Laptop screws may look like insignificant components, but using the wrong screw can cause surprisingly serious damage.

A screw that is only a few millimetres too long can damage a motherboard, battery, keyboard, touchpad, display assembly or plastic casing. A screw with the wrong thread can destroy a threaded insert, while using an incorrectly sized screwdriver can strip the screw head and make future disassembly extremely difficult.

Modern laptops may contain several different screw specifications in a single machine. For example, a current repairable laptop can use M1.2, M1.4, M1.6, M2 and M2.5 fasteners with PH0 and T5 drives in different locations.

For this reason, technicians should never assume that laptop screws are universal.

This guide explains how laptop screws are identified, common screw and screwdriver types, where different screws are normally used, how to measure them, and how to avoid damaging a laptop during repair.

1. Understanding Laptop Screw Terminology

Before identifying a laptop screw, understand that several separate characteristics describe it.

A screw may be described by its:

Thread diameter – for example M2 or M2.5
Length – for example 3 mm or 6 mm
Thread pitch – distance between individual threads
Drive type – Phillips, Torx, pentalobe, etc.
Drive size – PH0, PH00, T5, T6, etc.
Head shape – pan, flat/countersunk, button, wafer, etc.
Material/coating – steel, stainless steel, black oxide, zinc plated, etc.

Therefore:

M2 × 3 mm Phillips pan-head screw

provides considerably more information than simply saying:

small laptop screw

This distinction is extremely important when ordering replacements.

2. What Does M2, M2.5 or M3 Mean?

The letter M indicates a metric screw thread.

The number following M approximately identifies the nominal outside diameter of the thread.

Examples:

Screw	Nominal Thread Diameter
M1.2	1.2 mm
M1.4	1.4 mm
M1.6	1.6 mm
M2	2.0 mm
M2.5	2.5 mm
M3	3.0 mm

An M2 × 3 mm screw therefore normally means:

• Metric thread
• Approximately 2 mm nominal thread diameter
• 3 mm screw length

It does not mean that an M2 screw is intended only for an M.2 SSD.

Important: M2 Screw vs M.2 SSD

These names are easy to confuse.

M2 describes a metric screw diameter.

M.2 is a computer expansion-card/form-factor standard used for devices such as NVMe SSDs and Wi-Fi modules.

They are different concepts.

3. Common Laptop Screw Sizes

There is no single universal laptop screw-size standard that applies to every manufacturer and every model.

However, technicians frequently encounter sizes around:

• M1.2
• M1.4
• M1.6
• M2
• M2.5
• M3

Lengths may range from only a few millimetres to considerably longer screws used around hinges, structural brackets or older laptop chassis.

Typical examples encountered in repair work include:

Approximate Screw Size	Common Possible Application
M1.2–M1.6	Very small internal components
M2 × 2–4 mm	Internal boards, SSDs, small brackets
M2 × 4–6 mm	Covers, fans, internal assemblies
M2.5 × 4–6 mm	Chassis and bottom covers
M2.5 × 6–8 mm	Structural or hinge-related areas
M3	Some drive, bracket or heavier structural applications

These are examples rather than guaranteed specifications.

A Framework Laptop 16, for example, uses fasteners ranging from M1.2 through M2.5 with different lengths and PH0/T5 drives depending on component location. This demonstrates why visual size alone is not enough to select a replacement.

Always check the manufacturer's service manual or model-specific repair documentation where available.

4. Phillips Screws

Phillips is one of the most familiar screw-drive systems.

The recess looks like a cross:

+

Precision Phillips sizes commonly encountered around electronics include:

• PH000
• PH00
• PH0
• PH1

PH0 and smaller precision bits are particularly relevant to laptop and electronic repair. Phillips #0, #00 and #000 are closely related sizes, although using the bit that properly fits the individual fastener provides better access and reduces damage.

Where Phillips screws may be found

They may secure:

• Bottom covers
• Motherboards
• Cooling fans
• Batteries
• Keyboards
• Touchpads
• Wi-Fi cards
• SSDs
• Internal brackets
• Older hard-drive caddies

Technician Tip

Do not automatically choose the screwdriver that merely enters the screw.

Choose the bit that fills the recess correctly with minimum movement.

An undersized bit can damage the corners of the screw recess.

5. Torx Screws

Torx screws have a six-lobed star-shaped recess.

Common precision Torx sizes encountered in computers include:

• T3
• T4
• T5
• T6
• T8
• T10

The exact size depends completely on the device.

For example, repair documentation for a Dell XPS 13 7390 lists T5 Torx screws on the back cover while Phillips tools are also required elsewhere in the laptop.

Torx designs provide good tool engagement and resistance to cam-out when the correct bit is used.

Common Torx applications

Torx screws may be used for:

• Bottom covers
• Internal chassis
• SSD brackets
• Fans
• Heatsinks
• Hinges
• Display assemblies
• Motherboards
• Premium ultrabooks

Never substitute a Phillips or flat screwdriver for a Torx driver.

6. Pentalobe Screws

Pentalobe screws use a five-lobed drive.

They are particularly associated with Apple hardware.

Many MacBook models use P5 pentalobe screws on the bottom case, while different Torx sizes may be used internally. Current Mac repair documentation also shows that different screw lengths and widths may exist even when the same general drive family is used.

Therefore, opening a MacBook may require several precision bits rather than a single screwdriver.

7. Other Screw Drives You May Encounter

Depending on the manufacturer and product generation, technicians may occasionally encounter:

• Slotted
• Hex/Allen
• Security Torx
• Tri-point
• Proprietary fasteners

Do not force a similar-looking screwdriver into an unfamiliar screw.

Identify the drive first.

8. Screw Drive Type vs Screw Head Shape

This is an important distinction.

Phillips and Torx describe how the screwdriver engages the screw.

Terms such as:

• Pan head
• Flat/countersunk head
• Button head
• Wafer head

describe the physical shape of the screw head.

Therefore, a screw could theoretically be:

Phillips + pan head

or:

Torx + countersunk head

Calling every flat-headed screw a "flat screwdriver screw" can therefore be misleading.

9. Pan-Head Screws

Pan-head screws have a relatively broad head with a raised top.

They are commonly suitable where the head can remain above the mounting surface.

Possible applications include:

• Motherboard mounting
• Brackets
• Internal components
• Storage devices
• Chassis assemblies

10. Flat or Countersunk Screws

Countersunk screws are designed so that the head can sit approximately flush with the surrounding surface when installed into the correct countersunk hole.

They may be used where:

• Surface clearance is limited
• Another component sits over the screw
• A flush exterior finish is required

A countersunk screw should not automatically be substituted with a pan-head screw even if the thread appears identical.

11. Captive Screws

Modern laptops increasingly use captive screws on bottom covers or service panels.

A captive screw loosens but remains attached to the panel.

This has several advantages:

• Reduces lost screws
• Simplifies servicing
• Helps maintain correct screw placement
• Makes reassembly easier

Important

If a screw continues rotating but does not come out of the bottom cover, check whether it is captive before attempting to pull it out.

Forcing a captive screw can damage the cover.

12. Self-Tapping Screws

Some laptop assemblies use screws that engage directly with plastic or specially designed chassis material rather than a conventional metal threaded nut.

These may be used around:

• Plastic bottom housings
• Speaker assemblies
• Internal plastic frames
• Older notebook chassis

Replacing a self-tapping screw with an incorrect machine screw can damage the mounting point.

Likewise, repeatedly overtightening screws into plastic can destroy the thread.

13. Laptop Bottom-Cover Screws

Bottom covers may use:

• Phillips
• Torx
• Pentalobe
• Captive screws
• Different screw lengths on the same cover

Never assume all bottom-cover screws are identical simply because their heads look similar.

Some manufacturers deliberately use longer screws near hinges or particular chassis locations.

14. Laptop Hinge Screws

Hinge screws are particularly important because laptop hinges experience repeated mechanical loading whenever the screen is opened or closed.

Hinge assemblies may use relatively larger or longer screws than small electronic components.

Loose hinge screws can contribute to:

• Display movement
• Clicking sounds
• Broken mounting points
• Cracked plastic
• Damaged palm rests
• Damaged bottom covers

However, overtightening can also damage threaded inserts.

15. Motherboard Screws

Motherboard screws generally need to be short enough not to contact components or penetrate beyond the intended mounting point.

Using an incorrect motherboard screw can potentially:

• Damage PCB traces
• Crack the board
• Damage a threaded insert
• Contact another component
• Cause electrical problems

Never use a longer screw simply because its thread fits.

16. Cooling Fan Screws

Cooling fans may use small machine screws or self-tapping screws depending on the laptop design.

Do not confuse fan screws with heatsink screws.

Fan mounting normally secures the fan housing.

Heatsink screws perform a different job involving controlled pressure against the CPU/GPU assembly.

17. Heatsink Screws

Heatsink assemblies deserve special attention.

Many laptop heatsinks use:

• Spring-loaded screws
• Captive screws
• Numbered tightening sequences

Numbers such as:

1 → 2 → 3 → 4

may be printed beside the screws.

Follow the manufacturer's specified sequence when possible so mounting pressure is applied evenly.

Do not replace spring-loaded heatsink screws with ordinary screws merely because the thread fits.

18. M.2 SSD Screws

One of the most frequently lost computer screws is the M.2 SSD retaining screw.

A commonly encountered specification is around:

M2 × 3 mm

However, the exact screw and standoff arrangement is motherboard-dependent, and modern systems may also use screwless retention mechanisms.

The SSD is inserted into the M.2 socket at an angle, lowered toward the motherboard, and secured using the appropriate retention mechanism.

Important

Do not install a random laptop screw into the M.2 standoff.

An incorrect thread can permanently damage the standoff.

19. Wi-Fi Card Screws

Laptop WLAN cards are also commonly retained using a very small screw.

These screws can look similar to M.2 SSD screws but should not automatically be considered interchangeable.

Always verify:

• Diameter
• Thread
• Length
• Head clearance

20. 2.5-Inch HDD and SATA SSD Screws

Older and larger laptops may contain:

• 2.5-inch hard disks
• 2.5-inch SATA SSDs
• Drive caddies
• Mounting brackets

Several screws may therefore be involved:

Drive-to-caddy screws

and

Caddy-to-laptop screws

These may have different specifications.

Keep them separated during disassembly.

21. Keyboard and Touchpad Screws

Keyboard and touchpad screws are often extremely short.

Installing a longer screw in one of these positions can potentially press against or damage the visible surface above it.

This is one of the reasons technicians should never place all removed laptop screws into a single unsorted container.

22. How to Read a Screw Specification

Consider:

M2.5 × 6 mm PH0

This can generally be interpreted as:

M2.5 – nominal 2.5 mm metric thread diameter
6 mm – screw length
PH0 – Phillips #0 drive

Additional specifications may describe:

• Thread pitch
• Head diameter
• Head height
• Material
• Finish
• Head shape

23. How Is Screw Length Measured?

Length measurement depends on head style.

For many non-countersunk screws, length is measured approximately from underneath the head to the tip.

For a countersunk screw, the head forms part of the installed length, so measurement is typically taken from the top of the head to the tip.

This difference matters when comparing replacement screws.

24. Why Screw Length Is Extremely Important

Consider two screws:

M2 × 3 mm

and

M2 × 6 mm

They may have exactly the same thread diameter but one is twice as long.

Installing the 6 mm screw where a 3 mm screw belongs could potentially:

• Press against the motherboard
• Damage the keyboard
• Damage the palm rest
• Damage the touchpad
• Puncture or deform a battery
• Create a bulge in the casing
• Damage PCB components

Never judge compatibility only by thread diameter.

25. Never Force a Laptop Screw

A correct screw should normally engage smoothly.

If significant resistance appears immediately, stop.

Possible causes include:

• Wrong thread diameter
• Wrong thread pitch
• Cross-threading
• Damaged threaded insert
• Screw entering at an angle
• Debris in the hole
• Incorrect screw location

Forcing it may permanently damage the mounting point.

26. What Is Cross-Threading?

Cross-threading occurs when the screw enters the threaded hole at an incorrect angle or with mismatched threads.

Symptoms include:

• Immediate resistance
• Screw sitting crooked
• Screw becoming unusually tight
• Screw failing to seat fully

Stop tightening immediately if cross-threading is suspected.

27. Why Laptop Screws Become Stripped

A stripped screw head occurs when the screwdriver can no longer grip the recess correctly.

Common causes include:

• Wrong screwdriver size
• Poor-quality screwdriver
• Excessive torque
• Driver held at an angle
• Repeated removal
• Thread-locking compound
• Corrosion
• Previous repair damage

Precision screwdriver quality matters considerably in laptop repair.

28. How to Prevent Stripped Laptop Screws

Use these practices:

1. Select the exact bit type.
2. Select the closest correct bit size.
3. Hold the screwdriver vertically.
4. Apply firm downward pressure.
5. Turn slowly.
6. Stop if the bit starts slipping.
7. Do not use excessive force.
8. Inspect for thread-locking compound if unusually tight.

A screwdriver that fits loosely should not be used simply because it can rotate the screw.

29. What to Do With a Stripped Screw

Possible techniques depend on the severity of the damage.

Start with the least destructive method.

Method 1 – Correct Precision Bit

Try a high-quality bit that fits the remaining recess precisely.

Method 2 – Increase Downward Pressure

Apply controlled downward force while slowly rotating.

Method 3 – Rubber Friction Method

A thin rubber layer between the bit and damaged screw may sometimes provide additional grip for mildly stripped screws.

Method 4 – Precision Screw Extractor

Special micro screw-extractor tools are available.

Method 5 – Professional Removal

If the screw is near:

• Motherboard
• Lithium battery
• Display
• SSD
• Other delicate components

professional removal may be safer.

Drilling should generally be considered a last resort because metallic debris can cause electrical damage.

30. Why Magnetic Screwdrivers Are Useful

A lightly magnetized precision screwdriver can help:

• Pick up tiny screws
• Position screws inside recessed holes
• Prevent screws dropping into the laptop

However, good control remains essential.

Never allow loose screws to remain inside a laptop.

31. Recommended Screwdriver Kit for Laptop Repair

A useful technician's precision set may include:

Phillips

• PH000
• PH00
• PH0
• PH1

Torx

• T3
• T4
• T5
• T6
• T8
• T10

Apple/Specialized

• Pentalobe bits
• Tri-point bits

Other Tools

• Precision tweezers
• Plastic opening picks
• Spudger
• Magnetic parts tray
• Screw organizer
• Magnifying glass
• Digital caliper

You will not necessarily need every bit for every laptop.

Model-specific repair instructions should determine the actual tools required.

32. Best Way to Organize Screws During Laptop Repair

One of the most common technician mistakes is mixing screws during disassembly.

Use a:

• Magnetic project mat
• Compartment organizer
• Labelled tray
• Printed screw map
• Piece of paper with screw positions marked

A repair guide for older Apple laptops, for example, explicitly recommends organizing screws by location because different positions may contain different fasteners.

33. Take a Photograph Before Removing Screws

Before disassembling a complicated laptop section:

Take a clear photograph.

Then place screws according to their original positions.

This simple practice can prevent significant reassembly mistakes.

34. Never Mix Long and Short Screws

This is one of the most important rules in laptop repair.

Two screws can have:

• Same colour
• Same head
• Same drive
• Same diameter

but different lengths.

A difference of only 1–2 mm can matter inside a thin laptop.

35. What If a Laptop Screw Is Missing?

Do not automatically replace it with the first screw that fits.

Determine:

1. Laptop manufacturer
2. Exact model
3. Component location
4. Thread diameter
5. Screw length
6. Head type
7. Drive type
8. Whether a washer or spring is required

Check the manufacturer's service documentation whenever possible.

36. Can You Operate a Laptop With Missing Screws?

It depends on the screw.

A missing cosmetic bottom-cover screw may not immediately prevent operation, but a missing:

• Heatsink screw
• Hinge screw
• Motherboard screw
• Battery mounting screw
• SSD retaining screw

can be much more important.

Missing screws should therefore be replaced with the correct specification rather than ignored.

37. Should Laptop Screws Be Tightened Very Hard?

No.

Laptop screws normally require controlled tightening rather than maximum force.

Overtightening can:

• Strip threads
• Crack plastic
• Damage threaded inserts
• Deform panels
• Damage PCBs
• Strip the screw head

Tighten only enough to secure the component properly unless the manufacturer specifies a particular torque.

38. Thread-Locking Compound on Laptop Screws

Some manufacturers apply thread-locking material to selected screws.

It may appear as coloured material on the threads.

Its purpose is generally to reduce unwanted loosening caused by vibration or repeated movement.

Do not automatically apply strong permanent threadlocker during laptop repair.

Use only manufacturer-approved material where required.

39. Laptop Screw Materials and Finishes

Laptop fasteners may be manufactured from materials such as:

• Carbon steel
• Stainless steel
• Other suitable metal alloys

Possible finishes include:

• Black oxide
• Zinc plating
• Other protective coatings

The colour of a screw does not reliably indicate its size or thread.

40. Desktop PC Screws Are Different

Do not assume laptop screws and desktop PC screws are interchangeable.

Desktop computers commonly use larger fasteners for:

• Cases
• Power supplies
• 3.5-inch drives
• Expansion cards
• Motherboard standoffs

Laptop fasteners are generally much smaller and more model-specific.

41. Common Laptop Screw Problems and Likely Causes

Problem	Possible Cause
Screwdriver slipping	Wrong bit or damaged head
Screw turns but doesn't come out	Captive screw or damaged thread
Screw will not enter	Wrong screw or cross-threading
Screw stops before seating	Screw too long or incorrect thread
Screw falls through hole	Diameter/head too small
Cover has a bulge	Wrong/overlong screw
Screw extremely tight	Threadlocker, corrosion or damage
Screw head stripped	Incorrect driver or excessive force
Plastic mount rotates	Broken threaded insert
Screw missing	Previous repair or vibration

42. Technician's Safe Laptop Disassembly Procedure

Before opening a laptop:

1. Shut down the operating system.
2. Disconnect the AC adapter.
3. Remove external peripherals.
4. Remove the removable battery where applicable.
5. Follow the manufacturer's procedure for disconnecting an internal battery.
6. Use ESD precautions.
7. Identify the correct screwdriver.
8. Photograph the bottom cover.
9. Note different screw lengths.
10. Organize every screw by location.
11. Use plastic opening tools where appropriate.
12. Never force the cover after screws are removed.
13. Check for hidden or captive screws.
14. Disconnect the internal battery before sensitive internal work where the service procedure calls for it.
15. Reinstall each screw into its original position.

43. Common Mistakes to Avoid

Mistake 1: Assuming every screw is identical

They may look identical while having different lengths.

Mistake 2: Using PH1 because PH0 is unavailable

Use the correct bit.

Mistake 3: Using Torx in a pentalobe screw

The shapes are different.

Mistake 4: Forcing a screw

Resistance usually means something should be checked.

Mistake 5: Overtightening

More torque does not mean a better repair.

Mistake 6: Mixing all screws together

Maintain a screw map.

Mistake 7: Installing a long screw in a short-screw position

This can cause expensive internal damage.

Mistake 8: Assuming every M.2 SSD uses exactly the same mounting hardware

Verify the motherboard or laptop design.

44. Quick Screw Identification Chart

Identification	Meaning
M2	2 mm nominal metric thread
M2.5	2.5 mm nominal metric thread
M3	3 mm nominal metric thread
M2 × 3	2 mm diameter, 3 mm length
PH00	Precision Phillips drive
PH0	Phillips #0 drive
T5	Torx T5 drive
T6	Torx T6 drive
P5	Pentalobe drive commonly associated with MacBook service
Captive	Screw remains attached to panel
Countersunk	Head designed to sit flush in suitable recess

45. How to Buy the Correct Replacement Laptop Screw

Search using the most specific information possible.

Instead of searching:

Dell laptop screw

search for something similar to:

Dell [exact model] bottom cover screw specification

or:

M2 × 3 mm PH0 laptop screw

If you do not know the specification, obtain it from:

• Manufacturer service manual
• Official parts documentation
• Model-specific repair guide
• Original screw measurement
• Reputable parts supplier

46. Final Technician Recommendation

Treat every laptop screw as a specific component rather than generic hardware.

Before replacing a screw, verify:

Diameter + Length + Thread + Head + Drive + Location

For professional repair work, maintain an assortment of common laptop fasteners, but never install a screw based solely on appearance.

Correct screw identification prevents stripped threads, damaged cases, broken hinges, damaged motherboards and unnecessary repeat repairs.

Frequently Asked Questions (FAQ)

1. What are the most common screw sizes used in laptops?

M2 and M2.5 are frequently encountered, but laptops may also use smaller M1.2, M1.4 or M1.6 fasteners and larger screws depending on the component and model.

2. What screwdriver is normally used for laptop screws?

Precision Phillips drivers such as PH0 and PH00 are common, but many laptops also require Torx or other specialized bits.

3. Is Phillips #2 commonly used for opening laptops?

PH2 is common for larger hardware applications, but laptop repair frequently requires smaller precision Phillips sizes such as PH0 or PH00.

4. What does M2 × 3 mm mean?

It normally describes a metric screw with approximately 2 mm nominal thread diameter and 3 mm length.

5. Is M2 the same thing as an M.2 SSD?

No. M2 describes a metric screw diameter, while M.2 describes a computer expansion-card/form-factor standard.

6. What screw is commonly used for an M.2 SSD?

M2 × 3 mm is commonly encountered, but you should verify the motherboard or laptop manufacturer's specification before replacement.

7. Can I use any M2 screw for an M.2 SSD?

No. Length, thread pitch, head dimensions and the motherboard's standoff design must also be correct.

8. Why won't my laptop screw come out even though it is turning?

It may be a captive screw designed to remain attached to the cover, or the mounting thread may be damaged.

9. What is a captive screw?

A captive screw can be loosened but is retained by the panel so that it does not fall out.

10. Why are some laptop screws different lengths?

Different chassis depths and components require different screw lengths.

11. Can a longer screw damage a laptop?

Yes. An excessively long screw can damage internal components, deform the casing or potentially contact the battery or motherboard.

12. How should I organize laptop screws?

Use a magnetic mat, labelled tray, screw map or compartment box and keep screws associated with their original positions.

13. Should I use a magnetic screwdriver?

A lightly magnetized precision screwdriver is extremely useful for handling small laptop screws.

14. Can a Torx screwdriver open a pentalobe screw?

It should not be used as a substitute. Use the correct pentalobe bit.

15. What Torx sizes are used in laptops?

T3, T4, T5, T6, T8 and other sizes may be encountered depending on manufacturer and model.

16. What screwdriver is used for a MacBook?

It depends on the model and repair. Many MacBooks require a pentalobe driver for the bottom case and various Torx or other drivers internally.

17. Why does my screwdriver keep slipping?

The bit may be the wrong size/type, the screw may be stripped, or the tool may not be seated correctly.

18. How can I prevent stripping laptop screws?

Use the exact bit, keep the driver vertical, apply controlled downward pressure and avoid excessive torque.

19. Can I use a normal household screwdriver on a laptop?

It is better to use a quality precision screwdriver set because laptop screws are considerably smaller than common household screws.

20. Should I use threadlocker on laptop screws?

Only where specified or appropriate. Do not automatically apply strong threadlocker to laptop screws.

21. Can laptop screws be reused?

Usually, undamaged screws can be reused unless the manufacturer specifies replacement or the fastener has been damaged.

22. Why is there coloured material on a screw thread?

It may be factory-applied thread-locking or identification material.

23. What happens if a screw is cross-threaded?

The screw or threaded insert may be damaged and may eventually fail to tighten correctly.

24. How can I identify the correct replacement screw?

Check the service manual, measure the original fastener and verify its diameter, length, thread, head and drive.

25. Can I leave a missing laptop screw unreplaced?

That depends on its function, but replacing it correctly is recommended. Structural, heatsink, hinge, battery and storage mounting screws can be particularly important.

26. Why are heatsink screws spring-loaded?

The spring mechanism helps maintain controlled pressure between the heatsink and processor assembly.

27. Should heatsink screws be tightened in sequence?

If the manufacturer provides a numbered sequence, follow it.

28. Why does my bottom cover remain attached after removing the screws?

It may still be held by plastic clips, hidden screws or captive screws.

29. Should I force the bottom cover open?

No. Recheck the service procedure, screws and clips before applying additional force.

30. Are laptop screws universal between Dell, HP, Lenovo, ASUS and Acer?

No. Even different models from the same manufacturer can use different screws.

Important Safety Note

Laptop batteries, especially lithium-ion and lithium-polymer batteries, can be hazardous if punctured, crushed or otherwise damaged.

Never force a long screw into an uncertain mounting position, particularly near the battery.

If you are unsure of a screw's correct location or specification, consult the manufacturer's service documentation or an experienced laptop repair technician before proceeding.

Conclusion

Laptop screws are precision fasteners and should not be treated as interchangeable pieces of hardware.

A professional repair requires identifying the correct:

thread diameter, length, thread type, head shape, drive type and installation location.

The safest rule is simple:

Remove → identify → organize → reinstall in the same position.

Taking photographs during disassembly, using a screw organizer and selecting the correct precision screwdriver can prevent stripped screws, broken threads, damaged laptop housings and expensive internal component damage.

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