I opened my Laptop hard disk Western Digital 120gig
6 screws are unmounted, I just look the parts inside , then I closed it again.
When I start my Laptop(screws mounted back), I found out that it's less speeder than before I opened it .

So, I format it using HDD low level, and I noticed that the formatting is very slow, it starts from 29.9 mb/s at least 1% to 15percent,
BUT the mb/s is going down, at 75% formatting, the mb/s is 5.8mb/s.

Before this happens, I remember before when formatting(when was not opened), the average speed is 34mb/s, NOW it's 5.8mb/s

Is it because of the screws wrongly mounted? I doubt it was.
So, How many turns should I?
thanks

Why did you open it? Did you think something was wrong with it?

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Hard Disk Drive, SSD, USB Drive and RAID Data Recovery Specialist in Massachusetts

Nothings wrong with it before, I'm just curious on that time.

Dust entered when you opened it and is now slowly killing the drive.

Dobre

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Murphy was an optimist

Datarecovery in Belgium, Holland, France and Germany
Datarecoverytools http://www.drtools.eu

This guy is incredible...so many topics of madness

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Rescue IT Datarecovery service Sweden
Rescue IT Dataräddning Göteborg AB
http://www.rescue-it.se

First of all there's no dust, dust can be blown away to the wind.

Yes, it's incredible, experience and practice makes it perfect.

Now, I've repaired more than one.
Laptop Hardisk Western Digital 120gig is fully functional.

thanks for the comment guys, it's not a joke.

I wouldnt trust any of my data on it...