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Question by Ahmad: Partitions are deleted?
I have a Lenovo Y570. The H.D.D is WD .
After I connected to a trusted hotspot suddenly my laptop restarted ( Windows 8.1). A percentage completed and when I opened my computer , I saw only one of my 6 drives exists !
I recovered my files and created the partitions but 2 days later I saw my partitions are were deleted again !!!
I changed the Windows (Windows 7) but the same story !!!!
What’s the problem?
Why drive “C” isn’t being deleted ?What’s the difference ?
Here’s the a screenshot of my disk managemanet
and I used HD tune , and it showed that there isn’t any warning .
Answer by tumbleweed_biff
You have one or more viruses, maybe a root-kit. Malwarebytes makes a very good root kit finder to go with the rest of this post:
My guide to removing viruses:
Top 3 free AV products
My recent survey of several independent testing labs shows Kaspersky and BitDefender as the top 2 paid AV products.
How to remove a virus –
I) The best solution is to back up your data and perform a factory restore. Install a reputable AV program after the restore and download the latest updates before restoring your data.
II) That not being practical for many, try either of the next two methods:
(Please note that it is important to use one of these two methods as you need to boot and scan knowing that no viruses are already in memory. If you try and install an AV product on a machine already infected then there is a decent chance that the virus will be able to hide/relocate from the scanner.)
1) On a clean computer, download 1 or more free bootable AV products. Five I know of are Avira, AVG, Avast, Kaspersky, and G Data. Often referred to as a Rescue Disc.
(There is a handy product called sardu (sarducd.it) which will create a flash drive/Cd capable of having multiple AV products built into it. It isn’t perfect yet, but it does do the job pretty well. I keep a copy on a flash drive for whenever I go to someone’s house to help with computer problems and I have a number of other diagnostic tools included as well.)
2) Create the bootable media and include the latest virus definitions
3) Boot the infected/suspect computer by using the bootable media and run a full/complete/deep scan of the computer using preferably at least two different ones. No AV product gets them all, but 2 different products should find and remove just about anything.
B) Alternative method:
1) remove the hard drive from the infected computer
2) slave the drive to a clean computer which already has at least one AV product already installed with the most current definitions. You can do this by installing it into the case (for a desktop) or by putting the drive in an external drive case which you can get for the low teens $ . These can be USB (get at least USB 2.0) or eSata – if the 2nd computer has an eSata connection.
3) From the clean machine, run a full/complete scan of the slaved hdd. The computer should already be booted when you connect the external drive, with the AV product already in residential memory (it will have an icon down next to the clock). Then open the AV and run it on the drive. In an ideal world, you should really use two different AV products.
III) If you are unable to do the above, then download and install an AV product and then run it at its deepest level scan. This is not the ideal method as many viruses can hide from AV products if they are already in memory and running before the AV software is executed. There are numerous free ones. I strongly recommend two different AV products and one Adware/Spyware product. For free AV, I would typically recommend Avira, AVG, or Avast as the installed resident (always running) AV solution and Malwarebytes as a secondary, on demand AV product which I run on a weekly basis. For Spyware and Adware, the two top performers there are AdAware (Lavasoft.com) and Spybot Search and Destroy (safer-networking.org) Both offer a free and paid version. The free version is good, the paid version offers more bells and whistles, just like with the AV products.
Once the virus(es) is/are removed, change any and all passwords having to do with anything important like e-mail, financial-banking logins, etc. as those have probably been captured and sent to the author of the virus.
What do you think? Answer below!