A Black screen at startup on PC Windows issues can stem either from hardware (cables, monitors, power supplies) or from software (graphics drivers, updates, viruses).
In most cases, you can fix the problem yourself in just a few minutes by following the steps below, starting with the most simple to the most technical.
What is the Black Screen of Death?
L'black screen of death means that your PC starts up but the screen remains blank. The desktop does not bECOMES never visible. It is not not a blue screen (that displays an error code): in this case, you don't see nothing at all, or sometimes just a cursor on a black background.
The moment when the’black screen "appears" helps you identify the source. If you don't see Nothing—not even the logo—it's probably equipment. If the’Black screen at startup appears after the logo or right after you log in to your account; it's probably software.
When I turn on my computer, the screen stays black: possible causes
Understanding the cause helps you choose the right one solution. There are two main categories of hardware issues and software.
The Technical Causes of a Black Screen
In terms of equipment, several components may cause a Black screen on a Windows PC :
- The card chart is broken, not plugged in properly, or its connector is not responding.
- The motherboard's video port is defective, often due to age or a power surge.
- Your external display or your main monitor is dead: test it by connecting on another computer. If it works on another computer, the problem is with the cable or the port.
- A overheating from processor may force the PC to turn off the display to protect itself. A cleaning Sometimes, just adding some fans is enough to fix that.
- The power supply or battery is running low: check the indicator light and the AC power connections. A problem with’food is one of the causes material the most underrated.
- The hard drives Where discs Faulty storage devices can block the loading of Windows and cause a black screen.
Please note: If you have a graphics card Make sure to plug your cable into the dedicated port, not the motherboard's built-in output.
Software Causes of a Black Screen
On the software side, the’black screen of death at Windows most often comes from:
- Regarding the outdated graphics drivers or corrupted after a failed update.
- Regarding the updates Windows improperly installed and blocking the loading from the office.
- A conflict between programs Where apps launched at startup.
- A virus or malware that disrupts the process system.
- A bad configuration of the services Windows after an update.
If theblack screen persists after a simple restart, proceed to solutions detailed below. This screen problem can also occur specifically in black screen on standby : The causes and solutions are slightly different in this case.
Identify the cause of the black screen issue
The first thing to do is simple: make sure your screen is powered on and that its indicator light comes on when you press the power button.
If the light stays on off, you have two options. Either the outlet isn't working, and you need to plug in the computer is somewhere else. Either your screen is broken, and you'll have to get it repaired.
If the indicator light comes on but the’black screen If it persists, the problem is probably the wiring. Try another cable to see if the first one is damaged. You can also connect your PC to a external display : If the image appears on it, then it's definitely your original monitor that's the problem.
On a desktop PC, the beeps emitted at startup help you identify there source of the’error : Their number corresponds to a specific code depending on the motherboard. It is a information Good to know before’carry out other manipulations.
How to Fix a Black Screen on a Windows PC: Step-by-Step Solutions
The solutions The following are listed from the most simple to the most technical. Start at the beginning and stop as soon as the image reappears. Each step may be enough to correct l'a black screen appears.
Step 1: Quick Checks (less than a minute)
Start by forcing a restart. Hold the power button pressed for 4 to 10 seconds According to the manufacturer, until it is completely turned off.
Wait a few seconds, then turn it back on.
Unplug Next all the peripherals useless (USB key, external drives, controller). A defective accessory can cause the Windows startup and cause a black screen. These peripherals sometimes create conflicts with process startup.
You can also try the shortcut Ctrl + Alt + Suppr. If he opens a menu, the display is not completely lost. A simple cursor visible against a black background means that Windows has partially loaded. To check if your display is responding, try a screenshot using the keyboard.
Step 2: Test an external monitor and check the peripherals
Branch One external display on your PC. If the image appears on the screen, the problem is with your monitor or its cable, not the computer. If the’external display remains black as well, the black screen issue is probably software or related to graphics drivers.
Check Next that peripherals internal components are securely in place. On a desktop PC, a graphics card poorly positioned in her location may cause the’a black screen appears every time it starts up. Switch off Sometimes, simply restarting the PC and reinserting the card is enough to solve problems.
Step 3: Check the BIOS/UEFI
If theBlack screen at startup If it appears even before the Windows logo, the BIOS or UEFI may be the cause. Go to To access this menu, you usually press F2, F10 Where Suppr right after turning on the computer.
The exact key depends on your configuration material.
Once you're in the BIOS, check the boot order: your hard disk The main subject must be first option. If another peripheral has priority, Windows won't load, and the’black screen persists. You can also reset Reset the BIOS to its default settings to fix a problem configuration.
A BIOS update can correct of the errors compatibility with your components. Check the manufacturer's website for your motherboard for the resources available. It is a operation Proceed with caution: a failed BIOS update can make the situation worse.
Step 4: Boot into Safe Mode to Fix the Black Screen
If your PC pass the logo but stays on a black screen of death, the culprit is often a driver or a application that crashes. Safe mode loads Windows with as little as components to let you go correct the problem.
On Windows 10 and 11, the key F8 is disabled by default. Here's the method that works:
- Stop loading three times in a row (Press the power button as soon as the logo appears) to start the automatic repair.
- Choose Troubleshooting, then Advanced options.
- Select Startup Settings, then To restart.
- Press the key 4 Where 5 to start Safe Mode.
From the desktop, you can also use Maj + Redémarrer to access directly to this recovery menu. The key MAJ must be held down while you click Restart.
Step 5: Fix the graphics driver using Device Manager
Once in safe mode, open the device manager To do this, right-click the Start menu. Expand the category Graphics Cards. Right-click on your map, then choose one of these options :
- Properties, then Pilot in the’tab corresponding, then Restore the driver if the’black screen appeared after an update.
- Uninstall the device to start fresh. Windows reinstall a basic driver automatically upon restart.
Restart your PC Next. A pilot obsolete or corrupted is one of the most common causes of the’black screen of death. You can also download the last run directly from the manufacturer's website graphics card for the reinstall properly.
If any errors appear in the device manager (yellow exclamation point), write them down: they’ll’help at identify which components are problematic.
Step 6: Check for updates and viruses
While still in safe mode, go to Settings then Windows Update. From updates Unresolved or improperly installed issues can cause conflicts and trigger a Black screen at startup. Install the available patches, then Restart your computer.
Also run a full scan with your antivirus or with Microsoft Defender. A virus or one program A malicious program can hijack the display and lock the desktop. The’antivirus integrated into Windows is a good tool to to remedy against this type of infection without installing any additional software.
If your antivirus detects threats, removes them, and Restart your computer. Then, check that the programs processes launched at startup do not create conflicts : in the task manager, tab Startup, disable the apps useless.
Step 7: Use System Restore
If nothing works, a system restore will fix the problem Windows to a previous state, when everything was working. This is one of the tools the most effective for to remedy has a black screen issue caused by a failed update or installation.
Since the Advanced options from the recovery menu, select System Restore and choose a restore point from before the problem occurred. Your personal files are not affected: only the programs and recent flights have been canceled. This is a solution clean which help in most cases, software.
Step 8: Cleaning the equipment and checking for overheating
A cleaning of the components internal ones can correct a black screen related to overheating. Dust buildup on the fans reduces the cooling of the processor and graphics card. A cleaning A can of compressed air is often all it takes to solve problems thermal.
Also check the condition of the thermal paste on your processor. Dry or missing thermal paste means that the processor heats up too quickly, causing the PC to shut down the display to protect itself. Replacing this thermal paste is a operation simple that can to remedy Has black screens recurring.
Step 9: When to Call in a Professional
If theblack screen persists even on a external display, in safe mode or after a restore, the problem is probably equipment. This could be the graphics card, power supply, severe overheating, or a problem with the hard drives. In that case, it's better to have a technician look at the computer rather than keep trying.
For more advanced operations, the support official of Microsoft offers reliable guides on Safe Mode and recovery: https://support.microsoft.com/fr-fr/windows/options-de-dmarrage-avances-including-safe-mode-b90e7808-80b5-a291-d4b8-1a1af602b617.
How to Avoid Another Black Screen in the Future
Here are a few best practices for you’help at avoid l'a black screen appears in the future.
- Keep your drivers up to date : some outdated graphics drivers are the leading cause of black screens software. Check for updates regularly via the device manager.
- Install Windows updates : THE updates system corrects errors compatibility issues and security vulnerabilities. Restart your computer after each installation to ensure that the patches are properly applied made.
- Monitors the temperature : uses a tool as HWMonitor Where HWiNFO to see your temperature processor and your graphics card. A cleaning regular PC user help to maintain normal temperatures.
- Use antivirus software one virus can corrupt system files and cause a black screen of death. Tone antivirus must be active and up to date at all times in order to avoid this kind of problem.
- Back up your data : In the event of a serious hardware failure, a recent backup help to recover your files without any data loss. It's the best tool against the consequences of a black screen issue serious.
This video shows you 3 methods To back up your PC quickly:
Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)
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