To check your progress, click the Start button, type, “This PC,” and click the result. The drive labeled Windows is what Windows 10 will install — make sure you’ve got at least 20 GB free just to be safe. If you recently installed a Windows Update—or you think Windows may have done so in the background without you realizing—it may have caused a conflict that rendered your computer inoperable. It’s annoying, but thankfully, Windows does offer the option to roll back to the previous version, even if you can’t get into Windows itself. You might even try running System Restore to try and get your PC back to the last known working configuration.
- Hardware Issues – Faulty hardware in your PC could be the cause of the blue screen.
- This can lead to incompatibility with other parts of the screen, causing the blue screen of death.
- Therefore, you should check your device’s memory for errors and see if your computer may overheat.
- If you are unable to examine hardware, get the help of a technician.
Enter your BIOS when the POST screen appears, usually by pressing Delete, F2, or some other key to enter setup. If you’ve tweaked any of these settings in the recent past, try changing them back.
Reboot the PC normally to see if it fixed the problem. If not, you can enter Safe Mode again, or try moving on to one of the next troubleshooting steps in this guide.
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Make sure your Boot Order is set to the correct hard ntdll.dll download drive, your RAM is recognized, and that your CPU isn’t overheating (if it’s above 90 degrees Celsius in the BIOS, something is definitely wrong). You might also turn off the Fast Boot feature, in case a recent Windows Update is conflicting with it. If you’re using a laptop, this may sound silly, but make sure the brightness is turned up.
If you’re getting the Blue Screen of Death at startup, it could be a result of a bad application, driver issue, or other hardware quirk causing problems on boot. If you can, Google the stop code that appears and see if it gives you any insight into what’s wrong. Download the ISO image from this page, and follow the instructions to "burn" it to a USB flash drive. Reboot your computer and access the Boot menu—usually by pressing F11, F12, or some other key defined at startup. Choose your USB drive from the boot menu, and it should boot into Hiren’s live environment.
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Windows 10 runs on a variety of hardware, including Atom-based tablets and other low-power systems, but it does have minimum requirements. Desktop users can often upgrade their RAM or processor, but laptop users who don’t meet the minimum requirements are probably out of luck. Microsoft also offers a list of potential Windows 10 installation error codes and what they mean.
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Inevitably you will forget about the DLLs in \WINDOWS\system32 and struggle to determine why your application is misbehaving or failing to start. Click on the first result, Troubleshooting, and the main window will pop up where you can start troubleshooting computer programs. The main interface is broken down into categories like Programs, Hardware and Sound, Network and Internet and System and Security. Before I show you some of the troubleshooters, let’s see how to get to them in Windows 8.1. First, open the Charms bar by pressing Windows key + C or moving your mouse to the upper or lower right of your screen. Click on Search and then type in troubleshooting in the search box. Although the various signatures and details for each such incident by themselves are probably just baffling, they’re much more useful in the aggregate.
I’ve had multiple people ask me for help with a computer that won’t start, only to find the brightness was turned all the way down causing a black screen. If you’re using a laptop, make sure your charger is plugged in properly and to the correct port—if it charges via USB-C, only some of the USB ports may actually provide power. A failing power supply can often cause boot problems, even if the fans and lights do turn on. So if the troubleshooting steps in this guide fail you, it might be time to replace your power supply. If your computer isn’t turning on at all—no fans are running, no lights are blinking, and nothing appears on screen—you probably have a power issue. Copying DLLs to \WINDOWS\system32 often results in subtle problems later when trying to develop using newer versions of the DLLs.