Question about SanDisk 2GB Cruzer Micro SDCZ62048A10 Hard Drive

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Cannot read data from the drive - SanDisk 2GB Cruzer Micro SDCZ62048A10 Hard Drive

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This problem will occur due to some virus, this can be fixed by servicing the pen drive in SANDISK service.

Posted on Jul 09, 2010

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Posted on Jan 02, 2017

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Mq01abd100 driver

Are you able to see any partitions on the drive with a partition utility? I recommend using a custom recovery image with GNU Partition Editor and see if you can read the drive contents. If that is a bit more than you want to attempt try a recovery tool such as Portable Data Recovery ( to see if you can read the drive contents at all. If you can, BACK UP as much data as you can to another drive!

If you are still unable to read any of the drive contents, there are other recovery options but they cost exponentially higher. If it's critically valuable data then you could spend over $1k to have someone perform drive forensics to recover the data. For example, if the controller or motor inside the drive is bad (assuming it is not an SSD or USB thumb drive) then a skilled person could get a same-model drive and transplant the controller and/or motor from the working drive and rebuild something that can read your data long enough to recover it to a non-faulty drive. It is labor intensive, requires special tools and training, and therefore the most expensive option -- and for your sake I hope it is not necessary but it is the worst-case scenario.

Dec 09, 2015 | Toshiba Computers & Internet

1 Answer

IBM ThinkPad T20 0175 : Bad CRC1, stop POST task


Cyclic Redundancy Check

When you write a block of data to the disk-drive, a 'CRC' value is calculated, based on the data, and both the 'data' and the 'CRC' are written to the disk-drive. When you ask to read that 'data', both the 'data' and the 'CRC' are read. The 'CRC' is recalculated, based on the data actually read. The "new" CRC is checked against the "old" CRC. If there is a mismatch, you have a 'CRC check' event, implying that the data you wrote could *NOT* be accurately retrieved.

So, it's probable that your disk-drive is "dying" -- it cannot accurately store your data. Replace it.

Feb 17, 2011 | IBM ThinkPad T20 2647 Notebook

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I'm trying to move an mp3 file from the desktop to my flash disk but a pop-up window always appears saying "cyclic redundancy check". what shall i do?

Everytime that you write a block of data to your 'C:' drive, a CRC ("Cyclic Redundancy Check") value is calculated, based on the data, and it is written onto the disk, right after the data.

When you ask to read that data, the CRC also is read from the disk.
A new CRC is calculated from the data that was read.

If the "new" CRC is "checked" against the "old" CRC.
If the two values do not match, then the disk-drive either did not correctly write the data,
or it did not correctly read the data.

So, that part of the disk-drive occupied by your MP3 file is "bad".
It might be a sign that the ENTIRE disk-drive is soon to completely FAIL.

> what shall I do?

Backup all your files to an external storage device, while you still can access your files.

Nov 13, 2010 | Computers & Internet

1 Answer

My harddisk isnt opening and is asking me to" format the disk before use".when i cancel it says"G:is not accessible.Data error(cylic redundancy check) kindly help me retrieve my

When you try to write a block of data onto the disk-drive, a CRC (Cyclic Redundancy Check) value is calculated, based on the values of the bits of the data. Then, both your data and the CRC are written to the disk-drive. When you read that block of data, the CRC is also read from the disk, and the CRC is recalculated, based on the data that was read from the disk.

If the "new" CRC does not match the "old" CRC, then your block of data has been corrupted,
i.e,. the disk-drive is malfunctioning.

for a professional "data recovery" service -- they will try to repair your disk-drive,
just long-enough to retrieve and copy all your files to a new disk-drive.

Nov 10, 2010 | Transcend StoreJet 2.5 (TS120GSJ25T) 120...

1 Answer

Something happen and now my laptop will not play my dvds, it saids can not read dvd

are these original dvd?

are the data or video?

does it read cd?

if reads none may be dead drivers or dead drive

if reads data or cd & not video check app

if reads cd & not data or video check corrupt drivers

scan for virus

check system drivers - may be corrupt

check application configuration drive default setting if you have >1 dv drive, may have changed it

Oct 23, 2010 | Lenovo ThinkPad T61 Notebook

1 Answer

E: drive, cd rom drive will read a cd with data, but not a new cd

CD Driver or CD Writer encounter such problems are a normal reading in data. Sometimes it does or not. To identify the real situation on your CD/CDWriter drive is very difficult to you.
Here is the answer to your problem.
# You use your CD/CDwriter drive for how many long years and now got a problem.
# The speedometer of your CD/CDWriter (lens eye) can no longer read any available CD or have data's also or even BLANK DISC.
# Use any CD CLEANER to clean up your CD/CDWriter Drive to remove the dust inside.

Good luck!

Aug 07, 2009 | E-Machines emachines (emachinees) CD-ROM...

1 Answer

I can read data cd but cannot read data dvd

Are you sure that the drive you are trying to read the DVD with, is actually a DVD drive and not a CD drive? Check on the front of the drive draw, it should say DVD on it. If not you will need to purchase a DVD drive to read DVD's. Nik.

Jun 30, 2009 | Computers & Internet

1 Answer

Seagate 300GB USB 2.0, read write error

Hook it to another computer do see if the drive is the issue.

Oct 04, 2008 | Seagate 300GB USB 2.0/FireWire Hard Drive...

1 Answer

Does not read

This depends on how much the data means to you and what the problem is with the drive. With the external hard drives it could be a problem with the board inside that converts the signal which could be fixed by removing the drive from the case and connecting the drive either directly to an IDE connection inside another computer or by connecting it using a different drive carrier. If the drive works but the data is not there any more you would need to get some data recovery software that will read the drive and re build the data. There are some really good data recovery software packages that are free for personal use. If the drive does not work at all the only real option that I can give you is to bring it to a place that does professional data recovery where they may be able to get the data without charging much money but more than likely if it comes to that point you should probably be expecting costs in the thousands of dollars.

Nov 12, 2007 | Iomega (33600) 160 GB USB 2.0 Hard Drive

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