Windows kept warning me to back up my data regularly, but I ignored it because my SSD seemed perfectly fine—it had 66% health, as far as I knew. On October 30, 2024, I put my SSD into hibernation, and when I woke it up on the afternoon of October 31, my PC took a long time to boot and then failed, saying "No bootable device"
I checked the BIOS, and my Samsung 860 Evo was still recognized, but I couldn't do anything with it. I tried using a SATA-to-USB adapter to connect it to another Windows system for diagnosis, but it took 10–20 minutes just to be detected. In Disk Management, the SSD showed up as "Not Initialized."
Victoria and HDD Sentinel could detect the drive's name and basic details, but nothing more, SMART is failed. I searched online and found a power cycle method, but it didn’t help. So, I decided to try baking the SSD—I heated it to 200°C for 5 minutes (twice), but on the second attempt, the NAND chip got misaligned (screenshot:
https://i.imgur.com/mkwe1df.png).
I then attempted to reball the NAND chip. This time, I had to manually short two points (screenshot
https://i.imgur.com/edqsHdU.png ) to make the SATA-to-USB 3.0 adapter detect the drive in Windows. After 10–20 minutes, it showed up as a Samsung 860 Evo, but still remained "Not Initialized."
I even tried repairing traces and soldering components back onto the board (screenshot
https://i.imgur.com/2LEQKz3.png). I attempted to solder a tiny capacitor
https://i.imgur.com/0X4kyOK.png back in place, but my needle tweezers caused it to disappear—I couldn’t find it anymore. So, I just bridged the connection without the capacitor (I don't know if this is the reason I need to manually short it for Windows to detect the drive.)
Now, my plan is to find another Samsung 860 Evo 500GB and try swapping my NAND onto it, but I’m not sure if it will work or not.
Hard Disk Summary
Quote:
Hard Disk Number,8
Interface,SAT Standard USB/ATA
Hard Disk Model ID,Samsung SSD 860 EVO 500GB
Firmware Revision,RVT04B6Q
Hard Disk Serial Number,S3Z4NB0M601688A
SSD Controller,Samsung
Total Size,476937 MB
Power State,Active
ATA Information
Hard Disk Cylinders,969021
Hard Disk Heads,16
Hard Disk Sectors,63
ATA Revision,ACS-4 Revision 5
Transport Version,SATA Rev 3.2
Total Sectors,976773168
Bytes Per Sector,512
Multiple Sectors,1
Error Correction Bytes,0
Unformatted Capacity,476940 MB
Maximum PIO Mode,4
Maximum Multiword DMA Mode,2
Highest Possible Transfer Rate,S-ATA Gen3 Signaling Speed (6 Gps)
Negotiated Transfer Rate,S-ATA II Signaling Speed (3 Gps)
Minimum multiword DMA Transfer Time,120 ns
Recommended Multiword DMA Transfer Time,120 ns
Minimum PIO Transfer Time Without IORDY,120 ns
Minimum PIO Transfer Time With IORDY,120 ns
ATA Control Byte,Valid
ATA Checksum Value,Valid
Acoustic Management Configuration
Acoustic Management,Not supported
Acoustic Management,Disabled
Current Acoustic Level,Default (00h)
Recommended Acoustic Level,Default (00h)
ATA Features
Read Ahead Buffer,"Supported, Enabled"
DMA,Supported
Ultra DMA,Supported
S.M.A.R.T.,Supported
Power Management,Supported
Write Cache,Supported
Host Protected Area,Supported
HPA Security Extensions,Supported
Advanced Power Management,Not supported
Extended Power Management,Not supported
Power Up In Standby,Not supported
48-bit LBA Addressing,Supported
Device Configuration Overlay,Supported
IORDY Support,Supported
Read/Write DMA Queue,Not supported
NOP Command,Supported
Trusted Computing,Supported
64-bit World Wide ID,5002538E4963F38C
Streaming,Not supported
Media Card Pass Through,Not supported
General Purpose Logging,Supported
Error Logging,Supported
CFA Feature Set,Not supported
CFast Device,Not supported
Long Physical Sectors (1),Not supported
Long Logical Sectors,Not supported
Write-Read-Verify,"Supported, Disabled"
NV Cache Feature,Not supported
NV Cache Power Mode,Not supported
NV Cache Size,Not supported
Free-fall Control,Not supported
Free-fall Control Sensitivity,Not supported
Service Interrupt,Not supported
IDLE IMMEDIATE command with UNLOAD feature,Not supported
Zoned Capabilities,Not supported
SCT Command Transport,Supported
SCT Error Recovery Control,Supported
Nominal Media Rotation Rate,Non-rotating Media (SSD)
Nominal Form Factor,2.5 inch
SSD Features
Data Set Management,Supported
TRIM Command,Supported
Deterministic Read After TRIM,Supported
Read Zeroes After TRIM,Supported
Operating System TRIM Function,"Supported, Disabled"
Off-line Data Collection Status,Never Started
Self Test Execution Status,Successfully Completed
Total Time To Complete Off-line Data Collection,0 seconds
Execute Off-line Immediate,Not supported
Abort/restart Off-line By Host,Not supported
Off-line Read Scanning,Not supported
Short Self-test,Not supported
Extended Self-test,Not supported
Conveyance Self-test,Not supported
Selective Self-Test,Not supported
Save Data Before/After Power Saving Mode,Not supported
Enable/Disable Attribute Autosave,Not supported
Error Logging Capability,Not supported
Security Mode
Security Mode,Supported
Security Erase,Supported
Security Erase Time,4 minutes
Security Enhanced Erase Feature,Supported
Security Enhanced Erase Time,8 minutes
Security Enabled,No
Security Locked,No
Security Frozen,No
Security Counter Expired,No
Security Level,High
Device Encrypts All User Data,Yes
Sanitize,Not supported
Overwrite,Not supported
Crypto Scramble,Not supported
Block Erase,Not supported
Sanitize Antifreeze Lock,Not supported
ACS-3 Commands Allowed By Sanitize,No
Serial ATA Features
S-ATA Compliance,Yes
S-ATA I Signaling Speed (1.5 Gps),Supported
S-ATA II Signaling Speed (3 Gps),Supported
S-ATA Gen3 Signaling Speed (6 Gps),Supported
Receipt Of Power Management Requests From Host,Not supported
PHY Event Counters,Supported
Non-Zero Buffer Offsets In DMA Setup FIS,Not supported
DMA Setup Auto-Activate Optimization,"Supported, Disabled"
Device Initiating Interface Power Management,"Supported, Disabled"
In-Order Data Delivery,Not supported
Asynchronous Notification,"Supported, Enabled"
Software Settings Preservation,"Supported, Enabled"
Native Command Queuing (NCQ),Supported
Queue Length,32
NCQ Streaming,Not supported
NCQ Autosense,Not supported
Automatic Partial to Slumber Translations,Not supported
Rebuild Assist,Not supported
Hybrid Information,Not supported
Device Sleep (DevSleep),"Supported, Disabled"
DevSleep to ReducedPwrState,Supported
Disk Information
Form Factor,"2.5"""
Capacity,"500 GB (500 x 1,000,000,000 bytes)"
Disk Interface,Serial-ATA/600
Device Type,Samsung 64-layer TLC V-NAND
Width,69.8 mm (2.7 inch)
Depth,100.0 mm (3.9 inch)
Height,9.5 mm (0.4 inch)
After nand reball
https://i.imgur.com/7sqfxWG.png
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