Computer info

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Saturday, December 18, 2010

Monitor Troubleshooting

Monitor is blank after restarting system:

1. Check to be sure that the Monitor has power and that the light is on.
2. Disconnect all devices except for the mouse, keyboard and monitor. Reboot your computer to see if the issue is resolved. If it is, then it is one of the devices that you have disconnected that is causing the problem. try connecting them one at a time and rebooting each time until the original problem occurs. Once identified, try reinstalling the device and updating the driver to resolve the issue.
3. Try connecting the monitor to a different PC using the problem monitor's power cable. If it still doesn't work, try the known good monitors power cable.
4. Try unplugging the monitors power cable, then wait about 20 or 30 seconds and plug it back in.
5. If none of the above troubleshooting steps does not solve the issue, then it is likely that the monitor is bad.

After connecting a monitor, the picture looks bad:

1. Start the system in Safe Mode by rebooting the system and pressing the F8 key once per second while it is rebooting. Once you see the Windows Startup menu, select Safe Mode from the listed options. press Enter.
2. Go to Start>> Right click My Computer>> Properties>> Hardware tab>> Device Manager button.
3. Click the plus (+) symbol next to the Monitors entry to expand it.
4. Once expanded, right click on the installed monitor(s) and select Uninstall.
5. Exit the Device Manager and restart your system.

Windows will reinstall your hardware automatically.

The monitor has started making a strange noise:

It is usually a glass display type monitor that will create some unusual noise. Such noise could be:

1. A high pitched tone or high pitched squealing sound:
Usually, these sounds will be of such a high frequency that they are our of the human ears range. But it is possible for these frequencies to radiate off of internal components making the sound audible. Most of the time, moving or adjusting the height of the monitor cures this problem. Also, try simply turning the monitor off and then back on. If the sound continues or worsens, then either have a qualified technician take a look at your monitor or replace the monitor.

2. Monitor is making a clicking sound:
This type of noise is usually caused by the monitors relays opening and closing. You could hear this type of sound when the computer starts up or when you are playing a game and a display setting is changed. This sound is considered normal.

Monitors display settings are not correct:

This problem usually occurs when a new monitor is installed. It can happen if the automatic detection installs the wrong driver for your hardware resulting in incorrect display settings for your application.

You can try reinstalling the monitor by using the above troubleshooting step; "After connecting a monitor, the picture looks bad". It is possible that Windows will find the correct drivers this time.

Or, visit the manufactures web site and manually install the correct driver for your hardware and operating system.

Display is rotated:

This is usually caused from a game that has changed the Rotation setting within the Graphics Controller. To change this back:

1. Go to Start>> Control Panel>> Intel Extreme Graphics Applet>> Rotation tab.
2. Uncheck the Enable Rotation check box.
3. Click Apply, then OK.
4. Exit Control Panel.

Note: The above steps may vary depending on the graphics card you have installed. You are looking for the Graphics Controller properties window to change the Rotation setting.

An alternate method of finding your Rotation setting is:

1. Right click an empty area of your desktop.
2. Select Properties.
3. Click the Settings tab.
4. Select the Advanced button.
5. Click the Graphics card tab.
6. Select the Graphics Properties button.
7. Click the Rotation tab.
8. Uncheck the Enable Rotation checkbox.
9. Select Apply and exit all windows.

Friday, December 10, 2010

The Top 5 Most Common Computer Problems

Why have does your computer have problems?

Well, the biggest problem that your computer has is its owner. More than 80% of computer problems stem from neglecting to perform simple maintenance task such as cleaning your registry, emptying your cache files and updating software regularly. If these task a perform diligently. You would be reading this article from a five year old machine running on Windows 98 operating system. So, lets take a look at the top five computer problems and how to avoid them.

1. Computer has performance has slowed.

This is the number one complaint from most users. There are several reason why this has occurred. However, most can attributed to lack of maintenance. Fragmented data, corrupted registry, spyware, and load of unnecessary programs and services running can all eat away at your PC speed and performance. Manage your programs and cleaning your registry would easily award you a 30% gain in performance speed. Check out The 4 ways to speed up my computer

2. Lockup, freezes, and blue screens of death.

This is a another common computer problem. However, this particular issue is a bit more serious; therefore, it needs a few diagnostic steps. In most cases this problems are caused by spyware. To avoid this problem update your anti-spyware program daily. Having the most up to date signatures will help you avoid having a serious spyware problem. However, if you have concluded that your PC is spyware free. You should update your hardware drivers. The computer cannot communicate with various hardware components without an up to date driver. When it cannot find a driver, the CPU locks up. Also, increasing your virtual memory can also help to avoid freezes. Virtual Memory will allow to you get more use out your computer's RAM. Check the resource box for more info on the subject.

3. The computer spontaneously reboots or turn itself off.

This computer problem can be usually attributed to a hardware issue. Usually its the power supply is dying or in most cases a dirty or defective cooling fan. The computer trying to cool itself by automatically switching off. So, if you feel a bit of extra heat coming out the computer. Clean the fan and make sure it running properly. If your fan is functional, check your power supply. Also, you will be surprised how many people fail to make sure the cables are attached tightly. This be the cause of this particular computer problem.

4. Strange noises and vibrations.

This is almost totally a hardware issue. You computer is made up of thousands of parts. Its not unheard of that one of them can become unhinged. Overheating can cause expansion of wires and melt some sensitive. High pitch noises such as squealing or whining sounds can be cause electronic components. Whatever the reason, you conduct a small investigation. Remove the case and run the computer to discover the origin of the computer problem. If its not a simple matter such as a loose wire or fan issue, it may be time to call a computer tech.

5. Your home page, default search engine, or web browser has changed itself.

This is also known as "high-jacking". Spyware has been installed on your computer via social networking or from email link. This action has allowed spyware to install a java script into your web browser. The spyware then sends a message to your browser to change your user settings. For example change your home page to another web page.

As you have discovered from reading the article, the most common computer problems can be handle quite easily by simple maintenance of your PC. Net time you are suffering from computer problems. Take a few minutes to run some diagnostic test before rushing out to computer technical center claiming your PC is broken. When all you need to do was just make sure it was plugged in.

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