSystem Spec
27 Jan 2014   #38
brummyfan

Windows 7 Home Premium 64bit
 
 

I did back up my Vista on to a hard drive and recovered with Macrium to install on a SSD but it was misaligned, then I saw your tutorial and tried AOMEI P Assist and amazed how easy it was to use the program.
My System SpecsSystem Spec
27 Jan 2014   #39
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Yeah, the AOMEI people seem to have done a good job. There is, however, still work in progress because there are some problems on a 32bit system.
My System SpecsSystem Spec
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 SSD - Fix Misalignment




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