Black task bars

Which operating system ??
Is it for computer background or a program ??..
Make a Black Background White

The desktop appearance of a computer equipped with Microsoft Windows XP, whether PC or laptop, can be customized easily.
Users can change background color, background image, frame color, font size and the arrangement of desktop icons.
Five easy steps how to change the desktop background color from black to white.
Changing Background Color
Right-click the mouse on any open portion (i.e., non-icon) of the desktop, which will open a menu. Select "Properties" at the menu's bottom, which will open the "Display Properties" application.
Click the "Desktop" tab at the application's top.

Click the down arrow next to the "Color" button, and select the white color.


Click the "Apply" button, then click "OK" to close the application.


http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/display_change_background_color.mspx?mfr=true

A white blank screen? That sounds like the virus changed your display settings. Click Ctrl+Alt+Del to get to the task manager. Press and hold the Ctrl key plus the Alt Key then hit the Del key. When the task manager opens up Click File at the upper left corner of the window then select New Task RUN. When the create New Task Window opens type: explorer.exe and hit OK. See if it starts populating your desktop icons and shows the start menu and task bar. If so, the virus changed your settings.

To change your display background click Start/Control Panel and look for Display or Appearance and Personalization. When it opens select the Desktop tab and change the desktop background. Hopefully the white will go away.

You may have to get into Safe Mode to do the above if the virus disabled the Task Manager.

A white blank screen? That sounds like the virus changed your display settings. Click Ctrl+Alt+Del to get to the task manager. Press and hold the Ctrl key plus the Alt Key then hit the Del key. When the task manager opens up Click File at the upper left corner of the window then select New Task RUN. When the create New Task Window opens type: explorer.exe and hit OK. See if it starts populating your desktop icons and shows the start menu and task bar. If so, the virus changed your settings.

To change your display background click Start/Control Panel and look for Display or Appearance and Personalization. When it opens select the Desktop tab and change the desktop background. Hopefully the white will go away.

You may have to get into Safe Mode to do the above if the virus disabled the Task Manager.

Some programs (particularly games) change the screen resolution for the best display. The maximum screen size that can be displayed (completely) is either 1024x600 or 1366x768 depending on the exact model you have.

To change the screen

1. Right click your mouse in the desktop background photo and select "Properties"

2. Left click on the "Settings" tab at the top

3. A little way more than half way down the window you will see the "Screen resolution" slider. I would reduce it to 1024x600 and click the [Apply] button at the bottom of the window.

4. The screen will change, and you will be asked if this is the resolution you want. If it is click yes and click [OK] button to exit.

This should have you fixed up. You can play with this control and see what resolution you like the best.

Ron

Thetime (hour and minutes, AM or PM) displays on your task bar in thelower right-hand corner of your computer screen. Double click on thetime, itself.

Double-clicking on the time will display a pop-up Date and Time properties box. (See next step.)

NOTE: If you pass yourmouse cursor over the time on the task bar, the current date will show whenyour mouse pointer is resting on the time. Tochange the hour, place your mouse cursor on the hour (below the analog clock).Use the up or down arrow to change the hour. To change the minutes, place yourcursor on the minutes and use the up or down arrow to set the correct minutes.You can do the same for the Seconds if you wish to be more exact.
What happens if you don't see a clock displayed on your taskbar? Simplyright-click on the task bar to display a pop-up menu of choices. Select theProperties choice from the menu.

The Taskbar and Start Menu Properties box will display. Click inside the Showthe clock checkbox. Then press the Apply button. This will display the time onyour taskbar (in the lower right-hand corner of the computer screen.)

right click on your empty part on your desktop to bring out shortcut menu in that shortcut menu click the properties to display the properties menu in that properties menu or dialog box goto background when you get there select the kind of background you want after selecting it then click on apply after applying it click on ok. your background wiil change.

Check to see that there are no machine BIOS settings that could affect the monitor. Normally, the bios controls display until the OS takes over. If your XP screen after bootup looks fine, I don't see how you have a problem with your monitor setup under Windows.

^Try going do the display properties again but this time on the Appearance tab.

You will have a dropdown box and select windows xp default.

let me know if it helps

can you see the task bar?
try moving the LCD panel open and cosed and see if there is a short in the LCD ?
to change the back ground .. right click the background and select properties ...select the desktop tab and check if the background option is set to none ...and change it to be something else you like

send me a more detail about your problem ............ok

Dear you have problem to change the wallpaper do this setp
1.right click in desktop and click the proparity option
2. and click the destop option
3.select in any one in background in list
4.click apply and click ok .............