You can view the DFL case studies and FAQs here so that you can understand how to use the DFL data recovery tools better

How To Select Data Recovery Tools Wisely For Data Recovery Success

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There’re many data recovery tools in the market today including different priced and functioned data recovery software and hardware. However, We must disappoint you to say most of the tools are not actually working or meeting users’ needs.

Almost each country has engineers who are able to create data recovery software and therefore most data recovery kits users find are data recovery software utilities. As for data recovery hardware or data recovery hardware and software complex tools, few companies of few countries are able to manufacture them and support them due to the high cost of hardware design, hardware moduling,embedding codes,codes encryption,software integration, software testing, hardware firmware design, interface design
and coding, etc.

Data Recovery Hardware Or Software and Hardware Complex Tools Have A Higher Level Of Solutions To Damaged Hard Drives, Flash Drives, SSDs, etc. and therefore, if users are planning to start a data recovery business, start one in-house data recovery sector or improve their data recovery capabilities, users must select data recovery hardware or software and hardware complex tools. Read more

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How To Repair Damaged Photos And Recover Lost Data-SD Card Recovery

The data recovery engineer got one SD card and according to the owner of SD card, the photos in the card are the wanted data and very important to the client. When the photos were clicked to open, they didn’t open; all photos had the same problem without response when trying to opening them.

The very first thing to do was to image the SD card to keep the original data status and this was also to respect the client and his data. All operations need to be careful and smart.

Next the engineer checked the DRB, FAT table and FDT but they’re all in good status and therefore, needed to diagnose further. Read more

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USB Hard Drive Data Recovery Case Study-WD5000BMVV-11GNWS

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To readers:
This data recovery method and steps are offered uniquely by Dolphin Data Lab, it’s not allowed to post it anywhere else without our permission.

We are using the following case study to explain the methods in details.

HDD ID: WD5000BMVV-11GNWS Capacity: 500GB
PCB number: 20607-701675-004
USB2.0 design

When the hdd was received from client, the engineer connected the hdd to the pc and check if it spun up normally, to find out if it clicked. The diagnosis proved it working fine. Read more

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2.5”Laptop Undetected HDD ROM Damage Fixed By DFL-WDII HDD Repair Tool

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Undetected hdds can be caused by many reasons such as ROM damage, SA module damage,  incompatible SA and ROM, head damage, etc. This case study is to teach the ROM and SA must match by having the same microcode.

Download PDF of this case study here

The hdd was undetected due to ROM damage and let’s now analyze and follow some steps to fix it.

The first thing we could think was to backup the firmware modules when it’s possible, because whether it’s hdd repair or data recovery, we may use the modules in the operations later. Read more

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Repair Dead WD HDD And Modify MrJog Parameters For Data Recovery Purpose

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This HDD ID:

Model: WDC WD1600BB-55RDA0    Family: Starling MicroCode: 20AB
This hdd was received as one dead hdd without any response when the user tried to powered on the hdd.

After initial diagnosis to the hdd, it was due to the burnt PCB causing the death. The user found one compatible PCB of the same PCB number and swaped the PCB.

After swapping the PCB, powered on the HDD, the hdd reached readiness but not detected. Read more

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Samsung PCB Swap To Restore Un-detected Samsung HDDs

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PCB damage of Samsung is one of the common failures we meet often, sometimes it doesn’t take a lot of time to find out the problem and restore the damaged hdd quickly if you can find out the failure cause quickly.

Today one client brought to us with one Samsung IDE HDD, when the HDD was powered on, it didn’t spin up and no response at all.

For such kind of problem, the first possible failure we can think of is on its PCB.

There’re usually two types Samsung PCB we meet often like below:

Type 1: Clamp PCB Read more

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Repair WD10EARS-HDD With Many Bad Sectors Of Green & Red Blocks by DFL-WDII HD Repair Tool

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This is another hdd repair bad sector repair case study, it’s one WD10EARS 1TB hdd. We wrote this case study not showing how powerful our tool is, but the most important is to demo how to diagnose one hdd in different methods and how to find out the solutions. A right way of thinking makes you more successful.

The user tried to use format with P-list to remove the bad sectors but after the format and scanned the hdd, there’re still a lot of bad sectors, full of green and read blocks. Read more

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Repair WD10EVDS-Dragafly2 HDD Being Very Slow With Many Regular Bad Sectors

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This data recovery technical document is one case study introducing how DFL-WDII hdd repair tool is used to repair damaged WD hdds which are working very slow with many regular bad sectors without clicking noises.

For this kind of problem, we usually consider it’s caused by the ID module or translator problem.

The hdd is one WD SATA 1TB hdd whose model is WD10EVDS-63U880. Luckily the hdd can reach readiness status.

The response was very slow and the hdd was detected after some time.

The user went to scan the HDD and found a lot of regular and typical bad sectors. Read more

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Adding Defects By LBA Range Is Very Useful For Repairing Some Scratched HDD

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It’s sometimes very useful to fix clicking hard drives with a small scratched area by using one of the new features of in DFL-WDII hdd repair tool version 2.4-adding defects by LBA range.

For some clicking hard drives with a small scratched area, they are still detected and the hdd can become ready in DFL-WDII.

When users scan these patient hard drives, users can find red squares which are read-failed sectors within the scratched area and send loud clicking noises. Read more

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How To Fix WD PCB1698 HDDs For Data Recovery Purpose With DFL-WD II HDD Repair Tool

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For WD PCB1698 series, it’s one difficult data recovery job if the hard drive is not detected or keeps busy. So far it’s almost not possible for any other firmware repair tools to repair this kind of drive and get lost data back.

Situation becomes worse if these kind of PCB1698 hard drives don’t have the cache loader-module 13 and if the module dir is missing or damaged without backup, no other tools except DFL-WDII can repair such kind of hdd failure and recover the data.

Here in this article let’s discuss how to repair undetected or un-ready WD PCB1698 hard drives with DFL-WD II hdd repair tool.

Option 1: Users can use the universal loader-module 11 and ROM offered by Dolphin Data Lab deal with the patient hard drives.

With the offered loader and ROM: If the hdd can reach readiness, users can access the hdd, load the module 11 and then the program will automatically detect the dir module and give users to import one dir module or the DFL program will search it from the tracks users assign. Read more

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