Hard Drive Not Spinning?
Your Data May Still Be Recoverable.
When you connect your hard drive and hear nothing, or just a faint click before silence, it means the platters are not spinning. This could be a seized motor, PCB failure, or stuck heads. Each has a different solution, and your data is often recoverable.
Why Is My Hard Drive Not Spinning?
A hard drive that won't spin up typically has one of these four issues:
- 1Seized Motor Bearings: The spindle motor is physically stuck. You may hear a faint hum or nothing at all.
- 2PCB Failure: The motor driver chip, TVS diode, or other electronics are damaged. Often from power surges.
- 3Stuck Heads (Stiction): The read/write heads are stuck to the platters, preventing rotation. Common in 2.5" drives.
- 4Firmware Corruption: The drive's internal software prevents spin-up as a protective measure.
Data Recovery Standards & Verification
Our Austin lab operates on a transparency-first model. We use industry-standard recovery tools, including PC-3000 and DeepSpar, combined with strict environmental controls to make sure your hard drive is handled safely and properly. This approach allows us to serve clients nationwide with consistent technical standards.
Open-drive work is performed in a ULPA-filtered laminar-flow bench, validated to 0.02 µm particle count, verified using TSI P-Trak instrumentation.
Transparent History
Serving clients nationwide via mail-in service since 2008. Our lead engineer holds PC-3000 and HEX Akademia certifications for hard drive firmware repair and mechanical recovery.
Media Coverage
Our repair work has been covered by The Wall Street Journal and Business Insider, with CBC News reporting on our pricing transparency. Louis Rossmann has testified in Right to Repair hearings in multiple states and founded the Repair Preservation Group.
Aligned Incentives
Our "No Data, No Charge" policy means we assume the risk of the recovery attempt, not the client.
Technical Oversight
Louis Rossmann
Louis Rossmann's well trained staff review our lab protocols to ensure technical accuracy and honest service. Since 2008, his focus has been on clear technical communication and accurate diagnostics rather than sales-driven explanations.
We believe in proving standards rather than just stating them. We use TSI P-Trak instrumentation to verify that clean-air benchmarks are met before any drive is opened.
See our clean bench validation data and particle test videoHow to Tell What's Wrong
Complete Silence
You connect the drive and hear nothing. No vibration, no hum, no clicks.
Likely cause: PCB failure (blown TVS diode, failed motor driver) or severe motor seizure. The electronics are not even attempting to spin the motor.
Recovery approach: PCB diagnosis, component-level repair or transplant with ROM/adaptive transfer.
Faint Hum Then Nothing
You hear a brief electrical hum or feel slight vibration, then the drive goes quiet.
Likely cause: Motor trying to spin but something is blocking it. Usually stuck heads (stiction) or partially seized bearings.
Recovery approach: Clean bench head unstick procedure, possible head swap if damaged during stiction.
Single Click Then Spin-Down
The platters spin up briefly, you hear one click, then everything stops and powers down.
Likely cause: Heads attempted to load but failed. The drive entered protective shutdown. Could be weak heads, firmware issue, or degrading motor.
Recovery approach: PC-3000 firmware manipulation to bypass safety checks, selective head imaging, or head swap.
Beeping Sound
The drive makes a rhythmic beeping or buzzing sound when connected.
Likely cause: Motor is trying to spin but heads are firmly stuck to platters (stiction). The motor pulses repeatedly trying to break free.
Recovery approach: See our beeping hard drive recovery page for details.
What NOT to Do With a Non-Spinning Drive
Do NOT Do These Things
- ✕Tap, shake, or hit the drive - This can dislodge heads or scratch platters
- ✕Put it in the freezer - Condensation causes corrosion and further damage. The freezer trick is a myth
- ✕Open the drive yourself - Dust contamination destroys data in minutes
- ✕Swap the PCB from another drive - Modern drives store unique calibration data (ROM chip + adaptive parameters) on each PCB. A straight swap will fail
- ✕Keep trying to power it on - Each attempt can worsen mechanical damage
Do These Instead
- ✓Stop using it immediately - Preserve the current state
- ✓Note the exact symptoms - What sounds does it make? When did it stop working?
- ✓Try a different power source - Use a powered USB hub or different SATA power cable
- ✓Keep it at room temperature - Avoid extreme heat or cold
- ✓Contact a professional lab - Our evaluation is free with no obligation
Non-Spinning Drive Recovery Pricing
Cost depends on what's preventing spin-up. Most non-spinning drives fall into the firmware ($600-$900), head swap ($1,200-$1,500), or surface damage ($2,000) tiers. We provide a firm quote after free evaluation.
| Service Tier | Price | Description |
|---|---|---|
| Simple CopyLow complexity | $100 | Your drive works, you just need the data moved off it Functional drive; data transfer to new media Rush available: +$100 |
| File System RecoveryLow complexity | From $250 | Your drive isn't recognized by your computer, but it's not making unusual sounds File system corruption. Accessible with professional recovery software but not by the OS Starting price; final depends on complexity |
| Firmware RepairMedium complexity – PC-3000 required | $600–$900 | Your drive is completely inaccessible. It may be detected but shows the wrong size or won't respond Firmware corruption: ROM, modules, or translator tables corrupted; requires PC-3000 terminal access Standard drives at lower end; high-density drives at higher end |
| Head SwapHigh complexity – clean bench surgery50% deposit | $1,200–$1,500 | Your drive is clicking, beeping, or won't spin. The internal read/write heads have failed Head stack assembly failure. Transplanting heads from a matching donor drive on a clean bench 50% deposit required. Donor parts are consumed in the repair |
| Surface / Platter DamageHigh complexity – clean bench surgery50% deposit | $2,000 | Your drive was dropped, has visible damage, or a head crash scraped the platters Platter scoring or contamination. Requires platter cleaning and head swap 50% deposit required. Donor parts are consumed in the repair. Most difficult recovery type. |
Hardware Repair vs. Software Locks
Our "no data, no fee" policy applies to hardware recovery. We do not bill for unsuccessful physical repairs. If we replace a hard drive read/write head assembly or repair a liquid-damaged logic board to a bootable state, the hardware repair is complete and standard rates apply. If data remains inaccessible due to user-configured software locks, a forgotten passcode, or a remote wipe command, the physical repair is still billable. We cannot bypass user encryption or activation locks.
All tiers: Free evaluation and firm quote before any paid work. No data, no fee on simple copy, file system, and firmware tiers. Head swap and surface damage require a 50% deposit because donor parts are consumed in the attempt.
Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost. For ultra-high-capacity drives (20TB and above), the target drive costs approximately $400+ due to the large media required. All prices are plus applicable tax.
Watch: Diagnosing a Non-Spinning WD Drive
This Western Digital drive came in completely dead after a wrong power supply was used. The 12V TVS diode shorted, preventing the motor from receiving power. We walk through the PCB diagnosis and repair on camera.
PCB Diagnostics: Why the Motor Gets No Power
When a drive is completely silent, the problem is usually on the PCB. We start with a visual inspection under magnification, checking for burnt components, bulged capacitors, or cracked solder joints. Then we move to electrical testing.
TVS Diode Testing
TVS (Transient Voltage Suppressor) diodes protect the drive from overvoltage. When a power surge hits, the TVS diode shorts to ground, cutting power to the entire board. This is by design: the diode sacrifices itself to save the platters. We test for a short across the 12V and 5V TVS diodes using a multimeter in diode mode. A reading near zero ohms confirms a shorted diode. In many cases, removing the shorted TVS diode restores motor power, though the drive then runs without surge protection.
Motor Driver IC
The motor driver IC (also called the spindle motor controller or smooth chip) converts DC power into the three-phase AC signal that spins the platters. Common motor driver ICs include the SMOOTH L7251 on Western Digital boards and various proprietary motor controllers on Seagate PCBs. If this chip fails, the motor receives no phase signal and the platters do not move. We test output pins with an oscilloscope to confirm no phase output, then determine whether the chip itself is dead or whether an upstream power rail is missing.
Capacitor and Voltage Rail Analysis
Hard drive PCBs operate on multiple voltage rails: 12V powers the spindle motor, 5V powers the preamp and heads, and 3.3V powers the controller MCU and firmware ROM. A failed capacitor or voltage regulator on any rail can prevent spin-up. We measure each rail at the connector and at key test points on the board. Tantalum capacitors are a common failure point; they can short internally, pulling an entire rail to ground.
ROM Transplant and Adaptive Parameter Migration
Every modern hard drive PCB has a serial flash ROM chip (typically an 8-pin SOP8 package) that stores calibration data unique to that specific drive. This data includes head-specific adaptive parameters, servo calibration tables, and defect lists (P-list and G-list). Two drives of the same model and firmware revision will still have different ROM contents because the adaptive parameters are tuned to the individual heads and platters during factory calibration.
When a PCB fails and a donor board is needed, we desolder the ROM chip from the dead PCB using a hot air rework station at 280-320 degrees C and transplant it onto the donor board. If the ROM chip itself is damaged, we can read adaptive parameters from the drive's System Area (service tracks on the platters) using PC-3000 terminal access and write them to a blank ROM on the donor board. This is not a simple PCB swap; it requires reading and matching the unique calibration data to the physical drive.
Spindle Motor Seizure: Platter Transplant Procedure
When fluid dynamic bearings (FDB) in the spindle motor seize, the platters cannot rotate at all. FDB motors use a thin layer of oil between the shaft and sleeve to reduce friction. Over time, the oil can degrade or leak out, causing metal-on-metal contact and eventual seizure. Temperature extremes accelerate this process.
Repairing a seized motor requires a platter transplant: removing the platters from the patient drive and installing them into a compatible donor chassis with a working motor. This is done under 0.02 micrometer ULPA-filtered laminar flow to prevent particle contamination. The critical step is maintaining platter alignment. Each platter must be installed in the same angular position and same stack order as the original, because the servo tracks written during factory calibration are specific to that physical arrangement. Misalignment by even a fraction of a degree prevents the heads from tracking servo data.
After transplant, we image the drive using PC-3000 or DeepSpar Disk Imager with selective head reads to work around any zones where the heads struggle to track on the new motor. This tier costs $1,500-$2,000 because of the donor parts consumed and the precision required.
Drive Models Prone to Non-Spinning Failures
Seagate Rosewood (ST1000LM035, ST2000LM007)
The Rosewood platform uses a lightweight 90g chassis with less motor torque than older designs. These drives are prone to stiction because the reduced motor power cannot overcome even minor head-platter adhesion. The thin 7mm form factor also makes the heads more susceptible to sticking after a period of inactivity. We see these drives regularly with beeping symptoms that indicate stiction.
Western Digital Spyglass/Palmer (USB-integrated)
WD Spyglass and Palmer drives integrate the USB controller directly onto the HDA PCB, eliminating the separate SATA interface. When these drives fail to spin up, diagnosis requires bypassing the USB controller entirely. We solder data lines to test points E71, E72, E73, and E75 to convert the board to a SATA interface for PC-3000 access. Without this solder bypass, the drive cannot be accessed for firmware diagnostics.
Toshiba MQ01 and MQ04 (2.5" Laptop)
Toshiba's MQ01ABDxxx and MQ04ABFxxx families use fluid dynamic bearings that are prone to seizure after extended periods powered off, especially in humid environments. When the FDB oil degrades, the motor locks up silently. These drives also suffer from G-list overflow issues where the firmware runs out of spare sectors. In G-list overflow cases, the drive typically spins up but hangs in a Busy (BSY) state, failing to identify to the host. PC-3000 terminal access can clear the corrupted G-list modules and restore normal identification.
BIOS Recognition vs. Spin-Up Failure
A common misdiagnosis is confusing a drive that does not spin with a drive that spins but is not detected. These are different problems. If the drive spins (you feel vibration or hear the platters come up to speed) but your computer does not see it, the issue is in the electronics or firmware, not the motor. Check our drive not detected page for that scenario.
If the drive does not spin at all, the PCB is the first suspect. We connect the drive directly to PC-3000 via SATA (or through the E71-E75 solder bypass for USB-integrated WD drives) and check whether the drive identifies in the tool's terminal mode. Some drives with firmware corruption will identify in terminal but refuse to spin the motor. In those cases, we can send spin-up commands manually through the terminal, bypassing the corrupted firmware modules that are blocking normal initialization. This is a firmware-tier recovery ($600-$900), not a mechanical repair.
Related Symptoms
Frequently Asked Questions
Why is my hard drive not spinning?▾
A hard drive that won't spin can have several causes: seized spindle motor bearings, failed motor driver on the PCB, stuck heads (stiction), blown TVS diode from power surge, or corrupted firmware preventing spin-up. Each requires different recovery techniques.
Can data be recovered from a hard drive that won't spin?▾
Yes. Data recovery from non-spinning drives is common. If the motor is seized, we transplant platters to a donor drive. If heads are stuck, we free them on a 0.02 micrometer ULPA-filtered clean bench. If the PCB is damaged, we repair it at the component level or transplant the ROM chip to a donor board.
How much does it cost to recover data from a drive that won't spin?▾
Recovery costs depend on the root cause: firmware repair is $600-$900, stuck heads (stiction) costs $1,200-$1,500, and motor/platter transplant for seized spindles costs $1,500-$2,000. We provide a firm quote after free evaluation. No data, no charge.
My hard drive clicks once then stops spinning. What does that mean?▾
A single click followed by spin-down usually indicates the heads attempted to load but failed, causing the drive to enter a protective shutdown. This is often caused by weak or damaged heads, firmware issues, or a degraded motor. Professional imaging equipment like PC-3000 can often work around this by sending manual spin-up commands or bypassing the firmware safety checks.
Should I tap or shake a hard drive that won't spin?▾
No. Tapping or shaking a hard drive can dislodge heads, scratch platters, or worsen existing damage. If the motor is seized, physical force will not free it. If heads are stuck, impact can drag them across the platters destroying data.
Can a PCB swap fix a non-spinning drive?▾
Not by itself. Modern hard drives store unique calibration data (adaptive parameters) and a ROM chip on each PCB. Swapping a PCB from another drive, even the same model, will fail because the adaptive data does not match the specific heads and platters. The ROM chip must be transplanted from the original PCB to the donor, or the adaptive parameters must be read and written using PC-3000 terminal access.
What is the difference between motor seizure and stiction?▾
Motor seizure means the spindle motor bearings have locked up, preventing rotation entirely. You hear nothing or a faint electrical hum. Stiction means the read/write heads are physically stuck to the platter surface, blocking the motor from spinning. Stiction is common in 2.5-inch laptop drives and produces a beeping or buzzing sound. Motor seizure requires a platter transplant to a donor chassis ($1,500-$2,000). Stiction requires opening the drive on a clean bench and carefully freeing the heads ($1,200-$1,500).
Related Recovery Services
Full HDD recovery service overview
Component-level PCB repair and ROM transplant
Motor seizure and stiction recovery
Head failure diagnosis and recovery
Impact damage and head displacement
Firmware-level drive access
Drive Not Spinning? Get a Free Diagnosis.
We'll identify the cause and give you honest recovery odds. No data = no charge.