You pressed the power button, and the screen lights up only after 5-10 minutes - or worse, the system “hangs” on the logo Windows/macOS indefinitely? Slow startup of a laptop is one of the most annoying problems that not only wastes time, but also signals serious problems. In 80% of cases they are to blame registry clogged with startup, dying drive or conflicting drivers, but sometimes the root of evil lies deeper - right down to hardware wear of the BIOS/UEFI chip on the motherboard.

In this article we will look at all possible reasons - from banal (too many programs in startup) to exotic (damaged microcircuit SPI-flash with BIOS firmware). You will learn how diagnose the problem in 10 minutes, what tools use to speed up loading, and when it’s time to take the laptop to a service center. Let us separately dwell on the nuances for Windows 10/11 And macOS, and also give emergency checklistwhen the system does not start at all.

1. Diagnostics: how to understand what exactly is slowing down the download

Before treatment, a diagnosis must be made. Slow startup may be caused by software or hardware problems - and the methods for eliminating them are radically different. Here's how to determine the root of evil:

On Windows open Task Manager (Ctrl+Shift+Esc), go to the tab Autoload and see how many programs run with the system. If there are more 10-15, this is already a reason for optimization. For in-depth diagnostics, use the utility msconfig:

Win + R → введите msconfig → вкладка "Загрузка" → "Дополнительные параметры"

Pay attention to the parameter Time out - if it is installed on 30+ seconds, the system will “think” before choosing an OS (relevant for multiboot configurations). On macOS check System Preferences → General → Login Items — unnecessary background processes are often hidden here.

📊 How long ago did your laptop start running slowly?
  • Less than a month
  • 1-6 months
  • More than six months
  • Always been slow
  • 🔍 Test 1: Record the time from pressing the power button until the desktop appears. If Windows/macOS logo appears quickly, but then the system hangs - the problem is software.
  • Test 2: Disconnect all peripheral devices (flash drives, external hard drives, printers). If the download speeds up, it's your fault driver conflict.
  • 💾 Test 3: Listen to the laptop during startup. Clicking or grinding noises from the body - a sign dying HDD.
  • 🔄 Test 4: Try booting into Safe Mode (F8 or Shift+Reboot). If everything is fast there, the problem is third party services.
⚠️ Attention: If laptop Acer, Lenovo or Dell older than 5 years it gives an error No Bootable Device after a long period of "reflection", this may indicate drive contact blade — do not try to solve the problem programmatically until you check the physical connection of the SSD/HDD.

2. Software reasons: what slows down the loading of Windows and macOS

In 70% of cases, slow startup is due to system settings, and not with hardware. Let's look at the main “brakes” and ways to eliminate them.

2.1. Autoloading: invisible resource eaters

Each startup program increases startup time by 1-3 seconds. If there are 20-30 of them, the system will boot 5-10 minutes. Particularly critical:

  • 🎮 Game launchers (Steam, Epic Games, Origin) - can add up to 20 seconds to download.
  • 🔒 Antiviruses (Kaspersky, Norton, Avast) - scan the system at startup, increasing the time by 30-60 seconds.
  • ☁️ Cloud services (OneDrive, Google Drive, Dropbox) - synchronizes files in the background.
  • 📊 Monitoring utilities (MSI Afterburner, HWMonitor) - check sensors and load drivers.

How to clean startup:

  1. On Windows: Start → Task Manager → Startup → disable everything except antivirus and drivers.
  2. On macOS: System Preferences → Users and Groups → Login Items.
  3. Use Autoruns from Microsoft for deep cleaning (you can download it on the official website).

☑️ Autoload optimization

Done: 0 / 4

2.2. File system fragmentation and errors

On HDD fragmentation can increase loading times in 2-3 times. Even on SSD (where fragmentation is not critical) file system errors slow down access to data. How to check:

For Windows:

1. Запустите командную строку от имени администратора.

2. Введите: chkdsk C: /f /r (замените C: на ваш системный диск).

3. Подтвердите проверку при следующем запуске (Y + Enter).

4. Перезагрузите ноутбук.

For macOS:

1. Откройте Терминал.

2. Введите: diskutil verifyVolume /

3. Если найдутся ошибки, выполните: diskutil repairVolume /

For HDD defragmentation on Windows use the built-in utility:

1. Откройте Оптимизация дисков (найдите через поиск).

2. Выберите системный диск → Оптимизировать.

⚠️ Attention: Never defragment SSD - this reduces its resource! For SSDs, use the command optimize-volume in PowerShell:
Optimize-Volume -DriveLetter C -DefragAnalysis -Verbose

2.3. Conflicting drivers and updates

After update Windows or macOS Does your laptop take longer to start up? Blame:

  • 🖥️ Incompatible drivers (especially for NVIDIA/AMD video cards).
  • 🔄 Broken updates (For example, Windows Update KB5034441 Loads slow on some HP Pavilion).
  • 🔌 Outdated chipset drivers (relevant for laptops Lenovo ThinkPad And Dell Latitude).

How to fix:

  1. Roll back to the previous driver version:
    Пуск → Диспетчер устройств → Видеоадаптеры → Свойства драйвера → Откатить
  2. Remove the problematic update:
    Панель управления → Программы → Просмотр установленных обновлений → Найдите KBxxxxxxx → Удалить
  3. Download drivers from manufacturer's official website (don't use DriverPack Solution — they often install unnecessary software!).
💡

If after the update Windows 11 laptop Asus or MSI It's taking longer to start up, check your settings Secure Boot in the BIOS - sometimes resetting to factory settings solves the problem.

3. Hardware problems: when the hardware is to blame

If system optimization does not help, the problem lies in hardware. Let's look at the most common malfunctions and their symptoms.

3.1. Dying drive (HDD or SSD)

Symptoms:

  • 🐢 The laptop freezes on the manufacturer’s logo (Lenovo, HP, Acer) or on the screen with a logo Windows/macOS.
  • 🔊Audible extraneous sounds (clicks, grinding) - for HDD.
  • ⚡ The system starts only with 3-5 attempts.

How to check disk health:

Utility For which OS Command/instruction Critical indicators
CrystalDiskInfo Windows Download from the official website, run, see the status Health Status Bad or Caution
🚨 Reallocated Sectors Count > 0
SMART Utility macOS Install from App Store, start scanning Fail in section Overall Health
Victoria HDD Windows (advanced users) Run in mode API, check SMART 🚨 Pending Sectors > 10
🚨 Uncorrectable Errors > 5
Terminal (diskutil) macOS diskutil listdiskutil verifyDisk disk0 ❌ Errors in the section Verification

If the disk dies, the only solution is replacement. For Windows- we recommend laptops SSD with NVMe interface (For example, Samsung 980 Pro or WD Black SN850X), for MacBook - original drives from Apple (or certified analogues from OWC).

What to do if the disk is no longer detected?

If the drive is not visible in the BIOS/UEFI, try:

1. Connect it to another laptop via USB adapter.

2. Warm up hairdryer (only for HDD, not for SSD!) - sometimes it helps to temporarily restore access.

3. Contact a data recovery laboratory (if there is important information on the disk).

3.2. Faulty random access memory (RAM)

Symptoms:

  • 🔄Laptop reboots cyclically at the loading stage.
  • 💥Appears blue screen of death (BSOD) with errors MEMORY_MANAGEMENT or PAGE_FAULT_IN_NONPAGED_AREA.
  • 🐌 The system starts but works unbearably slow even after downloading.

How to check:

  1. Use the built-in utility Windows Memory Diagnostic:
    Win + R → введите mdsched.exe → Перезагрузить и проверить
  2. For in-depth diagnostics, download MemTest86 and write it to a flash drive. Boot from it and run the test on 4+ passes.
  3. If you find any errors, try clean RAM contacts eraser or rearrange the slats to other slots.
⚠️ Attention: On laptops Apple (especially MacBook Pro 2018-2020) RAM soldered into the motherboard. If the tests show errors, the entire board will need to be replaced - this is expensive (from RUB 30,000).

3.3. Problems with the battery or power supply

Few people know, but low battery or faulty power supply may slow down loading. Symptoms:

  • ⚡ The laptop starts normally from the network, but slows down on battery.
  • 🔋 B Windows the inscription is displayed in the tray Plugged in, not charging.
  • 🔌 When charging is connected, the system reboots.

How to check:

  1. Disconnect the battery (if it is removable) and run the laptop from the mains.
  2. Check battery health:
    Для Windows: powercfg /batteryreport → откройте сгенерированный отчёт в браузере.
    

    Для macOS: Удерживайте Option + клик по иконке батареи.

  3. If the battery capacity less than 50% from the original one, replace it.
💡

On laptops Lenovo Legion And ASUS ROG the problem with slow loading is often related to the mode Hybrid Mode in BIOS (switching between integrated and discrete graphics). Disable it if you don't use heavy games.

4. BIOS/UEFI: hidden settings that slow down booting

Settings BIOS/UEFI can both speed up and slow down a lot starting the laptop. Most often problems are caused by:

  • 🔐 Secure Boot — if disabled or configured incorrectly, the system spends time checking signatures.
  • 💾 Legacy Mode (CSM) - outdated compatibility mode that slows down loading from NVMe SSD.
  • 🔄 Fast Boot - if enabled, but conflicts with drivers.
  • 🖥️ Boot Order - if the system searches for the OS on non-existent disks.

How to optimize BIOS/UEFI:

  1. Enter BIOS (usually F2, Del or Esc at startup).
  2. Disable Legacy Support (CSM) - this will speed up loading from NVMe SSD by 20-30%.
  3. Turn on Fast Boot, but if after this the laptop does not start, return the setting back.
  4. Check the boot order: the first place should be system disk (For example, Windows Boot Manager).
  5. Update the BIOS to the latest version (download the firmware from the manufacturer's official website!).

For laptops Dell And HP there are special utilities for updating the BIOS from under Windows:

  • Dell: Dell Update (install from Microsoft Store).
  • HP: HP Support Assistant.
⚠️ Attention: Don't interrupt the BIOS update! If the process is interrupted, the laptop may turn into a “brick”. Before flashing:

☑️ Preparing to update the BIOS

Done: 0 / 4

5. Viruses and malware: hidden “brakes”

Some viruses are specifically slow down loadingto mask your activity. For example:

  • 🕵️ Cryptocurrency miners — they load the processor and disk even at the startup stage.
  • 📂 Rootkits — are introduced into the boot sector and increase the system initialization time.
  • 🔄 Adware — adds dozens of processes to startup.

How to check and clean the system:

  1. Boot into Safe Mode with Networking (F8 or Shift+Reboot).
  2. Run a scan offline antivirus:
    • 🛡️ Kaspersky Virus Removal Tool
    • 🛡️ Dr.Web CureIt!
    • 🛡️ Malwarebytes
  • Check task scheduler for suspicious processes:
    Пуск → Планировщик задач → Библиотека планировщика задач

    Remove tasks with unfamiliar names (for example, UpdateService, SystemOptimizer).

  • Check hosts to redirects:
    C:\Windows\System32\drivers\etc\hosts

    Remove all lines except 127.0.0.1 localhost.

  • If the virus has damaged boot sector, restore it:

    1. Загрузитесь с установочной флешки Windows.
    

    2. Нажмите Shift+F10 (откроется командная строка).

    3. Введите по очереди:

    bootrec /fixmbr bootrec /fixboot bootrec /scanos bootrec /rebuildbcd

    6. Emergency measures: what to do if the laptop does not start at all

    If laptop stuck on logo or doesn't respond press the power button, follow the algorithm:

    6.1. Reset BIOS/UEFI

    Sometimes the BIOS settings get lost and the system cannot detect the boot device. How to reset:

    1. Turn off your laptop.
    2. Disconnect charging and remove the battery (if it is removable).
    3. Press and hold the power button on 30-60 seconds (discharges the capacitors).
    4. If there is CMOS jumper (on older models), move it for 10 seconds.
    5. Turn on the laptop and immediately go to BIOS (F2/Del), then select Load Default Settings.

    6.2. Recovering the Windows bootloader

    If the system does not start, but the BIOS sees the disk:

    1. Create bootable USB flash drive with Windows on another PC (use Media Creation Tool).
    2. Boot from the flash drive, select System Restore.
    3. Go to Troubleshooting → Advanced Options → Startup Repair.
    4. If it doesn't help, run command line and do:
      bootrec /fixmbr
      

      bootrec /fixboot

      bootrec /rebuildbcd

      chkdsk C: /f /r

    6.3. Reinstalling the system (extreme case)

    If all else fails, what remains is clean OS installation. Before this:

    • 🔄 Try it reset Windows without data loss:
      Настройки → Обновление и безопасность → Восстановление → Вернуть компьютер в исходное состояние
    • 💾 Create a backup copy of important files (if the laptop somehow starts).
    • 🔧 For macOS use Recovery Mode (Cmd+R at startup) and select Reinstall macOS.
    ⚠️ Attention: On laptops Apple with chip M1/M2 reinstalling macOS may require confirmation via Apple ID. If you have forgotten your password, recover it in advance!

    7. Prevention: How to avoid slow loading times in the future

    To ensure your laptop always starts quickly:

    • 🧹 Clean startup once a month (use CCleaner or Autoruns).
    • 🔄 Update your drivers once every 3 months (especially for the video card and chipset).
    • 💾 Defragment the HDD once every six months (for SSD - optimize through Optimize-Volume).
    • 🛡️ Use a lightweight antivirus (Windows Defender or Bitdefender enough).
    • 🔋 Monitor your battery health - if the capacity drops below 60%, replace it.
    • 🔐 Don't disable Secure Boot unnecessarily - this protects against rootkits.

    For laptops Windows 11 additionally:

    • 🪟 Disable widgets And background applications in your privacy settings.
    • 🎨 Use dark theme — it reduces the load on the GPU when loading.
    • 🔄 Disable automatic SSD defragmentation (it is meaningless and reduces the life of the drive).
    💡

    Regularly check the health of your SSD using CrystalDiskInfo. If the parameter Total Host Writes exceeds 300 TB for consumer models (For example, Crucial MX500), prepare to replace the drive in the next 6-12 months.

    FAQ: Frequently asked questions about laptop loading slowly

    ❓Laptop Lenovo IdeaPad starts 10 minutes after Windows update. What to do?

    Most likely the problem is conflicting driver. Try:

    1. Roll back to the previous version of the video card driver (Device Manager → Video adapters → Properties → Rollback).
    2. Uninstall the latest update Windows (Control Panel → Programs → View installed updates).
    3. Reset BIOS to factory settings (to Lenovo this often helps).

    If it doesn't help, create a topic on the forum Lenovo indicating the laptop model and BIOS version.

    ❓ On MacBook Pro 2017 After replacing the SSD, the system boots in 5 minutes. What's the matter?

    Probable reasons:

    • 🔧 Wrong disk formatted (must be in APFS for macOS 10.13+).
    • 🔄 Incompatible firmware T2 chip (update via Apple