How to fix task manager problem

In this post on Free computer tips, I will tell you how to fix task manager problem.
because of huge variety of virus task manager sometimes stop working, appear and disappear or some times it shows a message like "

Task Manager has been disabled by your administrator

". So If you are facing a problem with task manager then you can fix it just by downloading a light software which will automatically fix the task manager problem.

Repair Task Manager Errors by downloading this software FREE

click here to download

Windows 7 Shortcuts

Free computer tips for windows 7 shortcuts

Most of us are using windows 7 but few of them know  windows 7 shortcut keys, so its good to know some short keys.

 

Windows 7 shortcuts keys

WIN +UP arrow Maximize Window
WIN +DOWN arrow Restore or Minimize Windows
WIN +LEFT arrow Snap window to left
WIN +RIGHT arrow Snap window to right

WIN +SHIFT+LEFT arrow Move current window to left monitor
WIN +SHIFT+RIGHT arrow Move current window to right monitor

WIN +HOME key Minimize all windows

WIN +X Shows windows mobility centre
Win+Shift+left arrow Move current window to the left monitor (with dual monitors)
Win+Shift+right arrow Move current window to the right monitor (with dual monitors)
Win+Home Minimize all but the current window
Win+Space Peek at the desktop
Win+[Plus sign] Zoom in
Win+[Minus sign] Zoom out
Win+P Open the projection menu (generally used for laptops connected to projectors)
Alt+P In Explorer, show/hide the preview pane

Taskbar Modifiers

Alt+F4 Close the active window
Alt+Tab Switch to previous active window
Alt+Esc Cycle through all open windows
Win+Tab Flip 3D [more info]

Ctrl+Win+Tab Persistent Flip 3D
Win+T Cycle through applications on taskbar (showing its live preview)
Win+M Minimize all open windows
Win+Shift+M Undo all window minimization
Win+D Toggle showing the desktop

Win+up arrow Maximize the current window
Win+down arrow If the current window is maximized, restore it; if the current
Win+Shift+left arrow Move current window to the left monitor (with dual monitors)
Win+Shift+right arrow Move current window to the right monitor (with dual monitors)

Win+Home Minimize all but the current window
Win+Space Peek at the desktop
Win+[Plus sign] Zoom in
Win+[Minus sign] Zoom out

Starting Programs

Shift+Click Open a new instance of the program
Ctrl+Click Cycle between windows in a group
Middle Click Open a new instance of the program
Ctrl+Shift+Click Open a new instance of the program as Administrator
Shift+Right-Click Show window menu Managing Windows

Win+1 Open the first program on your Quick Launch bar
Win+2 Open the second program on your Quick Launch bar
Win+n Open the nth program on your Quick Launch bar
Win+U Open the ease of access center
Win+F Open the search window
Win+X Open the Mobility Center
Win+E Open Explorer
Win+R Open the Run window [more info]
Win+B Move focus to notification tray (the right-most portion of the task bar)
Win+P Open the projection menu (generally used for laptops connected to projectors)

Win+Pause Open the System Properties portion from the Control Panel
Ctrl+Shift+Esc Open Windows Task Manager

Win+ right arrow +Enter Shutdown
Win+right arrow + R Restart
Win+ right arrow + S Sleep
Win+ right arrow + W Switch Users
Win+L Locks computer

Viewing Folders With Explorer

Alt+right arrow Go back
Alt+ right arrow Go forward
Alt+up arrow Go up a directory

Alt+D Move focus to address bar
Alt+D, Tab Move focus to search bar

Alt+Enter Open the Properties window of the current selection
Ctrl +Mouse wheel Change the view type (extra large, small, list view, detail, etc.)
Alt+P Show/hide the preview pane

You can also check  Short Keys For Windows

Why USB device not recognized?

Free computer tip for USB

Sometimes it happens that you connect a USB device to your system and it shows "Unknown device". There may be several reasons for showing this.

Virus Infection:
First of all check that you system may not be infected with virus/spy ware/malware/adware because sometimes they also create problem for USB connectivity.

check USB connecting wires:
the front USB ports on your PC case may be misconnected. It's good to check the wire connections of USB port. The correct order of connection is Red, White, Green, and Black. only four wires are required per USB.

Device driver:
If windows is unable to recognize the device, try installing the driver yourself by inserting driver CD or windows CD. sometimes required drivers are not automatically installed on your system.

Power for device:
few devices require extra power to work properly, In this case if the USB is shared then it cannot provide required amount of power and device may not work.

Defective device:
You USB device may be defective. try using it on some other system.