A leaked screw in a laptop: how to unscrew it without breaking the case?

Are you trying to disassemble the laptop for cleaning, replacing thermal paste or repair, but one of the screws has become “lost” - the slots on the head have worn out, and the screwdriver turns without clinging to the metal? This problem is familiar to anyone who has ever worked with technology. Lenovo, HP, Dell or Asus. Laptop screws are often made of soft alloys that become deformed from excessive force or poor-quality tools.

Unlike stationary PCs, where the case is more durable, laptops require special care: misalignment of the screw can lead to cracks in the plastic, damage to the printed circuit board, or even broken cables. In this article we will look at 7 working methods - from the simplest (with a rubber gasket) to the radical (with drilling), - and we will also tell you how to avoid common mistakes. Important: some methods require special tools, but most can be used with available tools.

Why screws “lick” and how to avoid it

The main cause of the problem is wrong tool. Most laptop screws are Phillips head type Phillips #00 or JIS #00 (Japanese standard, similar in appearance to Philips, but with a different sharpening angle). Using a screwdriver Phillips #0 or, worse, #1, leads to slipping and breaking of the splines. Another common mistake is tool misalignment when applying force.

Also, screws “lick” due to:

• 🔧 Corrosion or oxidation - typical for laptops after exposure to liquid.
• 🔩 Factory defect - cheap screws made of soft aluminum (found in budget models Acer And MSI).
• 🛠️ Over-tightening during a previous assembly (for example, in service centers).
• ⚡ Electrostatic discharge - rare, but can affect the structure of the metal.

To minimize risks, always use precision screwdriver with a magnetic tip (for example, a set iFixit Mako or Wera Kraftform). Before starting work, clean the screw head with alcohol - this will remove grease and dirt, improving grip. If the screw is tight, do not press harder: try loosening the adjacent fasteners a little to relieve tension on the case.

Method 1: Rubber gasket or chewing gum - the simplest solution

If the splines are not completely worn out and the screwdriver is spinning, try increasing the friction. Suitable for this:

• 🩹 A piece of a bicycle tube or a medical tourniquet (1–2 mm thick).
• 🍬 Chewing gum (no sugar so it doesn't stick to metal).
• 🧤 Rubber glove (cut a piece from your finger).

Algorithm of actions:

1. Press the rubber firmly against the screw head.
2. Press the screwdriver firmly through the gasket and try to turn it counterclockwise.
3. If the screw gives way, but does not come out completely, gently rock the screwdriver left and right, gradually loosening the fastening.

A piece of thick rubber (1×1 cm)

Screwdriver with precise tip

Alcohol to clean the screw head

Flashlight for illumination (optional) -->

This method works in 60–70% of cases if the splines are at least 30% preserved. The main thing is don't overdo it with effort, otherwise you risk tearing off the head completely. If the screw sits in a plastic socket (for example, in a cover MacBook), too much pressure may crack the housing.

⚠️ Attention: Do not use electrical tape or adhesive tape instead of rubber - the adhesive base may remain on the screw and complicate further manipulations.

Method 2: Lick Screw Extractor - Professional Approach

If the rubber method doesn't work, it's time to move on to specialized tools. Extractors (or "wrenchers") are reverse-threaded drill bits that screw into a damaged screw and allow it to be removed. They come in two types:

• 🔪 Conical - for screws with partially preserved splines.
• 🌀 Spiral - for completely licked heads.

Step by step instructions:

1. Select the extractor according to the screw diameter (usually #0 or #1 for laptops).
2. Drill a small hole in the center of the head (if the extractor is conical) or simply install it in the center.
3. Using a hammer, lightly tap the extractor into the screw (this step is not necessary for spiral models).
4. Turn the extractor counterclockwise - the screw should come out along with it.

Extractor type	Suitable for	Difficulty	Risk of damage to the housing
Conical	Screws with spline residues	Low	Minimum
Spiral (left-hand thread)	Completely licked screws	Average	Medium (risk of slipping)
Set with guide bushing	Deep recessed screws	High	Low (fine alignment)

Extractors are sold in sets (for example, Neiko 02407A or IRWIN Han-Sert). If you often repair equipment, such a set will pay for itself quickly. For one-time use, you can borrow a tool or buy a cheap analogue (but be prepared for lower quality metal).

⚠️ Attention: When working with an extractor do not use an electric drill - hand tools only! Vibration from the drill can damage the circuit board or connectors near the screw.

Method 3: Soldering iron + solder - for Phillips screws

If the screw has a Phillips head, but the slots are worn out, you can use a soldering iron and tin. The method is based on creating a new “slot” of solder, which is then hooked with a screwdriver. Suitable for screws in metal sockets (e.g. in housings ThinkPad or Latitude).

What you will need:

• 🔥 Soldering iron (power 30–40 W).
• 🧵 Solder (preferably with flux inside, for example, Sn60/Pb40).
• 🧴 Flux (for example, LTI-120).
• 🪛 Phillips screwdriver #00.

Instructions:

1. Apply flux to the screw head and heat it with a soldering iron for 5-10 seconds.
2. Press the solder firmly into the center of the screw - it should flow into the remaining grooves of the slots.
3. Let cool for 1-2 minutes, then press a screwdriver into the molten tin.
4. Turn carefully counterclockwise. If the solder holds, the screw will come out.

This method requires soldering skills, but gives good results for screws with a diameter of 2 mm. Not suitable for plastic nests - high risk of melting. Also avoid overheating: if the screw sits in an aluminum housing (for example, MacBook Air), prolonged exposure to a soldering iron can deform the metal.

Method 4: Drilling - radical but effective

If the screw is completely licked off and does not respond to other methods, it remains drilling. This method destroys the screw, but allows you to preserve the threads in the housing. Important: drilling requires precision and is only suitable for metal sockets (in plastic, the threads will have to be restored with inserts).

Step by step process:

1. Select a drill with a diameter 0.1–0.2 mm smaller than the diameter of the screw (for example, for a screw M2.5 use drill 2.3 mm).
2. Secure the laptop case (for example, in a vice with soft jaws) to avoid vibrations.
3. Drill strictly in the center of the screw to a depth of 1–1.5 mm (no deeper!).
4. Use an extractor or a sharpened screwdriver to remove any remaining residue.

If the threads in the housing are damaged, they can be repaired using threaded insert (For example, Helicoil). To do this:

1. Drill the hole to the standard insert size.
2. Apply the thread with a tap.
3. Install the insert and break off its shank.

⚠️ Attention: When drilling a laptop disconnect the battery and make sure there are no electrical components nearby. For example, in HP Spectre The SSD mounting screws are located next to the power contacts - shorting them can damage the motherboard.

What to do if the screw breaks off while drilling?

If the drill breaks the screw flush with the body, use broken extractor (For example, Damaged Screw Extractor from Dremel). An alternative is to drill out the screw completely and cut a new thread of a larger diameter (if the thickness of the case allows).

Method 5: Moment glue or epoxy - for extreme cases

If the screw is recessed in the body and other methods do not help, you can glue it to its head nut or bolt suitable size. This method is suitable for screws that do not need to be retained (for example, when replacing the case).

Use:

• 🧴 Epoxy glue (For example, Loctite Epoxy) - withstands high loads.
• 🔩 Superglue "Moment" (gel so as not to spread).
• 🔧 Nut M2–M3 (inner diameter must be smaller than the screw head).

Instructions:

1. Clean the screw head with acetone or alcohol.
2. Apply glue to the nut and press it firmly onto the screw.
3. Leave for 5-10 minutes (for epoxy - 1 hour), then try to unscrew it with a wrench.

This method works 80% of the time, but has disadvantages:

• ⏳ Long waiting time (especially for epoxy).
• 🔥 Risk of damaging the body when the nut comes off (if the glue gets on the plastic).
• 🔄 The screw cannot be reused.

Method 6: Sawing the slot with a hacksaw or Dremel

For screws with a completely worn head, you can cut a new slot for a flathead screwdriver. This method requires precision, but is suitable for recessed screws where other methods are ineffective.

Tools:

• 🔪 Hacksaw for metal (with small teeth).
• 🛠️ Dremel with cutting disc (thinner than 0.5 mm).
• 🪛 Flat head screwdriver (preferably with a hardened tip).

How to proceed:

1. Secure the laptop case (for example, in a vice with rubber gaskets).
2. Carefully cut a groove 1–1.5 mm deep along the diameter of the head.
3. Insert a flathead screwdriver and try to remove the screw.

This method is suitable for screws with a diameter of 3 mm. For smaller sizes (eg. M2) it is better to use a Dremel with a diamond blade. The main risk is damage to adjacent components, so before work, study the housing diagram (for example, for Dell XPS screws near the power connector require special care).

Method 7: Heat - for screws in aluminum cases

If the screw has become stuck in the aluminum case (typical for MacBook Pro or Razer Blade), it can be weakened by heating. When heated, the metal expands and the threaded connection loses its density.

Heating methods:

• 🔥 Industrial hair dryer (temperature 200–300°C, hold for 1–2 minutes).
• 🕯️ Soldering station (Do not heat with a burner - risk of fire!).
• ☀️ A heating pad or hot air from a kettle (for low heat).

Important:

• Do not heat the case near battery or plastic elements.
• After heating, let the screw cool for 30 seconds, then try to unscrew it.
• If the screw does not budge, repeat heating 2-3 times (without overheating!).

⚠️ Attention: In laptops with lithium batteries (For example, Lenovo Yoga) Heating above 60°C can cause them to swell. Always disconnect the battery before working!

Common mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes that complicate repairs. Here are the most common:

Error	Consequences	How to avoid
Using the wrong size screwdriver	Complete destruction of the splines	Check the labeling: for laptops usually Phillips #00 or JIS #00
Application of force at an angle	Head breakage, body damage	Use a screwdriver with a magnetic tip and a guide sleeve
Drilling without centering	PCB damage	Use a punch or center pick for precise markings
Heating of plastic parts	Deformation or melting of the housing	Heat only metal areas using a heat sink

Critical error: attempting to remove a screw without removing any remaining adhesive or sealant (for example, in waterproof laptops) Panasonic Toughbook). Always clean the screw head with alcohol or solvent (such as WD-40). If the screw “sits” on the sealant, it must first be softened with a hairdryer.

FAQ: Answers to frequently asked questions

Is it possible to unscrew a licked screw without special tools?

Yes, in 50–60% of cases, improvised means help: rubber, chewing gum or a flat-head screwdriver with a slot. However, for recessed screws or screws in metal sockets (e.g. MacBook) it is better to use an extractor or soldering iron.

What to do if the screw breaks off inside the case?

If the fragment is sticking out above the surface, try to grab it with pliers or wire cutters. If the screw breaks off flush, use the broken extractor or drill out the remainder. As a last resort, you can cut a new thread of a larger diameter (if the thickness of the case allows).

How to avoid breakage of splines when assembling a laptop?

Use torque screwdriver (For example, Wera Kraftform Kompakt) with a tightening torque limit (usually 0.5–1.0 Nm for laptops). Also apply to threads graphite lubricant or anti-seize paste (For example, Loctite 243).

Can WD-40 be used on licked screws?

WD-40 only helps if the screw is rusty or stuck. For aluminum housings (e.g. MacBook) it is useless and in some cases can damage the plastic. Better to use alcohol or acetone to clean the head.

Is it worth contacting service if you can’t unscrew the screw?

If the screw is securing a critical element (such as the motherboard or screen) and you have exhausted all methods, it is better to contact a service center. Masters use professional equipment (for example, ultrasonic cleaning or microscope for precision drilling). The average cost of removing one screw is 500–1500 rubles.