Troubleshooting a Computer Start Up
Computer problems can be frustrating, particularly when you can't determine what exactly the problem is. If you aren't a computer expert, even the simplest of solutions can seem like decoding an ancient mystery. This problem is compounded when the issues arise during start up. Thankfully, for every problem there is a solution. Following are some of the most common start up problems, including power supply, error messages and orphaned files. Please note that the information contained here applies primarily to Windows-based PCs.
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Instructions
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Check the power supply. If you're having trouble getting your PC to turn on at all, the problem may not be with Windows or the software, but rather with the power supply. Check this before moving on any further. Ensure all the cords are firmly plugged in, and that power is flowing both to and from any power strip or surge protector you may be using. If running a laptop from a battery, plug the computer into a power source, as it may be a dead battery problem.
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Use the clean boot utility. If your computer boots, but you are receiving error messages, take note of the message and then start Windows in "clean boot" mode to troubleshoot the issue. To do this, you must download a file from the Microsoft Website called "Guided Help" (see Resources). This program will take you through the steps needed to move into the clean boot mode. Once there, examine the system configuration utility for the program causing the error message. If practical, uncheck the box next to this program so that it does not start upon boot up. This should eliminate the problem.
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Uninstall fractured programs. If you recently deleted a program from your computer, it could leave orphaned files, causing issues upon start up. Your best bet is to fully reinstall the program from the original CD and then use the Add/Remove Programs utility to uninstall it correctly and fully.
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Use last known good configuration. Often, Windows can help solve a start up problem if you allow it to run the last known good configuration rather than the current setup. To do this, press F8 during boot up to access the Windows advanced menu. From there, select the topic that says "use last good configuration." This will restore your computer to the last saved registry and hopefully prevent further start up issues.
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Reinstall Windows. If all else fails, you may wish to save all of your important files and documents to an external hard drive and do a fresh install of Windows from the original CD. This should have come with your computer. Once you have done this, you can reinstall your important programs, being selective as to which ones you really need. This can not only fix your start-up issues, but can free up computer space, making your computer run faster.
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Tips & Warnings
Do not remove files or folders without being completely sure they are expendable
