HDD Hardware Checks

If you cannot access the hard disk drive, and its configuration settings are correct, you must troubleshoot the hardware components associated with the hard disk drive. As previously indicated, these components include the drive, its signal cable, and the HDC. Like the FDC from the floppy disk drive,...

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BASIC HDD Checks

If the HDD configuration information is correct and you suspect a hard disk drive problem, the first task is to determine how extensive the HDD problem is place a clean boot disk in the A: Drive and try to boot the system. Then, execute a DOS DIR command to access the C:Drive if the system can see...

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HDD Configuration Checks

While booting up the system, observe the BIOS's HDD type information displayed on the monitor. Note the type of HHD that the BIOS believes is installed in the system. The values stored in the CMOS memory must accurately reflect the actual HDDs format installed in the system. otherwise an error occurs....

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HARD DISK DRIVE PROBLEMS

Typical symptoms associated with hard disk drive (HDD) failures include the following: * The computer does not boot up when turned on. * The computer boots up to a sysmtem disk in the A: drive, but not to the hard drive, indicating that the systme files on the HDD are mising or have become corrupt. *...

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Monitor Problems Toubleshooting

All the circuitry discussed so far is part of the computer or its video adapter unit. The circuitry inside the monitor is responsible for accepting, amplifying, and routing the video and synchronizing information to the CRT's electron guns and the deflection coils. Monitor Handling Show...

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Mouse Problems Troubleshooting

The levels of mouse troubleshooting move from configuration problems to software problems including command line, windows, and applications to hardware problems. Maintenance of the mouse if fairly simple. Most of the problems with mice involve the trackball. As the mouse is moved across the table,...

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Keyboard Problems Troubleshooting

Most of the circuitry associated with the computers keyboard is contained in the keyboard itself. However, some keyboard interface circuitry is located on the system board. Therefore the steps required to isolate keyboard problems are usually confined to the keyboard, its connecting cable, and the...

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