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SYSTEM RESTORE AND UNEXPECTED UNINSTALLATION

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Sometimes a System Restore operation has the unintended consequence of messing up a program you recently installed.  The net effect is that a program may appear to be installed but is missing vital files that were “unhooked” by the System Restore operation. Because you probably ran System Restore to recover from a disaster, I don’t recommend undoing the System Restore.   Instead, what you need to do is reinstall the program that’s screwing up. Doing so reconnects the items that System Restore disconnected.
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WHAT’S THE FIRMWARE?

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The term firmware applies to an array of chips on the PC’s motherboard. These chips provide basic technology for the PC. In a way 

the firmware is the PC’s personality, giving it features such as graphics, sound, networking, and basic input/output functions.

Because the firmware chips are integrated with the motherboard, you can’t readily replace them. Further, the firmware controls so many

aspects of the PC’s basic hardware that a firmware bug would be near impossible to catch.

Some motherboard manufacturers sell diagnostic tools that let you check the firmware’s status. Even then, if the firmware is suspect, you

must choose between replacing the entire motherboard or buying a new PC. Neither option is inexpensive.

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