| Most people understand that the
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| | Microsoft be held responsible for the
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| "hardware" part of their computer is the
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| | quality from a third-party?As I described
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| real physical parts, like the keyboard,
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| | in Part 1 of this article, the operating
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| mouse, modem, hard drive and so on. They
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| | system doesn't interface directly to a
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| understand that the "software" is
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| | hardware device. There is a piece of
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| computer bits stored on the hard drive,
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| | software called a "driver" that
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| CD-ROM, or other storage media. But most
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| | translates the hardware's control signals
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| people are a little hazy about exactly
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| | to signals that the operating system
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| what a "driver" is.In this article, I'm
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| | expects, and translates signals from
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| going to reveal in plain English what a
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| | operating system to the hardware's
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| driver is, why we need drivers, and
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| | control signals. Obviously, the hardware
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| exactly where the drivers are hiding. To
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| | manufacturer provides the driver.Because
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| give you a basic understanding, I'm going
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| | the driver works between the operating
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| to go back, way back, to the early days
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| | system and the hardware, a bug in the
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| of computers.The Early DaysThe year is
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| | driver can cause a serious problem. Many
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| 1981 and the world is in the midst of a
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| | of the problems with Windows have come
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| severe resession. IBM's main frame
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| | from bugs in third-party drivers that
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| business has slowed and the company is
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| | Microsoft had nothing to do with. For
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| losing money. Up until now they had been
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| | this reason, Microsoft created a Hardware
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| laughing at the array of microcomputers
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| | Quality Lab to test drivers. A hardware
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| on the market: Atari, Commodore,
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| | manufacturer can submit their driver for
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| sinclair. Toys really, mostly used to
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| | testing, and if it is passes rigorous
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| play computer games.The problem was,
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| | compatibility testing, it receives
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| these "toys" were selling like hot cakes.
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| | Microsoft's digital signature.You may
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| IBM had to get into that market and get
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| | have received a message during the
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| into it fast. They didn't have time to
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| | installation of a hardware device warning
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| design and build a computer complete
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| | that the driver was not signed. Why would
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| enough to compete in the market, so they
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| | a hardware manufacturer fail to have
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| built an "open system". They used
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| | their driver certified by Microsoft? The
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| commonly available electronic components
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| | computer hardware market is very
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| and they published every design detail
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| | competitive and the manufacturer might
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| (including the code), and they even
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| | want to bring a new product to market
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| provided plug in slots so that others
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| | before thorough testing can be completed.
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| could build components for their
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| | Or maybe they don't want to or can't
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| computer.And people did provide
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| | afford to pay Microsoft for
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| components for the IBM PC. They provided
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| | certification. The question is, should
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| video cards, memory expansion cards,
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| | you click on the "Continue" button to
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| input-output port cards, game port cards,
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| | install the unsigned driver?In my
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| hard disk interface cards, and much more.
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| | experience, I have never been able to
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| How were all these various devices able
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| | trace a problem to an unsigned driver. If
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| to interface with the PC's operating
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| | it's your home computer and you performed
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| system? That's where a "driver" comes
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| | a back-up recently, go ahead and install
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| in.A hardware device is constructed with
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| | the unsigned driver. If it's a computer
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| various electronic components using
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| | on a corporate network, you may want to
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| various control signals, but the software
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| | back-out of the installation and see if
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| interface to the operating system is
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| | you can locate a signed driver first.
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| standardized. A device's interface to the
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| | Many times a manufacturer will release a
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| operating system must follow the
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| | product with an unsigned driver, then
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| interface specification. A driver is a
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| | later provide a signed driver as a free
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| piece of software that translates the
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| | download from their website.If you decide
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| hardware's control signals to signals
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| | to go ahead and install an unsigned
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| that the operating system expects, and
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| | driver, you can always update the driver
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| translates signals from the operating
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| | later. If your computer works with the
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| system to the hardware's control
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| | unsigned driver, I would not update the
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| signals.When the computer is started up,
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| | driver. When it comes to updating drivers
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| it would look in the "system" directory
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| | (or the computers BIOS) I go by the old
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| for files with the extension ".drv" and
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| | saying, "if it ain't broke don't fix
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| load them into memory. Specific files
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| | it".To update a driver, select Start |
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| like autoexec.bat, config.sys, and
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| | Settings | Control Panel and double-click
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| win.ini were used to inform the operating
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| | on the "System Properties" Utility. In
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| system about drivers. Hardware would be
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| | the "System Properties" Utility, select
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| configured through these files, or
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| | the "Hardware" tab and click on the
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| through jumpers located on the device
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| | "Device Manager" button. In the "Device
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| itself.The driver specification evolved
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| | Manager" window, right-click on the
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| along with the PC. Today when a PC
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| | device in the list and select
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| starts, it executes the program which
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| | "Properties" in the popup menu. In the
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| queries the hardware components and
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| | "Properties" dialog box, select the
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| builds the registery key
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| | driver tab and click on the "Update
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| HKEY_LOCAL_MACHINEHARDWARESYSTEMCurrentCo
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| | Driver..." button.In the "Properties"
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| ntrolSet. This key exists only in memory
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| | dialog box driver tab, you may have
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| and is created each time the computer
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| | noticed the "Roll Back Driver" button. If
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| boots. If all the drivers are loaded
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| | your computer has problems with the new
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| successfully, a copy of the key is saved
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| | drive, you can click on the "Roll Back
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| as ControlSet00X.Under the registery key
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| | Driver" button to roll back to the
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| CurrentControlSet, the subkey "Enum"
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| | previous the driver. Driver roll back
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| contains a subkey for each harware device
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| | saves only one previous driver, so if you
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| on the computer. Each device key contains
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| | update a driver, then update it again,
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| fields for Hardware ID, Driver ID, Device
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| | the original driver is gone. If the
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| Parameters, and other configuration data.
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| | computer has problems with the new
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| The 32-bit drivers are files with the
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| | driver, always roll back to the original
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| extension ".sys" and can be found in the
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| | driver before trying a different one.
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| folder C:/winnt/system32.Driver
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| | That way you'll always have the original
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| SigningMicrosoft has been the brunt of
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| | driver to roll back to.Copyright(C)
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| much criticism because of the poor
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| | Bucaro TecHelp.Permission is granted for
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| reliability of the Windows Operating
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| | the below article to forward, reprint,
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| System. I feel that much of this
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| | distribute, use for ezine, newsletter,
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| criticism is justified. On the other
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| | website, offer as free bonus or part of a
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| hand, as I described in part 1 of this
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| | product for sale as long as no changes
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| article, the PC was designed by IBM as an
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| | are made and the byline, copyright, and
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| "open" system. Anyone can sell a hardware
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| | the resource box below is included.
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| device (or software) for the PC. Should
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|
