How to fix blue screen on laptop: complete guide to fix BSOD

Why does a blue screen appear and what to do about it

Blue screen of death (BSOD) is a critical Windows error that blocks the system and displays an error code on the screen. In 90% of cases, the problem occurs due to driver failures, hardware conflicts, or damaged system files. Laptops ASUS, Lenovo, HP And Acer are especially vulnerable to BSOD due to the nature of their firmware and pre-installed software.

The main difficulty is 78% of users try to restart their laptop using the power button, which in 30% of cases leads to file system damage and complicates recovery. This article will help you understand the reasons, decipher the error code and choose the best way to resolve the problem without contacting a service center.

Decoding BSOD error codes: what do the numbers on the screen mean

Each blue screen contains a unique stop code (For example, CRITICAL_PROCESS_DIED or IRQL_NOT_LESS_OR_EQUAL), which indicates a specific problem. Here are the most common codes and their meaning:

Error code	Reason	Probable Solution
0x0000007B	Problems with the bootloader or file system	Disk check chkdsk /f or bootloader recovery
0x000000D1	Driver conflict (often network or video card)	Driver rollback or update via Device Manager
0x00000050	Incompatible hardware or damaged memory	RAM test memtest86 or replacing planks
0x0000003B	Damage to system files or virus infection	Scan sfc /scannow or antivirus scan
0x0000001E	CPU error or incorrect BIOS settings	Reset BIOS or update firmware

If the screen displays a code starting with 0x000000ED, this indicates problems with the hard drive. In this case, you must immediately back up your data as the drive may fail within 24-48 hours.

⚠️ Attention: Error codes 0x0000007A And 0x000000F4 often appear when using SSDs with outdated firmware. Update the drive firmware using the manufacturer's utility (Samsung Magician, Crucial Storage Executive).

First actions when BSOD appears: emergency measures algorithm

When the laptop shows a blue screen, follow this procedure:

• 🔄 Reboot — press and hold the power button for 10-15 seconds. If the system boots, immediately create a restore point via Control Panel → Recovery.
• 🔍 Log check - after reboot, open Event View → Windows Logs → System and find the entry with the error.
• 💾 Data backup - connect an external drive and copy important files from your desktop and folder Documents.
• 🛠️ Diagnostics - run the built-in utility msdt.exe -id DeviceDiagnostic to check equipment.

If the laptop does not boot even after rebooting, proceed to the next section for recovery methods.

System recovery methods without data loss

When Windows won't boot, use these methods:

1. Safe Mode with Networking

When turning on the laptop, hold Shift + F8 (for Windows 10/11) or F8 (for Windows 7). From the menu, select Safe mode with loading network drivers. In this mode:

• 🔄 Roll back drivers via Device Manager (right click on device → Properties → Driver → Roll Back)
• 🧹 Uninstall recently installed programs via Control Panel → Programs and Features
• 🛡️ Start scanning sfc /scannow in command line as administrator

2. Recovery through a rollback point

If the system created restore points:

1. Boot from the Windows installation flash drive
2. Select System Restore → Diagnostics → Advanced Options → System Restore
3. Select a point created before the BSOD appeared

⚠️ Attention: On laptops Dell Latitude And HP EliteBook recovery via BIOS may be blocked by security policies. In this case, you need to disable Secure Boot in BIOS settings.

What to do if there are no restore points?

If there are no restore points, try manually restoring the registry. To do this, boot from a LiveCD (for example, Hiren's BootCD), copy files from C:\Windows\System32\config\RegBack in C:\Windows\System32\config and reboot. This method only works if the system registry keys are damaged and not the physical disk.

Hardware Check: How to Identify Hardware Problems

If software methods do not help, the BSOD may be caused by faulty hardware. Run these tests:

1. Diagnostics of RAM

Download the utility MemTest86 and create a bootable USB flash drive. Run the test for 4-8 passes. If errors appear:

• 🔄 Move the RAM sticks to other slots
• 🧹 Clean contacts with eraser
• 🛠️ Replace the faulty module

2. Checking the hard drive/SSD

Use the manufacturer's utilities:

• 💾 For HDD: Victoria or HDDScan (SMART test and surface scan)
• ⚡ For SSD: CrystalDiskInfo (check indicator Reallocated Sectors Count)

chkdsk C: /f /r /x

This command checks and repairs bad sectors. Run it from the command line in recovery mode.

Updating BIOS and drivers: when it really helps

Outdated firmware and drivers cause up to 40% of all BSODs. Update them using this algorithm:

1. BIOS update

For laptops Lenovo And HP:

1. Download the latest BIOS from the official website
2. Unpack the archive and run .exe-file from Windows
3. Follow the Upgrade Wizard instructions

For ASUS And Acer BIOS update required:

1. Copy the firmware to the USB flash drive in the format FAT32
2. Boot into BIOS (usually F2 or Del)
3. Select EZ Flash or BIOS Update

2. Update drivers

Use Driver Booster or official utilities:

• 🎮 For video cards NVIDIA/AMD: GeForce Experience/Adrenalin
• 🔊 For sound Realtek: Realtek Audio Console
• 🌐 For Wi-Fi Intel/Qualcomm: Driver & Support Assistant

⚠️ Attention: On laptops with hybrid graphics (NVIDIA Optimus, AMD Switchable) update the drivers for the integrated video adapter first (Intel UHD), then for discrete. Otherwise, there may be a conflict leading to the code 0x00000116.

When is Windows reinstallation required and how to save data

If all methods have been tried, and BSOD appears regularly, the only option left is to reinstall the system. Prepare for the procedure:

1. Data saving

Connect the hard drive to another computer via USB-SATA adapter or use LiveCD:

• 📁 Copy folders Users, Desk, Documents
• 🔑 Export passwords from browsers via chrome://flags/#password-export
• 🎮 Save game files from Steam\steamapps\common And AppData\Roaming

2. Clean installation of Windows

Create an installation flash drive using Media Creation Tool and:

1. Boot from the flash drive (F12 or Esc to select device)
2. Delete all partitions on the system disk
3. Select the unmarked area and click Next

After installation, immediately update the drivers in the order: chipset → video → sound → network → others.

FAQ: Answers to frequently asked questions about blue screen

Is it possible to replace the RAM yourself if MemTest shows errors?

Yes, but consider the limitations of your model. For example, in Lenovo ThinkPad T480 up to 32GB supported DDR4-2400, and in HP Pavilion 15 - only 16GB DDR4-2133. Please check compatibility via Crucial System Scanner or official documentation.

BSOD only appears when connected to Wi-Fi. What's the problem?

Most likely there is a network card driver conflict. Disable automatic driver updates via gpedit.msc → Computer Configuration → Administrative Templates → System → Device Installation → Restrict Installation and manually install the driver from the laptop manufacturer's website.

The laptop goes into BSOD when launching games. What to check first?

Start with a video card test (FurMark or 3DMark) and temperature monitoring (HWMonitor). If the GPU temperature exceeds 85°C, the cooling system needs to be cleaned. Also check the version DirectX team dxdiag - modern games require version 12.

After updating Windows, I started getting constant blue screens. How to roll back?

Within 10 days after the update, you can return the previous version via Settings → Update & Security → Recovery → Revert to previous version. If this item is missing, use a restore point or a clean install with automatic updates turned off via services.msc → Windows Update → Startup type: Disabled.

BSOD code 0x000000EA - what does it mean and how to fix it?

This error is related to the graphics driver. To fix it: 1) Uninstall the current driver via Display Driver Uninstaller (DDU) in safe mode; 2) Install a driver version 1-2 releases older than the current one (download from the website NVIDIA/AMD); 3) Disable GPU overclocking in MSI Afterburner or Radeon Software.