Have you ever been completely dismayed by your computer? Does it seem to do unusual things that you can't trace back to any of your actions? Well, you are not alone. This happens to all computer users. In the computer world, unusual things sometimes happen. Here is a list of some weird computer behavior and how to combat it.

Icons disappear

Right-click on any open area of the computer desktop, then chose Arrange Icons By. If your icons have accidently become hidden there will be no checkmark in front of Show Desktop Icons. Just click that option and your icons will reappear.

Unusual windows appear

Windows has a lot of keyboard shortcuts that can be accidently accessed. For instance, when I started this column, I wanted to hit the Shift key and the letter "h" for the word Have. However, my finger slipped and I hit the Ctrl key and the letter "h" instead. A window popped up asking what I wanted to Find and Replace, which is not at all what I intended. If this ever happens you to you can usually just close the pop up window, but occasionally you have to look a little further into what happened. For instance, when working in Microsoft Word, it you accidently hit Ctrl+N, a new window will appear making it look like you just lost your entire document. If you look closely you will be able to figure out that all you have to do is close the new window and the document you were working on will reappear.

If you can't figure out what happened or you get caught in a loop, restarting your computer will usually bring you back to normal.

Lost toolbars

As noted before, an errant key press can cause a problem. This time the culprit is one of the F keys. Accidently pressing the F11 key can make the  toolbars disappear. This is often used as a feature when you want to show something in what they call "full screen mode". If this happens to you, just press F11 again to make the toolbars return.

The toolbar moves

Have you ever had the toolbar that usually appears on the bottom of the screen show up on the side or top of the screen? There is an easy way to get it back where it belongs. Just place your cursor right next to, but not on, the Start button. Then hold the mouse button down and drag the toolbar back where it belongs.

Dramatic slowdown

A dramatic slowdown can mean that your hard disk is filling up. The computer uses the hard disk as sort of a scratch pad when it computes, so when your hard drive starts to fill up, it can slow the computer down significantly. Click on My Computer and highlight the drive called Local Disk (C:). Look at the Details area to see how much space is free. You should have at least 10% of your hard drive free. If you don't, a hard drive cleanup is in order. Delete unnecessary programs and backup old files and photos to an external drive or CD so you can delete them from the hard disk. You can use the Disk Cleanup utility to empty the recycle bin and delete unnecessary temporary files. To access it, click on Start, choose All Programs, then click on System Tools where you will find Disk Cleanup listed. It will walk you through the cleanup. Once your hard disk has more free space, you computer will perk up considerably. You might also consider defragging your computer to speed it up. The Disk Defragmenter utility is in the System Tools area. Remember there are other things like viruses and spyware that can also slow down your computer.

No sound

Sometimes the sound gets muted by mistake. Look at the taskbar at bottom of the screen. In the right hand side you will see a small icon that looks like a speaker. If it has a red X on it, the sound has been muted. Click on the icon, then click to remove the checkmark in front of the word Mute. If you don't see this icon, go to the Control Panel and choose Sounds or Sounds and Audio Devices where you will find a place to uncheck the Mute option. Many laptops and some desktops also have a volume button on the keyboard which you can use to mute and unmute the speaker.

Mouse shutters

If your mouse is hard to control or acting erratic, it may need a cleaning. An optical mouse with a flat bottom just needs a cleaning with a damp cloth. If your mouse has a roller ball on the bottom, remove the ball and clean the rollers inside the mouse with a Q-tip soaked with isopropyl alcohol.

Hope this gets you through some of those weird Windows moments in your life.