Laptops Acer - one of the most popular devices on the market due to the ratio of price and performance. However, even on top models like Acer Predator Helios 300 or budget Acer Aspire 5 Sooner or later you will run out of free disk space. The system begins to slow down, programs take a long time to open, and a warning about low memory constantly hangs in the tray. Why does this happen and how to effectively clear memory without harming the system?

The problem is not always the number of files. Often guilty temporary files, browser caches, duplicate documents, or even hidden system backups. In this article we will look at 7 working methods - from basic cleaning of the recycle bin to deep optimization using built-in Windows tools and third-party utilities. We will pay special attention to the nuances for laptops Acer with SSD And HDD, since the cleaning approaches for them are different.

1. Diagnostics: why memory runs out on an Acer laptop

Before you start cleaning, you need to understand what exactly takes up space. Windows has a built-in disk space analysis tool, but it doesn't always show the full picture. For example, it may not take into account:

  • 📁 Hidden system files (For example, hiberfil.sys or pagefile.sys), which take up gigabytes;
  • 🗑️ Remains of deleted programs in folders AppData or registry;
  • 🔄 Restore points, which Windows creates automatically;
  • 🌐 Browser cache (especially relevant for Chrome And Edge).

To see the complete structure of the occupied space:

  1. Open Explorer (keys Win + E).
  2. Right click on the drive C: (or another system partition) and select Properties.
  3. Click Disk Cleanup, then - Clean system files.
📊 How often do you clear memory on your laptop?
  • Once a month
  • When space runs out
  • Never cleaned
  • I use automatic cleaning

If the built-in tool does not seem informative enough, use third-party utilities like WinDirStat or TreeSize. They visualize the occupied space in the form of a chart, where you can immediately see which folders or files “eat up” the most memory. For example, in the screenshot below you can see that 18 GB occupies a folder with downloads, and also 12 GB - old game installers:

💡

In laptops Acer With pre-installed Windows, the folder is often found AcerCare at the root of the disk C:. She weighs up to 500 MB and contains diagnostic utilities that can be safely removed if you do not use the brand's service center.

2. Emptying temporary files and recycle bin: a quick way to free up 5–15 GB

The simplest and safest method is removal temporary files and emptying the trash. This data is not critical for system operation, but can take up to 10–15 GB on laptops that have not been cleaned for a long time.

How to do it:

  1. Cart: Right-click the trash can icon on your desktop and select Empty Trash.
  2. Windows temporary files:
    Нажмите Win + R → введите %temp% → выделите все файлы (Ctrl + A) → удалите (Shift + Delete).
  3. Browser cache:
    • 🌍 Google Chrome: Settings → Privacy → Clear history → Select "Cookies and other site data".
    • 🦊 Mozilla Firefox: Settings → Privacy → Clear data → Check the "Cache" box.
    • 🅱️ Microsoft Edge: Settings → Privacy → Clear browsing data.

On laptops Acer with SSD It is especially important to clear the cache regularly, as it will shorten the life of the drive due to unnecessary write cycles. For example, in the model Acer Swift 3 with 256 GB SSD Browser cache can take up to 3–5 GB, which is critical with a small disk volume.

Empty Trash|Delete temporary files (%temp%)|Clear browser cache|Delete downloads older than 3 months|Check your Downloads folder for duplicates-->

3. Removing unnecessary programs and “junk” Acer utilities

Laptop manufacturers including Acer, often preinstalled unnecessary software (so-called bloatware). These could be trial versions of antiviruses, games from WildTangent, utilities like Acer Quick Access or Acer Collection. Such programs not only take up space, but also load the processor in the background.

How to remove unnecessary programs:

  1. Open Windows Settings → Applications → Apps and features.
  2. Sort the list by size (click on a column Size).
  3. Remove programs you don't use. Pay special attention to:
    • 🛡️ Antiviruses (if you already have another one, for example, Kaspersky or Bitdefender);
    • 🎮 Games from WildTangent or King (they weigh 500 MB–1 GB each);
    • 📊 Utilities Acer (For example, Acer JumpStart or Acer Portal).

Some programs cannot be removed in the standard way. In this case, the utility will help Revo Uninstaller or Geek Uninstallerthat clean residual files in the registry and folders AppData.

Which Acer programs can be removed safely?

Safe to delete:

- Acer Collection (app store)

- Acer Quick Access (hot keys)

- Acer Care Center (if you do not use diagnostics)

- WildTangent Games (game client)

- Norton Security Trial (trial antivirus)

Do not delete:

- Acer Power Management (power management)

- Acer BIOS Setup (utilities for updating BIOS)

- Dolby Audio (sound driver)

4. Disk Cleanup Using Built-in Windows Tools

Windows has a powerful deep cleaning tool - Disk Cleanup (Disk Cleanup). It removes old updates, memory dumps, temporary installation files and other unnecessary data. On laptops Acer with Windows 10/11 this tool allows you to free up to 20–30 GB.

Step by step instructions:

  1. Open This computer, right click on the disk C: and select Properties.
  2. Click Disk Cleanup, then - Clean system files (administrator rights required).
  3. In the window that appears, check the boxes:
    • 🗃️ Downloaded program files;
    • 🗑️ Temporary Internet files;
    • 🔄 Previous Windows installations (can weigh up to 20 GB!);
    • 📦 Delivery optimization files;
    • 🗂️ Sketches.
  • Click OK and confirm the deletion.
  • For Windows 11 There is another useful tool - Storage (Settings → System → Memory). Here you can enable the function Memory control, which automatically deletes unnecessary files when disk space runs out.

    File type What is this? How much space does it take Is it possible to delete?
    Previous Windows installations Old version of Windows after update 15–25 GB Yes, if the system is stable
    Memory dump files System error reports 1–5 GB Yes
    Temporary installation files Remains after installing programs 500 MB–2 GB Yes
    Sketches Image and video thumbnails 200–800 MB Yes
    💡

    If you have a laptop Acer with SSD for 128–256 GB, clean the folder regularly Windows.old (old version of Windows) and disable hibernation (powercfg /h off on the command line). This will free up 10–15 GB.

    5. Storage optimization: recovery points, hibernation and file collapse

    Windows creates restore points and backups that take up tens of gigabytes over time. There may also be a hibernation file on the disk hiberfil.sys, which is equal in size to the amount of RAM (for example, 8–16 GB on laptops Acer Nitro 5 or Acer Predator).

    How to optimize:

    • 🔙 Restore points:
      1. Open Control Panel → Recovery → Set up system recovery.
      2. Select drive C: and press Customize.
      3. Move the slider to 1–2 GB or disable protection (not recommended).
  • 💤 Hibernation file:
    Запустите командную строку от имени администратора и введите:
    

    powercfg /h off

    This will delete the file hiberfil.sys, but will disable hibernation mode. If you use it, it's best to leave it.

  • 🗜️ File compression:

    Windows supports the feature CompactOS, which compresses system files without losing performance. Enter at the command line:

    compact /compactOS:always
  • On laptops Acer with eMMC drives (for example, in Acer Aspire 1 or Acer Chromebook) It is not recommended to disable hibernation - this may result in a slower recovery from sleep mode.

    6. Deep Clean: Manually Remove Hidden Files and Folders

    Some files are not visible in standard Explorer, but occupy gigabytes. We are talking about:

    • 📂 Folder AppData (hidden program settings);
    • 🗃️ Folder ProgramData (general data for all users);
    • 🔍 Folder Windows\SoftwareDistribution (Windows update cache);
    • 🖼️ Folder Windows\Temp (temporary system files).

    How to clean them:

    1. Enable showing hidden files:
      Проводник → Вид → Показать → Скрытые элементы
    2. Delete the contents of the folders:
      • C:\Users\Your_username\AppData\Local\Temp;
      • C:\Windows\Temp;
      • C:\Windows\SoftwareDistribution\Download (downloaded updates are stored here).
  • For cleaning SoftwareDistribution first stop the update service:
    services.msc → Найдите "Центр обновления Windows" → Остановите службу
  • On laptops Acer with Windows 10 in a folder ProgramData files are often left behind Acer Care Center or Acer Quick Access, even after uninstalling programs. They can be safely removed manually.

    What should I do if the folder is not emptied?

    If when deleting files from Temp or SoftwareDistribution "File in use" error appears, follow these steps:

    1. Reboot your laptop into safe mode (click F8 when loading or use msconfig).

    2. Try uninstalling again.

    3. If it doesn’t help, use the utility Unlocker for forced removal.

    7. Resetting Windows or reinstalling: extreme measures

    If laptop Acer has become unbearably slow, and there is less free space left 10% depending on the disk capacity, it might be time to consider Windows reset or a complete reinstallation. This is a radical method, but it is guaranteed to free up space and return the system to performance.

    How to reset Windows without losing data:

    1. Open Settings → Update & Security → Recovery.
    2. Click Start under the item Restore your computer to its original state.
    3. Select Save my files (will remove programs and settings, but leave documents).
    4. Follow the onscreen instructions (it will take about 30–60 minutes).

    For laptops Acer with pre-installed Windows there is another option - recovery via Acer Recovery Management:

    1. Launch the utility from the menu Start (or click Alt + F10 when loading).
    2. Select Restoring factory settings.
    3. Follow the instructions (all data will be erased!).

    Important: Before resetting, back up your important files to an external drive or to the cloud. Also, prepare a bootable Windows USB flash drive in case of failure.

    💡

    On laptops Acer with BIOS InsydeH2O (For example, Acer Aspire E15) to restore via Alt + F10 may need to be disabled first Secure Boot in BIOS settings.

    FAQ: Frequently asked questions about clearing memory on Acer laptops

    Is it possible to clear memory on an Acer laptop with an SSD in the same way as on an HDD?

    No, for SSD there are some nuances:

    • Do not use defragmentation (it shortens the lifespan of SSD).
    • Enable the feature TRIM (it automatically clears memory cells). You can check its operation with the command fsutil behavior query DisableDeleteNotify (should return 0).
    • Leave 10–15% free space to extend the life of the drive.
    Why does memory quickly run out again after cleaning?

    Possible reasons:

    • 🔄 Automatic Windows updates (they can download files in the background);
    • 📥 Synchronization with clouds (OneDrive, Google Drive);
    • 🎮 Games and programs, which save the cache (for example, Steam or Battle.net);
    • 📷 Photos and videos, which are automatically downloaded from the phone.

    Solution: Set up automatic cleaning in Settings → System → Memory or use programs like CCleaner for regular cleaning.

    How to clear memory if Acer laptop does not turn on?

    If the system won't boot, try:

    1. Boot from Live CD (For example, Hiren’s BootCD) and manually delete unnecessary files.
    2. Connect the drive to another computer via USB adapter and clean it.
    3. Restore system via Acer Recovery Management (click Alt + F10 when loading).

    If the laptop gives an error No bootable device, the problem may be a damaged boot sector rather than a lack of memory.

    What programs are best to use for cleaning?

    Tested utilities:

    Program What is it suitable for? Free version
    CCleaner Cleaning cache, registry, temporary files Yes
    WinDirStat Visualization of used disk space Yes
    BleachBit Deep cleaning (including Firefox, Chrome, Flash) Yes
    TreeSize Finding the largest folders and files Shareware

    For laptops Acer with Windows 11 built-in will do Memory control, which runs in the background.

    How to clear memory on an Acer laptop with Linux?

    If on your Acer installed Ubuntu, Linux Mint or other OS, use:

    # Очистка кэша пакетов (для Debian/Ubuntu)
    

    sudo apt clean

    # Удаление ненужных пакетов

    sudo apt autoremove

    # Очистка кэша эскизов

    rm -rf ~/.cache/thumbnails/*

    # Поиск крупных файлов (установите ncdu)

    sudo apt install ncdu

    ncdu /

    For cleaning swap-file (analogous to the paging file in Windows) run:

    sudo swapoff -a && swapon -a