Laptop Slow? How to Fix a Slow or Hanging Laptop
To fix a slow laptop, start with the free steps: restart it, turn off startup apps, free up disk space, scan for malware and set Windows to its best performance mode. If it is still slow, check for overheating and dust, then look at hardware: moving from a hard disk to an SSD and from 8GB to 16GB RAM fixes most slow laptops. This guide goes through each step in order, explains why a laptop hangs, and helps you decide whether to upgrade or replace it.
Updated 8 November 2026
Laptop hang ho raha hai kya karen? Start with the quick fixes
If your laptop slow chal raha hai or hangs often, try these quick fixes first. They cost nothing and solve many problems.
- Restart properly: choose Restart, not Shut down. On Windows, Shut down with Fast Startup keeps parts of the old session, so a restart clears memory more completely.
- Close what you do not need: open Task Manager (Ctrl + Shift + Esc) and sort by CPU and Memory. A browser with dozens of tabs, a stuck update or a game launcher can eat most of your resources.
- Install updates: Windows Update and the brand's driver tool (HP Support Assistant, Dell SupportAssist, Lenovo Vantage, MyASUS) often fix slowdowns caused by old drivers.
- Check free space: if your C: drive is almost full, Windows slows down badly. Keep at least 15 to 20% free.
Laptop ki RAM kaise clear kare? The simplest answer is a restart and closing heavy apps. RAM cleaner and booster apps are not needed, and some of them slow the laptop down or show adverts.
Fix slow startup: turn off startup apps
A laptop slow startup is usually caused by too many apps launching with Windows. Each one adds a few seconds and keeps running in the background.
- Open Task Manager and go to Startup apps.
- Look at the Startup impact column. Disable anything you do not need the moment Windows starts, such as game launchers, chat apps, updaters and cloud tools you rarely use.
- Keep your antivirus, touchpad and audio drivers enabled.
- In Settings, Apps, Startup, you can do the same with simple on/off switches.
Also check the browser. Many browsers keep running in the background after you close them, and extensions can slow everything down. Remove extensions you do not use. If startup is still slow on a laptop with a hard disk, the disk is the likely cause, and an SSD will fix it more than any setting.
How to clean up a laptop to make it run faster
Cleaning up storage and removing junk helps, especially on older laptops.
- Storage Sense: in Settings, System, Storage, turn on Storage Sense and run Cleanup recommendations. It removes temporary files, old update files and Recycle Bin items.
- Uninstall unused apps: in Settings, Apps, Installed apps, remove trial software, old games and duplicate tools.
- Move big files: shift videos, old projects and downloads to an external drive or cloud storage.
- Malware scan: run a full scan in Windows Security. Cracked software and fake downloads are a common cause of slow, hanging laptops in Pakistan, often through hidden crypto-mining programs that use the CPU all the time.
- Repair Windows files: open Command Prompt as administrator and run sfc /scannow, then DISM /Online /Cleanup-Image /RestoreHealth if errors are found.
If the laptop is still slow after all of this, a clean Windows reset (Settings, System, Recovery, Reset this PC) often makes it feel new again. Back up your files first.
Power mode, charger and heat throttling
A laptop protects itself from heat and low power by slowing down the processor. This is called throttling, and it is a major cause of slowness in hot weather.
- Power mode: in Settings, System, Power and battery, set Power mode to Best performance when plugged in. Brand tools like Lenovo Vantage, MyASUS or Omen Gaming Hub have their own performance modes too.
- Heat: dust-blocked vents and dried thermal paste make the processor run hot and slow down. Using a laptop on a bed, pillow or lap blocks airflow. In summer, use a hard surface or a laptop stand, and have the laptop cleaned once a year.
- Charger: a weak or copy charger does not supply enough power. Many laptops reduce performance with an underpowered adapter, and some Dell and HP models warn about an unknown or low-wattage charger.
To see if throttling is the problem, run HWiNFO and watch CPU temperature and clock speed while the laptop feels slow. Very high temperatures with dropping clock speeds point to heat. Our summer overheating guide goes into more detail on cooling.
Laptop hang kyu ho raha hai? Common causes
Laptop hang kyu ho raha hai, this is one of the most common questions. The usual causes are:
- Hard disk: an old or failing HDD makes everything freeze for seconds at a time. In Task Manager, Disk at 100% for long periods is a strong sign.
- Low RAM: 8GB or less with Windows 11, a browser and Office open is tight. When RAM is full, Windows uses the disk as memory, which is slow.
- Overheating: the laptop slows down, and may freeze or shut down, when it gets too hot.
- Malware or cracked software: hidden programs run in the background.
- Driver problems: a bad graphics or storage driver can cause freezes and blue screens.
- Failing hardware: a dying SSD, faulty RAM or swollen battery. CrystalDiskInfo checks drive health, and Windows Memory Diagnostic tests RAM.
Check these in order: Task Manager first, then temperatures, then drive health. That usually reveals the cause within a few minutes.
Hardware fixes: SSD and RAM upgrades
If the software is clean and the laptop is still slow, hardware is the answer, and two upgrades fix most slow laptops.
- HDD to SSD: the biggest single improvement. Boot time drops from a minute or more to seconds, and apps open almost instantly. Even a basic SATA SSD transforms an old laptop.
- More RAM: going from 4GB or 8GB to 16GB stops the constant slowdowns when many tabs and apps are open. It only works if the RAM is not soldered.
Before buying parts, check your model's RAM slots and drive type in Task Manager and CPU-Z. Our RAM and SSD upgrade guide explains compatibility, and our SSD vs HDD guide explains which drive to choose. Battery health matters too: a worn battery can make some laptops run slower on battery power, so check it with powercfg /batteryreport.
Upgrade or replace an old laptop?
Sometimes upgrades are not worth it. Use this rough guide:
- Upgrade if the processor is Intel 8th Gen or newer (or Ryzen 3000 or newer), the RAM is in slots, and the body, screen and keyboard are in good condition. An SSD and 16GB RAM will give it a few more useful years.
- Replace if it is older than about 8th Gen, the RAM is soldered at 4GB or 8GB, the hinges or screen are failing, or it cannot run Windows 11 officially. Spending on parts for a very old laptop often costs a large share of a better laptop.
- Replace if your work has changed, for example from Office to video editing, gaming or 3D, which needs a stronger processor or a graphics card.
If you decide to replace, a newer box pack business laptop such as an EliteBook, Latitude or ThinkPad offers a big jump for the money. Our generation guide explains which generations are still worth buying, and every Non Custom laptop we sell comes with SSD storage and a 7-day checking warranty.
