[jaws-uk] Re: computers running slowly
- From: "Tiddy Ogg" <oggy@xxxxxxxxxxxxxx>
- To: <jaws-uk@xxxxxxxxxxxxx>
- Date: Thu, 16 Oct 2008 17:15:32 +0100
John, full marks for your analogy, but, even if hardware failure is
unlikely, shuffling all that data around can cause corruption, so I'd
suggest that daily defrags are excessive, especially if you don't keep
making big changes/deletions to your software.
If you notice a performance downgrade, then fair enough.
-----Original Message-----
From: jaws-uk-bounce@xxxxxxxxxxxxx [mailto:jaws-uk-bounce@xxxxxxxxxxxxx]
On Behalf Of john coley
Sent: 16 October 2008 17:05
To: jaws-uk@xxxxxxxxxxxxx
Subject: [jaws-uk] Re: computers running slowly
Hi Dorothy, I think the best way I could explain a defrag is this.
Imagine a
large group of children getting onto a bus. If the bus is empty they can
all
sit together and where the teacher tells them. If though the bus is
crowded
the group is split up and can't go where the teacher wants them, and
when
it's time for them to get off the teacher has to spend time looking for
them.
Windows knows where it wants files to be on the disk, and has indexes
of
their positions and their details, so it can find them when they're
needed.
If a file's fragmented into little pieces it takes windows time to find
all
the bits, and sometimes one of the bits gets lost, or windows can't find
it
in time, and then you get an error.
A disk failure's a rotten experience. I've had a couple in my time,
but I
don't think for a minute that defrag could have been to blame at all for
it.
A disk is hardware, and windows is software. Windows errors could cause
a
software failure, but not a hardware failure.
I've had a situation where a virus destroys a disk, but I've only
known it
once, and it may have just been coincidence that the disk failed at the
same
time, but it was certainly a nasty experience.
I would hope that it hasn't totally put you off defragging. Without it
your computer's going to be in a total mess in no time.
John.
----- Original Message -----
From: "Dorothy Ingram-Gorban" <dorothy.ingram-gorban@xxxxxxxxx>
To: <jaws-uk@xxxxxxxxxxxxx>
Sent: Thursday, October 16, 2008 3:32 PM
Subject: [jaws-uk] Re: computers running slowly
>
>
> John I read with interest and hope andrew will read this 2 years ago
on
> my
> Desktop Viglen Geni I did my first Defrag ever and with great care.
The
> following day I had a HD failure, now andrew suspected the 2 may be
> connected and tried to explain about Indexes whirling around fast and
> suppose I may have stopped a few seconds too early I do not think I
did
> but
> I did have the Hd failure it and its repercussions,which were due to
> Engineers making mistakes that are too awful to explain meant I
ddeveloped
> a
> Phobia about ever doing a Defrag. Ps I hope andrew doesnot read this
but
> this year I plucked up courage to do them again with very great
caution
> leaving on for hours to be sure. So perhaps John you can explain about
> these
> things called Indexes whirling around the Pc so the rest can better
> understand there risks Thanks Dorothy
> ----- Original Message -----
> From: "john coley" <johncoley@xxxxxxxxxxxxxxxx>
> To: <jaws-uk@xxxxxxxxxxxxx>
> Sent: Thursday, October 16, 2008 12:44 PM
> Subject: [jaws-uk] computers running slowly
>
>
> Hi everybody, another couple of tips that will help your computer to
keep
> running as it should.
> Firstly don't let cookies build up. If left to bild up they will have
an
> effect on your computer's performance. Some of them can also be
harmful.
> Secondly do a defrag once a day. The less fragmented you let windows
get
> the better. It's an obvious thing, but it's amazing how many times
I've
> heard of people never defragmenting and wondering why they have
errors,
> and
> why their computer runs increasingly slower.
> Lastly for now SFC. If you get error messages it's a good idea to run
> SFC,
> just in case system files have been altered badly or corrupted.
> To do this, put your windows cd in the drive. Shut down the welcome
> screen
> when it appears. Go to start and then run, and type:
> sfc /scannow
> You'll hear the cd power up. Windows will scan all its system files
and
> replace where necessary. Jaws still works during it, so don't be
worried
> about lack of speech feedback.
> John.
>
>
>
>
>
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> 20:02
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