Before getting more in depth about how to fix an external hard drive after it was dropped, the first thing to do is STOP trying to power on the drive as this will only cause more damage to the platters, making a professional data recovery more challenging — if not impossible. If you are not sure how to move forward, please give us a call and our engineers will be happy to walk you through the process.
So before moving forward with our DIY guide, please make sure you safely power down the drive and put it aside. Our guide will walk you through the entire process from diagnosis to repair. Please keep in mind that you will need special tools and resources to get this done. We always discourage DIY attempts, but we understand that sometimes people prefer to attempt the recovery themselves before seeking a professional.
Step 1: Understand the Problem with the Drive
Before we try to fix the issue with the drive, we want to understand what the exact problem is. Is the hard drive clicking, beeping, or does it have no power whatsoever? Depending on this, we can take the next steps toward repairing the drive.
Clicking
If the hard drive is making clicking sounds after it was dropped, the issue is either bad read/write heads or media damage. If the issue is the heads, you can attempt a head swap and regain access to the data. If the issue is media damage (damage to the platters where the data is stored), the data would most probably be unrecoverable.
Beeping
If your hard drive is making beeping sounds after it was dropped, the issue is called "Stiction" — the read/write heads have crashed on top of the platters, preventing them from spinning. Please do not rush to watch YouTube videos on how to repair this problem. There is more to the process than just the physical part.
Spins Normally But Doesn't Mount
Put your ear to the drive and listen carefully. If you hear the drive spinning up normally without unusual sounds but it's not mounting, this is actually a pretty good sign. Chances are the issue is a damaged file system or firmware. We'd still recommend jumping to Step 2 to verify there's no physical damage inside.
Step 2: Inspecting the Inside of the Drive
This step is critical. Do not rush. Data recovery is not about speed — it's about precision. You only get one good chance at recovering the data. One small mistake can make your data unrecoverable forever.
IMPORTANT: In this step, you are going to open the actual drive cover — not the enclosure, but the actual metal cover where the platters are stored. We do not recommend you do this yourself, but if you are determined, please follow all steps carefully. Make sure you have the correct screwdriver (usually T5, T6, or T8). You'll also need tweezers for removing the magnet holding the head assembly.
Head Inspection
First, take a look at the platters to make sure there are no noticeable scratches or contamination on the top surface. Use a green light (available on Amazon) for best visibility. If the surface is clean, check the read/write heads for physical damage or contamination. You'll need a head comb to safely remove the heads — without one, the sliders will touch and get destroyed the moment you slide the heads off the ramp.
Steps to remove heads:
- Place the head comb on the read/write heads through the special hole, then gently press it onto the heads.
- Remove the two screws securing the hard drive cable connector. Carefully pull the connector up — it's connected to the head assembly so don't pull too hard.
- Remove the screw holding the magnet. Use tweezers to grip the magnet from the rear and firmly raise it up off the head assembly.
- Remove the parking brake pin carefully using tweezers. Gently move the heads forward to relieve tension, then pull the pin straight up.
- Remove the entire headstack assembly. Some models have a bottom screw; others allow you to carefully pull the heads straight up. Keep your eye on the sliders throughout.
- Inspect the sliders under a microscope. They should be super clean and shiny. Any contamination reduces — but doesn't eliminate — your chances.
Stiction Repair
Observe inside the drive first without touching anything. Look for scratches or contamination on the top surface using a green light. If the surface is clean:
- Locate the platter center screw. Find the exact-size screwdriver (must be exact). The goal is to spin the platters while simultaneously pulling the stuck heads back onto the parking ramps in one smooth motion.
- With your right hand, turn the screw with the screwdriver. With your left hand, use tweezers to bring the heads straight back off the platters. Practice this motion before doing it on the actual drive.
- Do NOT just put the drive cover back on and power up. If the read/write heads are physically damaged or contaminated, powering on will destroy the data forever. Remove and inspect the heads (follow the clicking section steps above).
Software Diagnosis First
- Connect the drive to your computer. Check if it appears in Disk Utility (Mac) or Disk Management (PC).
- If the drive is listed and shows the correct capacity — great sign. Proceed to data recovery software.
- If the drive is NOT listed at all, stop. The issue is likely firmware or mechanical and requires a professional with a PC-3000 tool by Ace Laboratory. DIY attempts here will make it worse.
- If listed correctly, you can cautiously try data recovery software. Do not leave the scan unattended. If the scan gets stuck or slows down significantly at certain sectors, stop immediately — media damage is present and further scanning will make it worse.
- If the scan completes without errors, start saving the recovered data. Monitor the entire process — errors left unattended can cause serious damage.
Step 3: Attempting a Head Swap
By this point, you've inspected the inside of the drive, removed the heads, and inspected the sliders. If the heads are damaged, you'll need a compatible donor drive. Look for a match on these label fields:
- Drive Model Number (exact)
- Part Number (exact)
- Country of Manufacture (exact)
- Date of Manufacture (within 3 months)
- DCM (for WD drives)
The more the label matches, the higher the chances the donor part will work. The head swap process is the reverse of the removal process. Key points:
- Use tweezers to hold the headstack as you're placing it back in the drive.
- Hold heads all the way back (away from the ramps) as you tighten the bottom screw.
- Once the screw is tightened, let the heads slide back gently onto the ramp — no force required.
- Replace the parking brake pin, then carefully set the magnet back on top of the assembly.
- Tighten the drive cover screws in a zig-zag pattern, in small increments.
Conclusion
We hope this guide was useful in helping you recover data from your dropped drive. If you have questions at any step, please don't hesitate to reach out — our engineers are here to help.
Final Disclaimer: If the data on your drive is irreplaceable — family photos, business documents, production files — please do not attempt recovery yourself. If the data is easily replaceable and you can't justify the cost of professional recovery, have fun with the process. But don't take risks with data that can't be recreated.
⚠️ Don't Risk It
Stop everything. Stop running tools. Stop mounting the drive. Stop trying things.
The single most important move you can make right now is to stop adding variables to the problem. Then call us.
Five Star Data Recovery
Call us before you try anything else. The data that looks gone may not be.