Computer Crashed How to Boot Again
You sit down at your computer, push the power button just like you do every mean solar day, and...nothing happens. Maybe the computer doesn't turn on at all, maybe information technology powers up but shuts right downwardly, or maybe all you get is a blue screen. There's nothing obviously wrong hither, so why won't the calculator just start? Hither are some troubleshooting steps to accept.
Requite It More Ability
(Photo: Zlata Ivleva)
If your computer isn't turning on at all—no fans are running, no lights are blinking, and cypher appears on screen—you probably have a power issue.
Unplug your computer and plug it straight into a wall outlet you know is working, rather than a power strip or bombardment backup that may exist declining. Make sure the power switch on the back of your power supply is flipped on, and if the outlet is connected to a light switch, brand sure that switch is turned on likewise.
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, merely some of the USB ports may actually provide ability. A declining ability supply can oftentimes cause boot bug, even if the fans and lights do plough on. So if the troubleshooting steps in this guide neglect you lot, it might exist time to supplant your power supply.
Check Your Monitor
(Photograph: Zlata Ivleva)
If the computer sounds like it's turning on but you don't see anything on the screen, the computer may be booting and the monitor just isn't showing an prototype. Check to make certain your monitor is plugged in (over again, try a wall outlet instead of a power strip), turned on, and set to the right input using the buttons on the side or bottom.
You'll also desire to brand sure the cable connecting your monitor to your PC hasn't come loose, go damaged, or is at fault. If you tin connect some other figurer to your monitor and get a pic, it may be the cablevision that needs replacing.
If you're using a laptop, this may sound light-headed, only make certain the brightness is turned upwards. I've had multiple people inquire me for aid with a computer that won't get-go, merely to notice the brightness was turned all the way down, causing a black screen.
If these fixes don't help, endeavour plugging your PC into another monitor if you take one—or even a TV—and see if Windows shows up there. If information technology does, your monitor may be dead, and you need to purchase a new ane.
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Listen for the Beep
(Photograph: Michael Sexton)
When your computer boots, it may make a beeping audio—usually a single beep means everything is A-Okay. But if the estimator is having trouble starting up, information technology may brand a series of beeps (kind of like Morse lawmaking) that tell you lot what's incorrect.
Check the manual for your PC (or the PC's motherboard, if you lot built information technology yourself) and effigy out what the beeps mean. If yous don't accept your manual, yous can probably find information technology on the manufacturer'due south website.
If your computer doesn't beep at all, you lot might be out of luck—though some desktop PCs may accept a header on the motherboard where you tin can install a cheap speaker, or even a digital brandish with a numerical code that corresponds to an error message.
Unplug Unnecessary USB Devices
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Before standing, unplug annihilation superfluous from your calculator—webcams, external hard drives, USB headsets. Endeavour booting with just a keyboard and mouse (or even without a keyboard and mouse, if in dire straits) to see if one of your USB devices is causing a conflict.
In some circumstances, it may not even exist the device itself, but the port on your reckoner. I've owned a PC that couldn't get into Windows if something was plugged into the front USB port—once booted, the ports would work fine, but it needed to be empty during the boot process. The more than variables you tin eliminate, the meliorate.
Reseat the Hardware Inside
(Photo: Zlata Ivleva)
There'due south a run a risk a component of your computer has come loose inside the example, specially if it was recently transported somewhere or if you were working inside of it.
If you're comfortable opening your reckoner up, remove the side panel and make sure the components are properly seated in their respective sockets. That includes your RAM, graphics card, motherboard cables, and the CPU heatsink. Remove them completely, then plug them back in, ensuring they click in all the way.
You lot might too endeavour bootingwithout certain hardware, like the graphics card or one of the RAM sticks, in case they're faulty. (And if it doesn't work with one RAM stick, endeavor the other.)
Explore the BIOS
If your estimator turns on and y'all run into the Post screen but can't boot into Windows, certain settings may exist causing a problem. For example, an error stating that your calculator can't observe a bootable operating organization may mean your BIOS is gear up to boot from the wrong bulldoze or your overclocking settings are causing the calculator to bluish screen immediately.
Enter your BIOS when the Postal service screen appears, commonly by pressing Delete, F2, or some other key to enter setup. If you've tweaked whatsoever of these settings recently, try changing them back.
Make certain your Boot Social club is ready to the correct hard drive, your RAM is recognized, and that your CPU isn't overheating (if it's to a higher place xc degrees Celsius in the BIOS, something is definitely incorrect). You might also plow off the Fast Boot feature, in instance a recent Windows Update is conflicting with information technology.
If all else fails, try resetting your BIOS settings across the board using the Load Optimized Defaults choice. But be certain to snap a few photos of your BIOS settings so you can set them back if that doesn't work.
Scan for Viruses Using a Alive CD
It'south possible you take some nasty malware that'southward preventing your computer from booting. Merely with a live environment like Hiren's Boot CD, you can kick your computer from a CD or USB bulldoze and browse your hard drive for malware without booting into Windows.
Download the ISO image from this folio, and follow the instructions to "burn" information technology to a USB flash drive. Reboot your computer and admission the Boot menu—unremarkably by pressing F11, F12, or some other key divers at startup. Choose your USB drive from the boot menu, and it should kick into Hiren's live surroundings.
From there, you can head intoUtilities > Security and run a virus scan with ESET and a malware browse with Malwarebytes. If either plan finds annihilation, it'll let you know and attempt to fix it, which will hopefully permit yous to boot into Windows once again.
Kick Into Safe Mode
(Illustration: Gunay Aliyeva/Getty Images)
If you're getting the Bluish Screen of Death at startup, information technology could be a result of a bad awarding, driver issue, or other hardware quirk causing problems on boot. If yous tin can, Google the end code that appears and see if it gives you any insight into what's wrong.
Chances are, though, you'll have to boot into Safe Mode to set the trouble. This used to be an easy procedure in Windows 7, because all you had to do was printing F8 as you booted up. It is much trickier in Windows 10, but usually if you interrupt the boot process three times—say, past pressing the reset push button as Windows tries to kicking—it'll take you to the Automatic Repair screen, where you lot tin click Advanced Options.
Alternatively, you can create a Windows installation bulldoze using another PC and kick from that straight, choosing your language and selecting Repair Your Estimator when given the option. Either of these methods should somewhen get you to the Cull an Option screen, where you tin can clickTroubleshoot > Advanced Options > Startup Settings and reboot the figurer. (If you lot don't see the Startup Settings option, you may need to click See More Recovery Options along the bottom.)
Your computer should and then requite you the option to boot into Safe Manner, Rubber Fashion with Networking, or Safe Mode with Control Prompt. Yous can effort any of these, though the most minimal Safe Mode is probably your best bet, unless y'all need to access the cyberspace (in which example, cull Safe Mode with Networking). This will load Windows with only the about crucial drivers and services running.
If you installed any new hardware recently, try uninstalling its drivers from Safe Mode. If you call up a new awarding might be to blame, get rid of that too. BlueScreenView can help you expect back through your nearly contempo Blueish Screens of Decease to run across the file that caused the trouble, or any bug check strings and codes to Google.
You might fifty-fifty attempt running System Restore to effort and get your PC dorsum to the concluding known working configuration. Reboot the PC normally to see if information technology fixed the trouble. If not, you can enter Safe Style once more, or effort moving on to one of the adjacent troubleshooting steps in this guide.
Roll Back a Problematic Windows Update
If you recently installed a Windows Update—or you lot think Windows may accept done so in the groundwork without you realizing—information technology may have caused a conflict that rendered your calculator inoperable. It'due south abrasive, just thankfully, Windows does offer the option to roll back to the previous version, even if you lot can't get into Windows itself.
Head back to theTroubleshoot > Advanced Options carte du jour using the instructions above, then choose Uninstall Updates. Endeavor uninstalling the latest Quality Update, or—if you recently tried to upgrade to a new major version of Windows 10—uninstall the latest Characteristic Update. If you're lucky, this may get you lot back into Windows, at which signal yous can delay Windows updates until the kinks are worked out.
Check Your Hard Drive for Corruption
It'southward possible some data on the bulldoze is corrupt, preventing Windows from booting properly. Thankfully, Microsoft has a few tools that tin can effort to set the problem.
Head to theTroubleshoot > Advanced Options carte du jour as described above and choose the Command Prompt. Typesfc /scannow and press Enter. Windows will check your drive for corruption and try to repair any problems.
You can also try thechkdsk C: /r control, which will practice a broader search for file corruption and bad sectors. (If y'all have multiple drives, you may want to runwmic logicaldisk get volumename,name and replace the bulldoze letter with the correct i from the resulting list.)
Repair a Busted Bootloader
Sometimes your Windows installation is fine, but the bootloader—the data that governs Windows' boot process—is corrupted. This often happens if you clone your hard drive improperly, in which case you can endeavour the cloning procedure again, making sure to clone theunabridged bulldoze, not simply the partition where Windows resides.
Information technology tin can besides happen if yous try to dual-kicking Linux or create new drive partitions and mess something up along the mode. Yous'll often get a message saying "Error loading operating arrangement," "Invalid partition table," or "FATA: No bootable medium found! System halted."
If you take a adept backup, you can try to repair the bootloader using Windows' built-in tools by going toTroubleshoot > Advanced Options as described above, then choosing Startup Repair. I wouldn't attempt these steps unless you accept your files backed up, equally messing with partitions tin can e'er risk the loss of information. You can besides run the Command Prompt from this menu and try running one of the following commands:
bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd If that doesn't work, repairing your bootloader may be more complicated due to newer EFI bootloaders—yous can see instructions on doing so hither—but it may be easier and faster to reinstall Windows from scratch and restore from your backup.
Examination the Drive in Another PC and Pray
If all else fails and yous don't have a backup, have your hard drive out of your computer, connect it to a USB adapter, dock, or enclosure, and plug it into another known working PC. (Or, if yous don't have another PC, try booting from a Linux Live CD on your current car.)
Every bit long as the drive is withal working—a big "if"—you'll at least be able to re-create your files onto an external bulldoze for safekeeping before you reinstall Windows or send the PC in for repairs.
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Source: https://www.pcmag.com/how-to/what-to-do-when-computer-wont-start
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