Windows System
Recovery

1. Check your display connection: Ensure that your display cable is securely connected to both the computer and the monitor. Try using a different cable or connecting the display to another computer to rule out cable or monitor issues.
2. Perform a hard reset: If you're using a laptop, remove the battery and disconnect the AC adapter. Press and hold the power button for about 30 seconds to drain any residual power. Reconnect the AC adapter, insert the battery, and turn on the laptop.
3. Boot into Safe Mode: Restart your computer and press the F8 key (or the appropriate key for your system) before the Windows logo appears. Choose "Safe Mode" from the list of options. If the black screen issue doesn't occur in Safe Mode, it's likely a software or driver issue.
4. Update display drivers: In Safe Mode, open Device Manager and expand the "Display adapters" section. Right-click on your graphics card and select "Update driver." You can also visit your graphics card manufacturer's website to download the latest drivers.
5. Reinstall display drivers: In Device Manager, right-click on your graphics card and select "Uninstall device." Restart your computer, and Windows will automatically reinstall the display driver.
6. Disable integrated graphics (for dedicated graphics card users): In case you have a dedicated graphics card, disabling the integrated graphics in BIOS/UEFI settings might resolve the issue. Access the BIOS/UEFI settings during startup (by pressing the appropriate key, usually F2, F10, or DEL) and locate the option to disable the integrated graphics.
7. Run Windows in low-resolution mode: Restart your computer and press the F8 key (or the appropriate key for your system) before the Windows logo appears. Choose "Enable low-resolution video" from the list of options. If the issue is related to display resolution, this should allow you to access the desktop and adjust the display settings accordingly.

1. Close unresponsive programs: Press Ctrl + Alt + Delete to open the Task Manager, find the unresponsive program, right-click it, and select "End Task."
2. Check for overheating: Ensure your computer is well-ventilated and free of dust. Overheating can cause system freezes. Clean your computer's air vents and fans, and consider using a cooling pad for laptops.
3. Update drivers and software: Outdated drivers and software can cause system freezes. Make sure all your drivers and software are up-to-date.
4. Boot into Safe Mode: Restart your computer and press the F8 key (or the appropriate key for your system) before the Windows logo appears. Choose "Safe Mode" from the list of options. If the freeze issue doesn't occur in Safe Mode, it's likely a software or driver issue.
5. Run a virus scan: System freezes can be caused by malware. Run a thorough virus scan using a reliable antivirus program.
6. Disable unnecessary startup programs: Press Ctrl + Shift + Esc to open the Task Manager, go to the "Startup" tab, right-click on unnecessary programs, and select "Disable." This will prevent them from automatically starting when your computer boots up.
7. Check disk for errors: Open File Explorer, right-click on your main drive (usually C:), select "Properties," go to the "Tools" tab, and click on "Check" under "Error checking." This will scan your hard drive for errors that could cause system freezes.
8. Free up disk space: Ensure your hard drive has enough free space. Delete unnecessary files, empty the Recycle Bin, and use the Disk Cleanup utility to remove temporary files and system files.
9. Check RAM usage: Press Ctrl + Shift + Esc to open the Task Manager and go to the "Performance" tab. Monitor your RAM usage, and if it's consistently high, you may need to upgrade your RAM or close memory-intensive programs.

1. Check for overheating: Random reboots can be caused by overheating. Ensure your computer is well-ventilated and free of dust. Clean your computer's air vents and fans, and consider using a cooling pad for laptops.
2. Update drivers and software: Outdated drivers and software can cause random reboots. Make sure all your drivers and software are up-to-date.
3. Run Windows Update: Make sure your operating system is up-to-date by running Windows Update. This can help fix any known bugs or compatibility issues that may cause random reboots.
4. Scan for malware: Malware can cause random reboots in some cases. Run a thorough scan of your computer using a reliable antivirus program to ensure your system is free from malware.
5. Disable automatic restart: Right-click on "This PC" (or "My Computer") and select "Properties." Click on "Advanced System Settings," go to the "Advanced" tab, and click on "Settings" under "Startup and Recovery." Uncheck "Automatically restart" under "System failure" and click "OK." This will prevent your computer from automatically restarting when a problem occurs, allowing you to see any error messages.
6. Check the Event Viewer: Press Windows key + X and select "Event Viewer." Look for any critical errors that might indicate the cause of the random reboots. This can help you narrow down the issue and find a suitable solution.
7. Check hardware connections: Ensure that all internal and external hardware components are properly connected. Loose connections can cause random reboots.
8. Test RAM: Faulty RAM can cause random reboots. Run the Windows Memory Diagnostic tool to check for errors. Press Windows key + R, type "mdsched.exe" and press Enter. Follow the on-screen instructions to run the test.
9. Check power supply: A failing power supply can cause random reboots. If you have a desktop, try using a different power supply to see if the problem persists. If you have a laptop, try using a different power adapter or running on battery power to see if the issue continues.
10. Update BIOS/UEFI: Updating your computer's BIOS or UEFI firmware can help resolve compatibility and stability issues that may cause random reboots. Visit your computer or motherboard manufacturer's website for instructions on updating the BIOS/UEFI.

1. Check hardware connections: Ensure that all internal and external hardware components are properly connected. Loose connections can cause boot issues, especially for desktop computers.
2. Check power supply: Make sure your computer is receiving sufficient power from the power supply or adapter. For desktop computers, try using a different power supply. For laptops, try using a different power adapter or running on battery power.
3. Perform a hard reset: If you're using a laptop, remove the battery and disconnect the AC adapter. Press and hold the power button for about 30 seconds to drain any residual power. Reconnect the AC adapter, insert the battery, and turn on the laptop.
4. Use Startup Repair: If your computer is running Windows 7 or later, you can use the built-in Startup Repair tool to fix boot issues. Restart your computer and press the F8 key (or the appropriate key for your system) before the Windows logo appears. Choose "Repair Your Computer" from the list of options and follow the on-screen instructions to run Startup Repair.
5. Boot into Safe Mode: Restart your computer and press the F8 key (or the appropriate key for your system) before the Windows logo appears. Choose "Safe Mode" from the list of options. If your computer boots successfully in Safe Mode, the issue may be related to a software or driver problem.
6. Check boot order: Access your computer's BIOS/UEFI settings during startup (by pressing the appropriate key, usually F2, F10, or DEL) and ensure that your primary hard drive is set as the first boot device.
7. Run System Restore: If your computer can boot into Safe Mode, try performing a System Restore to revert your system to a previous state before the boot issue occurred.
8. Repair Master Boot Record (MBR): Boot your computer from a Windows installation disc or USB drive, and follow these steps:
a. Choose your language and click "Next."
b. Click on "Repair your computer."
c. Select the operating system and click "Next."
d. Click on "Command Prompt."
e. Type "bootrec /fixmbr" and press Enter.
f. Type "bootrec /fixboot" and press Enter.
g. Type "bootrec /scanos" and press Enter.
h. Type "bootrec /rebuildbcd" and press Enter.
i. Close the Command Prompt and restart your computer.
9. Check for hardware issues: Faulty hardware components, such as RAM, hard drive, or graphics card, can cause boot issues. Check for any signs of failure or physical damage. You can also use built-in diagnostic tools, like Windows Memory Diagnostic, to test your hardware.

1. Restart your computer: Sometimes, a simple restart can help resolve performance issues.
2. Update Windows and device drivers: Make sure your computer is up to date with the latest Windows updates and device driver updates.
3. Check for malware: Use Windows Defender or a third-party antivirus program to scan your computer for malware, which can cause performance issues.
4. Optimize your hard drive: Use the built-in Disk Cleanup tool to remove unnecessary files and free up space on your hard drive. You can also defragment your hard drive using the Optimize Drives tool.
5. Disable unnecessary startup programs: Some programs are set to start automatically when your computer boots up, which can slow down your system. Open Task Manager, go to the Startup tab, and disable any programs that you don't need to start automatically.
6. Adjust your power settings: Change your power plan to High performance, which can help improve your computer's performance. Go to Control Panel > Hardware and Sound > Power Options to change your power plan.
7. Adjust your visual effects: Windows includes many visual effects that can slow down your computer. You can adjust these settings by going to Control Panel > System and Security > System > Advanced system settings > Performance Settings, and selecting "Adjust for best performance."
8. Uninstall unnecessary software: Remove any programs you no longer use or need to free up resources. Go to Control Panel > Programs > Programs and Features to uninstall software.
9. Upgrade your computer's hardware: If your computer is old or has low system specifications, consider upgrading the hardware, such as adding more RAM, replacing your hard drive with a solid-state drive (SSD), or upgrading your graphics card.
10. Perform a system reset or clean installation: If all else fails, you can perform a system reset, which will restore your computer to its factory settings, or a clean installation of Windows, which will delete all data and applications from your computer. Make sure to back up your files before doing this.

1. Identify the source of the noise: To determine which component is causing the noise, open your computer case (if it's a desktop) or use your ears to locate the general area of the noise. Common sources of unusual noises include fans, hard drives, and optical drives.
2. Check the fans: Dust and debris can accumulate on the fan blades, causing them to become unbalanced and produce noise. Clean the blades with a soft brush or compressed air. Make sure the fans are functioning properly and not obstructed. If a fan is damaged or malfunctioning, you may need to replace it.
3. Inspect the hard drive: If the noise is coming from your hard drive, it could indicate a failing drive. Backup your data immediately, and consider replacing the drive with a new one. You can also run a diagnostic tool, such as CrystalDiskInfo, to check the health of your hard drive.
4. Examine the optical drive: If the noise is coming from your CD/DVD drive, it could be due to a damaged or dirty disc. Remove the disc and clean it with a soft cloth, or try a different disc to see if the noise persists. If the issue continues, you may need to replace the optical drive.
5. Check for loose components: Loose screws or components can cause vibrations and unusual noises. Ensure that all screws are tightened, and that components such as expansion cards and RAM modules are securely seated.
6. Investigate other hardware: If the noise is still present after checking the common sources, examine other hardware components, such as the power supply or graphics card. If you suspect a component is faulty, consider replacing it.
7. Dampen vibrations: If the noise is due to vibrations in the computer case, you can try using rubber grommets, pads, or foam to dampen the vibrations. Make sure the case is securely closed and sitting on a stable surface.
8. Update drivers and firmware: Sometimes, unusual noises can be caused by software issues. Make sure your device drivers and firmware are up to date.

1. Check your display cables: Ensure that your display cables (HDMI, DisplayPort, VGA, or DVI) are securely connected to your computer and monitor. Try using a different cable or connecting to a different display to rule out cable or monitor issues.
2. Update your graphics drivers: Outdated or corrupted graphics drivers can cause display issues. Visit your graphics card manufacturer's website (NVIDIA, AMD, or Intel) to download and install the latest drivers for your graphics card.
3. Adjust your display settings: Right-click on your desktop and select "Display settings" or "Screen resolution." Make sure your display is set to the recommended resolution and refresh rate. You can also try different scaling settings if text and icons appear too small or too large.
4. Change your graphics settings: Open your graphics control panel (NVIDIA Control Panel, AMD Radeon Settings, or Intel Graphics Control Panel) and adjust the settings to improve performance or visual quality.
5. Check for hardware issues: If you're using a discrete graphics card, make sure it's seated correctly in the PCIe slot and that its power connectors are securely connected. If you suspect a hardware issue, try using a different graphics card or test your graphics card in another computer.
6. Run Windows troubleshooter: Open the Settings app, go to Update & Security > Troubleshoot, and run the "Hardware and Devices" troubleshooter. This can help diagnose and resolve any hardware-related issues.
7. Roll back your graphics drivers: If the issue started after a driver update, you can try rolling back to a previous version of the driver. Open Device Manager, right-click on your graphics card under "Display adapters," select "Properties," go to the "Driver" tab, and click "Roll Back Driver."
8. Reinstall your graphics drivers: Uninstall your graphics drivers using the "Uninstall a program" feature in the Control Panel or by using a Display Driver Uninstaller (DDU). Then, reinstall the latest drivers from your graphics card manufacturer's website.
9. Check for overheating: Overheating can cause display issues. Ensure your computer is well-ventilated, clean any dust from the fans and heat sinks, and monitor your system temperatures using a tool like HWMonitor.