PC Freezes Up

If your PC freezes Up during startup, or at anytime, you may have to restart it manually, unless your computer freezes after startup repeatedly.

PC Freezes Up or Computer Freezes After StartUp!

Or maybe your computer restarts automatically sometime after Windows begins to load, causing what’s called a windows 7 continuous reboot loop.

When your computer freezes after startup, does it stop at a point where you can move your mouse around but nothing happens?

Or does Windows seem like it’s still trying to start but eventually you have to manually reboot your computer, only to see that once again your PC freezes up (sometimes known as a Windows 7 continuous reboot).

When PC Freezes Up or Computer Freezes After StartUp

First thing I’ll mention… Do NOT be tempted to buy any registry cleaners, they cannot fix this issue – Do Registry Cleaners work?

Restart your computer if you haven’t already done so, at least once since seeing this problem. Many things go on in the background when Windows is starting up. Sometimes things don’t work exactly as they should, especially after Windows has installed updates or there were other major changes to the operating system the last time it was up and running.

A restart might be all Windows needs to fix when a PC freezes up after startup, and get you back on track.

Repair your Windows installation to fix PC Freezes Up issues

A common reason that a computer freezes after startup or it reboots automatically during the Windows start-up process is because one or more important Windows files are damaged or missing. Repairing Windows replaces these important files without removing or changing anything else on your computer.

Note: In Windows 7 and Vista, this is called a Startup Repair. In Windows XP it’s referred to as a Repair Installation.

Start Windows using Last Known Good Configuration

If you’ve just made a change to your computer that you suspect might be the cause of why your computer freezes after startup or your Windows keeps freezing, try starting with the Last Known Good Configuration, as this could help.

Last Known Good Configuration will return many important settings to the states they were in the last time Windows started successfully, hopefully solving this problem and allowing you back in to Windows.

Start Windows in Safe Mode to stop if PC freezes up

Then use System Restore to undo recent changes. If your computer freezes after startup, stops, or you still get the Windows 7 continuous reboots during the startup process, it may be because of damage to a driver, important file, or part of the registry, a System Restore will return all of those things to their last working order which could solve your problem entirely.

Note: Depending on the reason any PC freezes up or isn’t starting, you might not even be able to enter Safe Mode. Luckily, you can also perform a System Restore from System Recovery Options which is available from the Advanced Boot Options menu in Windows 7 and also from your Windows 7 or Windows Vista Setup DVD.

Important: Please know that you will not be able to undo a System Restore if it’s done from Safe Mode or from System Recovery Options. You might not care since you can’t start Windows normally anyway, but it’s something I wanted you to be aware of.

Scan your computer for viruses, again from Safe Mode. A virus or other kind of malware might have caused a serious enough problem that can cause computer freezes after startup and cause Windows to keep from starting properly.

What To Do If Your PC freezes Up or Computer Freezes After StartUp

Clear the CMOS. Clearing the BIOS memory on your motherboard will return the BIOS settings to their factory default levels. A BIOS mis-configuration could be another reason that any computer freezes after startup or during startup.

Important: If clearing the CMOS does fix your Windows startup problem, make sure future changes in BIOS are completed one at a time so if the problem returns, you’ll know which change caused the problem.

Try These Fixes

Replace the CMOS battery if your computer is more than three years old or if it’s been off for an extended amount of time. CMOS batteries are very inexpensive and one that is no longer keeping a charge could certainly be a reason for Windows freezing.

Re-seat everything you can get your hands on. Re-seating will re-establish the various connections inside your computer and is very often a “magic" fix to start-up problems like this, especially reboot loops and freezes after start-up.

Try re-seating the following hardware and then see if Windows will boot properly:

> Re-seat all internal data and power cables

> Re-seat the memory modules

> Re-seat any expansion cards

Note: Unplug and re-attach your keyboard, mouse, and other external devices as well.

Check for causes of electrical shorts inside your computer. An electrical short is often the cause when a PC freezes up.

Test the RAM. If one of your computer’s RAM modules fails completely, your computer won’t even turn on. Most of the time, however, memory fails slowly and will work up to a point. If your system memory is failing, your computer may power on but then your PC freezes after startup, or during the startup process Windows 7 continuous reboot happens.

Replace the memory in your computer if the memory test shows any kind of problem.

Test Your Power Supply

Just because your computer initially turns on does not mean that the power supply is working. While it might not be common for your computer to get all the way to the Windows startup process with a damaged power supply, it does happen and is worth a look. Replace your power supply if your tests show a problem with it.

Replace the hard drive’s data cable. If the cable that connects the hard drive to the motherboard is damaged or not working then you could see all kinds of issues while Windows is loading – including Windows PC freezes up, stops, and reboot loops.

Don’t have a spare hard drive data cable? You can pick one up at any electronics store or you could borrow the one that another drive, like your optical drive, is using, assuming of course that’s it’s the same type of cable. Newer drives use SATA cables and older drives use PATA cables.

Note: A loose hard drive data cable can cause the same issues that a damaged one can but hopefully you checked for connection issues with the cable.

Important: Make sure you’ve tried your best to complete the troubleshooting steps up to this one. Some involve more difficult and destructive solutions when a computer freezes after startup or you’re experiencing the Windows 7 continuous reboot issue during startup.

It may be that one of the below solutions is necessary to fix your problem but if you haven’t been successful in your troubleshooting up to this point, or you’re not sure that one of the easier solutions above is the right one.

Also Test Your Hard-Drive If Having Computer Freezing Startup Issues

A physical problem with your hard drive could be another reason that your PC freezes up or you’re getting the Windows XP, Windows 8 or Windows 7 continuous reboot issue, or it stops in its tracks. A hard drive that can’t read and write information properly, certainly can’t load an operating system correctly. Replace your hard drive if your tests show an issue.

After replacing the hard drive, you’ll need to perform a new installation of Windows. If your hard drive passes your test, the hard drive is physically fine so the cause of the problem must be with Windows itself, in which case the next step should solve the problem.

Reference www.about.com: How Do I Perform a Clean Install of Windows?

This type of installation will completely erase the drive and install Windows again from scratch.

Important: In the steps above, it’s advised that you try to solve issues by repairing Windows. Since that method of fixing important Windows files is non-destructive (preserves your files, documents, photos, music, videos, etc), make certain that you’ve tried those before the completely destructive, last-resort, Windows clean install in this step.

Access the Ultimate PC Tune-Up Members Area for all the best PC performance tools, tips and tweaks… Prevent when any PC freezes up, computer freezes after startup and Windows 7 continuous reboot problems, from ever occurring in the first place.

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