You should, however, test it just to be sure. Thread starter lee18041990; Start date Jun 15, 2008; L. lee18041990 New Member. Anything else I can try? Retired 7771 6909 449 841 Message 2 of 4 263 Flag Post. There are plenty of reasons why a newly PC won’t start. PC turns on, No signal, keyboard/mouse. Resolving an issue is usually fairly simple, the problem lies in finding it, which usually involves testing different possibilities. The keyboard is the primary mode of input to your computer. You won't see anything on the screen and you may or may not hear beeps coming from the computer before it shuts off by itself. Remove the main battery in the laptop or tablet and try using AC power only. If your computer won't start and you see a blue screen flash or remain on the screen, you're experiencing a Blue Screen of Death and should use the troubleshooting guide above. You can use the one that's powering your monitor (as long as it seems to be getting power), one from another computer, or a new one. If your motherboard has this, and it works to power on your computer, the case power button probably needs to be replaced. Unfortunately, it's also one of the most difficult to troubleshoot. If so. My pc did not turn on again from this point, with video card in or out and everything stripped down to barebones no drives or anything connected. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. You may or may not see the Windows splash screen before the blue screen appears. This is not a very common point of failure, but your PC might not be turning on because the power button isn't properly connected to the motherboard. I've tried checking the BIOS when it's starting up to reset and it's showing that the USB ports are working, however, I can see that no power is going to them. The only symptom is usually the simple fact that "nothing works," which isn't much to go on. Unplug your computer immediately and skip the testing. Then it was working fine. Like in the previous scenario, don't worry about the state your external monitor is in, if you have one. Here are some troubleshooting steps to take when your computer fails to boot correctly. Tim Fisher has 30+ years' professional technology support experience. Appreciate any help. In other words, your music, documents, emails, and videos are probably safe—they're just not accessible at the moment. The DVD drive does light up and open/close with the button. The purpose here is to remove as much hardware as possible while still maintaining your PC's ability to power on. How to enter the BIOS or CMOS setup. The first five steps even apply to other PC operating systems like Linux. Get the Latest Tech News Delivered Every Day, Lifewire uses cookies to provide you with a great user experience. If you're confident that your wall power, power supply, and power button are working, it's likely that there is a problem with your PC's motherboard and it should be replaced. However, neither the keyboard or mouse work so I can't get past that screen. While perfectly doable by anyone with some patience, replacing a motherboard is rarely a quick, easy, or inexpensive task. Yes, it's perfectly fine to run your portable computer without the battery installed. Keyboard Not Working In Windows Setup Or After The First Reboot. If the PC itself is not switching on, check to make sure your monitor cable is securely connected at both ends and plugged into the correct graphics port. Haven’t got another PC to build a USB Boot Pen. No power to keyboard, so i cant format PC. Help me: Why won’t my newly assembled PC start? However, thank you the quick fix. HP Recommended. There is the chance that your PC isn't receiving power because of a serious issue, but it's unlikely. When the PC restarted it came on perfectly fine but I am getting no signal on my monitor and my razer keyboard & mouse aren't coming on or lighting up. There are several possible reasons why a desktop, laptop, or tablet computer might not power on, so it's very important that you step through a complete troubleshooting procedure like the one we've outlined below. After replacement, keep the computer plugged in for 5 minutes before starting so the CMOS battery has time to recharge. Is there anything I can do other than buy a boot USB from eBay? Bottom half with all its components run . 0 Kudos Tags (2) Tags: Archived. Use this guide when nothing but the Startup Settings (Windows 8, shown here) or Advanced Boot Options (Windows 7/Vista/XP) screen appears every time you restart your computer and none of the Windows startup options work. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. Hi all, I came home yesteday to find the computer off. Test your power supply if you're using a desktop PC. Help me: Why won’t my newly assembled PC start? If the input voltage for the power supply unit (PSU) does not match the correct setting for your country, your computer may not power on at all. The AC adapter for a tablet or laptop is the cable that you plug into the wall to charge your battery (it usually has a tiny light on it). Then after a week the same problem has ocurred , I have tried everthing which I done previously but to no avail. Computer won't start after initial boot, but works after restart. Reset your computer. How to Fix It, How to Fix a Computer That Won't Start in Safe Mode, How to Fix Freezing & Other Issues During Windows Startup, How to Fix It When Your PS4 Won't Turn On, How to Manually Test a Power Supply With a Multimeter, How to Fix Problems During the Windows Login Process, How to Fix a Computer Fan That's Loud or Making Noise, The Ultimate Guide to Online Learning at Home, Check for disconnected computer power cable connections, Verify that the power supply voltage switch is set correctly, Remove the main battery in the laptop or tablet, Test the power button on the front of your computer's case, Power button/switch, usually located on the front of a desktop computer's case, or on the top or side of a laptop or tablet, Power switch on the back of the computer, usually just on a desktop, Power switch on the power strip, surge protector, or UPS, if you're using any of them. The hard drive light comes on for about 30 seconds then goes off and nothing happens. Replacing the motherboard is probably the right course of action at this point with a laptop or tablet as well, but motherboards in these types of computers are very rarely user replaceable. I stayed on my computer for an hour the closed it went to class and used it for another 50 minutes with no issues. Aside from straitening a bent pin or cleaning out some dirt, you'll probably need to seek the services of a professional computer repair service to correct any major problems you see here. Christine Baker is a marketing consultant with experience working for a variety of clients. Plug your tablet, laptop, or desktop directly into the wall if it's not already. If the computer won't on because of a power supply problem, the monitor certainly can't display anything from the computer. A loose or unplugged power cable is one of the top reasons why a computer won't turn on. I took everything out , cleaned Motherboard from dust. A new CMOS battery will cost you well under $10 USD and can be picked up just about anywhere that sells batteries. Otherwise it just doesnt work these days. Your files are probably OK. Monitor & keyboard " not powering up " on start up. Power goes on, fans start working but no boot. Your monitor light will likely be amber/yellow if your computer has stopped sending information to it. If your keyboard works normally in BIOS/UEFI setup, but does not work during Windows installation or stops working after first reboot into Windows, then most probable reason is missing USB 3.0 drivers. A bad power cable is not a common cause of a computer not receiving power but it does happen and is very easy to test for. Be sure you've exhausted all of the other troubleshooting advice I've given above before replacing your motherboard. Make sure that you've backed up any files you want to save, then do the following: Open the "Choose an option" menu again by restarting while holding down ⇧ Shift. We'll call out any important differences along the way. Your computer isn't going to turn on if it's not getting power, so you need to make sure that the power source is working properly. A bad AC adapter is a common reason why tablets and laptops won't turn on at all. This indicates the monitor is powered but not receiving any signal. Tim Fisher has 30+ years' professional technology support experience. If the USB keyboard and/or mouse still isn't functioning correctly you may have faulty keyboard and touchpad hardware. Be sure to remove the laptop's internal battery to avoid the risk of shock if you work on this yourself. Before starting a sometimes time-consuming troubleshooting process, make sure you've turned on every power switch and power button involved in your computer system: Check for disconnected computer power cable connections. In these situations, the power lights will stay on, you'll likely hear the fans inside your computer running (assuming it has any), and you may or may not hear one or more beeps coming from the computer. Plug an external keyboard and/or mouse into a free USB slot. Trust us, it'll make you feel better. Did we miss a troubleshooting step that helped you (or might help someone else) fix a computer that's not showing any sign of power. Follow these steps if, when you turn your computer on, it promptly powers back off. Computer shows no sign of power. My computer won’t start and you can see the computer power button flashing.One minute they are fine, and the next thing you know it is basically dead. Check for broken/bent pins and bits of debris that might be preventing the computer from getting power and charging the battery. Some motherboards have tiny power buttons built into the boards themselves, providing an easier way to test the case's power button. Fix Mouse and keyboard not working in Windows 10: Whenever you start your computer the keyboard and mouse stop working at the welcome screen and you don’t know what to do in this situation then don’t worry we will troubleshoot this issue shortly.The problem also occurs if you have recently updated to Windows 10 as the old drivers sometimes become incompatible with the new version of … Most people tend to panic when faced with a computer that won't start, worried that all their precious data is gone forever. If you regularly keep your computer plugged in, but it has wiggled loose and now the battery is empty, your computer may not be getting power for this reason. Thanks. Make sure the power switch is connected to the motherboard if you're using a desktop. … There are many reasons why a computer won't turn on and often very few clues about what might be the problem. If using Start-Up Repair doesn't fix your problem, reinstalling Windows may help. There's no reason to replace a working piece of hardware when testing it is fairly easy. So I was in my bios and I changed my CPU mode offset sign from + to -, I saved the settings and exited. These techniques are applicable no matter what Windows operating system is installed, including Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP. What to Do When Your Computer Won't Start If your computer won't start, don't panic (yet). Faulty keyboard and Touchpad Hardware . This situation is probably the most common in our experience working with computers that won't start. This is a particularly annoying way in which your computer won't turn on because you're trying to use Windows' built-in ways to solve your problem but you're getting nowhere with them. Computer stops or continuously reboots during the POST. I am lost. An ozone smell or very high pitched noise, combined with no power at all in the computer, is an almost certain indication that the power supply is bad. 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