subject: Know Computer Diagnostics And Troubleshooting [print this page] Computers and Internet have become ubiquitous with people coming from different walk of life getting benefited from. These have become a useful mean of communication and collaboration besides handing general computing tasks. But it doesnt mean that they are free from troubles and issues. You may have to face weird situations with your computers and the Internet connection many a time.
Lets see some common PC Diagnostic tools and methodologies to fix computer issues at home.
Computer Diagnostics Fix Network & Internet Connection Problems
You may find issues with your Windows 7-based machine. The network map shows no Internet connection, error messages may be displayed while browsing. Network components may not be connected to the networks. For wireless connections, make sure that the computer is connected to the correct network. Click the Network Connection icon, if the computer is connected to an incorrect network, click the name of the network, and then click Disconnect. Click the name of the correct network, and then click Connect. Try using Internet Explorer without add-ons. Go as: Click Start (Start), type add in the Search programs and files area, and then click Internet Explorer (No Add-ons). Internet Explorer displays a page that states, Internet Explorer is currently running without add-ons. Reset Internet settings as: Click Start, Control Panel, and then click Network and Internet. Click Internet Options. The Internet Properties window opens. Click the Advanced tab, and then click the Reset button.
No Sound from the Speakers in Windows 7
HP Sound Troubleshooter can be a great tool to automatically fix many types of sound problems. Follow as: Click Start, click PC Help & Tools, and then click Sound Troubleshooter. When the troubleshooter is done, the Troubleshooting has completed page is displayed listing any problems found and the changes made to the computer. For more information about the troubleshooting, click View detailed information. The PC Diagnostics will proceed towards fixing the sound issues. However, if the sound problems continue after using the HP Sound Troubleshooter, continue with the Microsoft Sound Troubleshooter. Click Start, and then click Control Panel. Under System and Security, click Find and fix problems. Make sure the speakers are powered on. If the speakers have a power light, make sure the light is on. If the speakers are powered on but there is no sound, the volume setting for one or more sound devices might be muted or set too low. Adjust the audio output.
Black Screen Error Operating System Not Found"
This is also referred as "boot errors" or "black screen" error message. It means that the BIOS does not detect the hard drive. There can be possible malfunctioning of the hard drive. It indicates that Windows Master Boot Record (MBR) is corrupted. Or the partition or section of the hard drive containing the Windows MBR is no longer active. A detailed computer diagnostics is required to fix the issue. Test the Hard Drive as follows: Plug the AC Adapter into the PC. Press and hold the Power button for 5 Seconds to turn off the PC. Press and hold the F10 key while you press the Power button to turn on the PC. Release the F10 key after text is displayed on the screen of the PC. After the BIOS Setup Utility is displayed, use the Right Arrow key to select the Tools menu. Press the Enter key to start the test. A Quick test, a Comprehensive test, and a SMART test will execute when the Enter key is pressed. The comprehensive portion of the HP Hard Drive Self Test will repair soft errors on the hard drive, but it will not report the errors. After the test is complete, be sure to restart the PC to see if test repaired the problem you may be experiencing with your PC. Next, press the Power button to restart the PC. If the persists then you are supposed to repair the Master Boot Record (MBR) using the installation CD.