Installing a hard drive instead of a disk drive in a laptop: a complete guide with photos and tips

In the era of streaming services and cloud storage, optical drives in laptops have become a relic of the past. However, many users still operate devices with DVD drives, which take up precious space in the case. Replacing the drive with an additional one HDD or SSD is a popular solution for expanding memory without buying a new laptop.

This modification allows you to increase the storage capacity up to 2 TB or more (depending on the adapter and laptop model), without sacrificing system speed. However, the process requires precision: from choosing a compatible adapter sled until the correct setting BIOS/UEFI. In this article we will look at all the nuances - from selecting components to testing performance after installation.

Why change the drive to a hard drive?

The main reason is lack of space on the system storage. Modern games, 4K videos and projects in Adobe Premiere occupy hundreds of gigabytes, and standard SSD 256–512 GB fill up quickly. Installing a second disk solves the problem without upgrading the main storage.

Other benefits:

• 🔄 Data separation: system on fast SSD, files - on a capacious HDD.
• 💾 Archive storage: Backups, photos and documents are always at hand.
• 🔧 Extending the life of a laptop: relevant for models with non-removable memory (for example, MacBook Pro until 2015).
• 🎮 Game libraries: Storing multiple AAA projects without deleting.

But there are also pitfalls. For example, increase in energy consumption (especially when using HDD instead of SSD) and possible overheating in compact housings. Also, not all laptops support booting from a second disk - it depends on the version BIOS.

Compatibility: Is your laptop eligible for an upgrade?

The first thing to check is drive type. Most laptops come with standard size drives 12.7 mm (full size) or 9.5 mm (ultra-thin). Measure the thickness of your actuator with a caliper or look up the model specifications on the manufacturer's website (for example, Lenovo ThinkPad T480 supports both options).

Key parameters to check:

Pay special attention to laptops with M.2 drives as the main drive. In some models (for example, Dell XPS 13) SATA port from the drive can be disconnected at the circuit level - in this case, the upgrade is impossible without soldering.

⚠️ Attention: Laptops Apple (except models before 2015) and some ultrabooks (HP Spectre, Acer Swift) do not support drive replacement due to proprietary connectors or lack of SATA-port.

Choosing an adapter and hard drive: what to look for

To install a disk instead of a drive, you will need skid adapter (or "optibay"). They come in two types:

• 🔧 Universal - suitable for most laptops (for example, Nifty Drive or ORICO). They have adjustable height.
• 🎯 Model-specific — an exact copy of the original drive for a specific series (for example, for Asus ROG Strix or MSI GE75).

Adapter selection criteria:

• 📏 Thickness: must match the drive (9.5 mm or 12.7 mm).
• 🔌 Interface: SATA III (6 Gbps) for maximum speed.
• 🔄 Hot swap support (if you plan to return the drive occasionally).
• 🛡️ Material: Aluminum is preferable to plastic (it dissipates heat better).

For a hard drive, the recommendations are different:

• 💽 Form factor: only 2.5" (laptop standard).
• 🔋 Thickness: 7 mm or 9.5 mm (check adapter compatibility).
• 🚀 Type:
  • HDD - cheaper, but slower (for example, Seagate Barracuda 2TB).
  • SSD - more expensive, but 5–10 times faster (for example, Samsung 870 EVO 1TB).

Step-by-step installation instructions

Before starting work, prepare the following tools:

• ⚒️ Screwdriver Phillips #0 or T5 (depending on the laptop model).
• 🧲Antistatic wrist strap (or ground yourself by touching the battery).
• 📦 Plastic spatula for separating latches.
• 🔋 External battery (if the laptop does not turn on without a battery).

Next, follow the algorithm:

1. Turn off the power and remove the battery (if it is removable).
2. Remove the bottom cover laptop. In some models (for example, Lenovo Yoga) the drive is secured by a separate panel.
3. Remove the drive:
   • Unscrew the mounting screw(s).
   • Gently pull the drive towards you while holding the latch.
   • Disconnect SATA cable And power cable (if any).
4. Install the disk into the adapter:
   • Secure HDD/SSD in the slide with screws (usually included).
   • Connect SATA cable to disk.

After assembly, turn on the laptop and check if the new disk is detected in BIOS (Boot Menu). If not, double-check the connection SATA cable or update the firmware BIOS.

Setting up the BIOS and operating system

Even if the disk is physically installed, the system may not see it. First go to BIOS/UEFI (usually the key F2, Del or Esc on boot) and follow these steps:

1. Go to section Advanced → SATA Configuration.
2. Make sure the mode AHCI included (not IDE or RAID).
3. Check if the new drive appears in the list of devices.
4. If the disk is not visible, try disconnecting Secure Boot (in section Security).

B Windows:

1. Open Disk management (Win + X → Disk Management).
2. If the disk is displayed as "Unallocated" - create a new volume:
   • RMB on disk → Create a simple volume.
   • Select file system NTFS (or exFAT for compatibility with macOS).
   • Assign a letter (for example, D:).

B Linux (for example Ubuntu):

sudo fdisk -l  # Проверка подключённого диска
sudo mkfs.ext4 /dev/sdX  # Форматирование (замените X на букву диска)
sudo mount /dev/sdX1 /mnt/mydisk  # Монтирование

⚠️ Attention: If after installation the laptop does not turn on or makes beeps, the adapter is probably in conflict with the controller SATA. In this case, try connecting the drive via USB-SATA adapter to check its functionality.

Performance testing and optimization

After installation, check the speed of the disk. To do this, use the utilities:

• 📊 CrystalDiskMark (Windows) - sequential/random read-write test.
• 🐧 hdparm (Linux) - command sudo hdparm -Tt /dev/sdX.
• 🍎 Blackmagic Disk Speed Test (macOS).

Normal indicators:

• HDD: 80–120 MB/s (read/write).
• SATA SSD: 400–550 MB/s.
• NVMe SSD (if adapter supports): 1500–3500 MB/s.

If the speed is lower than expected:

• 🔌 Check if the disk is connected to the port SATA III (not SATA II).
• 🔄 Update storage controller drivers in Device Manager.
• 🛠️ Make sure that BIOS mode enabled AHCI.

To optimize performance HDD on Windows:

1. Disable file indexing on the second drive:
   • RMB on disk → Properties → Allow Indexing (uncheck the box).

wmic diskdrive get name, writecacheenabled
wmic diskdrive set writecacheenabled=1

Common problems and their solutions

Even with proper installation, problems may occur. Let's look at typical scenarios:

If after replacement the laptop becomes loads slower, check the boot priority in BIOS: Sometimes the system tries to boot from a new disk that does not have an OS. Corrected by moving the main one SSD first on the list Boot Order.

Another common mistake is loss of warranty. Most manufacturers (eg. HP or Acer) will void the warranty if modified independently. If the laptop is under warranty, check the conditions at the service center.

FAQ: Answers to popular questions