Laptop black screen on startup

Here’s a step-by-step guide to troubleshoot and potentially fix a laptop black screen on startup:
1. Basic Checks
- External Connections: Disconnect all external devices (USBs, external monitors, etc.) to ensure none are causing conflicts.
- Power Supply: Ensure the laptop is plugged into a working outlet. Check if the power adapter and battery are functioning correctly.
- Battery Reset: For removable batteries, take out the battery, press and hold the power button for 30 seconds, then reconnect the battery and power it on.
2. Force Restart
- Press and hold the power button for about 10-15 seconds to force the laptop to shut down. Wait a few seconds, then press the power button again to restart.
3. Brightness Settings
- Sometimes the screen might be dim. Adjust the brightness using the function keys on the keyboard.
4. External Monitor Test
- Connect your laptop to an external monitor to check if the issue is with the display or the internal hardware.
5. Boot in Safe Mode
- Windows:
- Press the power button, and as it boots, press and hold the
Shift
key and repeatedly tapF8
(or another key for Safe Mode depending on your laptop) to enter Safe Mode. - If successful, uninstall recently installed drivers or updates that might have caused the issue.
- Press the power button, and as it boots, press and hold the
- Mac:
- Power on and immediately hold down the
Shift
key until you see the Apple logo.
- Power on and immediately hold down the
6. BIOS/UEFI Settings
- Access the BIOS/UEFI by pressing a key like
F2
,F10
,DEL
, orESC
during startup (varies by manufacturer). - Check if the display output is set correctly or if there are any hardware issues detected.
7. Reset Display Drivers
- Windows:
- Press
Win + Ctrl + Shift + B
to reset the graphics drivers.
- Press
8. System Restore
- If Safe Mode works, perform a system restore to revert to a previous state where the laptop was functioning properly.
9. Update/Reinstall Drivers
- Update the graphics and other critical drivers from the manufacturer’s website.
10. Hardware Issues
- RAM: Reseat or replace the RAM modules.
- Hard Drive/SSD: Check for loose connections or consider replacing the drive if it’s faulty.
11. Professional Help
- If the issue persists, consider taking the laptop to a professional technician for further diagnosis, as it may involve hardware failures like a faulty motherboard, screen, or GPU.
This guide should help you diagnose and fix a laptop with a black screen on startup.
laptop black screen with cursor on startup
If your laptop shows a black screen with a cursor on startup, here’s a step-by-step guide to troubleshoot and fix the issue:
1. Basic Checks
- External Devices: Disconnect any external devices (USB drives, external monitors) to ensure they aren’t causing conflicts.
- Power Reset: Press and hold the power button for about 10-15 seconds to force shut down the laptop. Then restart it.
2. Safe Mode Boot
- Windows:
- Restart the laptop and press
F8
,Shift + F8
, orShift
key while it boots (depending on the system) to access Safe Mode. - In Safe Mode, update or uninstall graphics drivers and check for system updates.
- Restart the laptop and press
- Mac:
- Hold down the
Shift
key immediately after starting the laptop to boot into Safe Mode.
- Hold down the
3. System Restore
- Access Advanced Startup Options:
- Restart the laptop and hold
Shift
while selecting Restart from the power menu. - Navigate to Troubleshoot > Advanced Options > System Restore.
- Choose a restore point when the laptop was functioning correctly.
- Restart the laptop and hold
4. Check Graphics Drivers
- Windows:
- In Safe Mode, press
Win + X
and select Device Manager. - Expand Display Adapters, right-click the graphics driver, and select Update Driver or Uninstall (it will reinstall automatically after reboot).
- In Safe Mode, press
5. Disable Fast Startup
- Windows:
- Boot into Safe Mode.
- Press
Win + X
and select Power Options. - Click Additional power settings, then Choose what the power buttons do.
- Click Change settings that are currently unavailable.
- Uncheck Turn on fast startup, save changes, and restart.
6. Rebuild MBR (Master Boot Record)
- Access Advanced Startup Options and select Command Prompt.
- Enter the following commands one by one, pressing Enter after each:
bootrec /fixmbr bootrec /fixboot bootrec /scanos bootrec /rebuildbcd
- Restart the laptop.
7. Run Startup Repair
- Access Advanced Startup Options > Troubleshoot > Advanced Options > Startup Repair.
- Follow the prompts to let Windows attempt to repair the startup issue.
8. Check and Repair Disk Errors
- From Command Prompt in Advanced Startup Options, type:
chkdsk /f /r
- This checks and repairs any disk errors that might be causing the problem.
9. Create a New User Profile
- In Safe Mode, create a new user account:
- Press
Win + I
> Accounts > Family & other users > Add someone else to this PC. - Restart and log in with the new account.
- Press
10. Reinstall Windows
- If none of the above works, you may need to reinstall Windows.
- Access Advanced Startup Options > Troubleshoot > Reset this PC.
- Choose whether to keep your files or remove everything.
11. Professional Help
- If the issue persists, consider seeking professional help as it might be a hardware-related issue.
This guide should help resolve the black screen with cursor issue on startup.