Dell Dimension BIOS Password Recovery
The BIOS password may be cleared from a Dell Dimension by moving the password jumper on the motherboard.
The location of the password jumper on a Dell Dimension motherboard can be found by reviewing the Dimension User Guides.
For most Dell Dimension desktops, the steps to reset a BIOS password and clear all CMOS settings are:
Locate the 3-pin CMOS password reset jumper on the system board.
Remove the jumper plug from pins 1 and 2.
Place the...
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An IBM ThinkPad laptop can have three hardware passwords set:
Power-On Password
Hard Disk Password
Supervisor Password
Power-On Password
RT/CMOS RAM has 8 bytes reserved for the power-on password and the check character. The 8 bytes are initialized to hex 00. The microprocessor can access these bytes only during POST. After POST is completed, if a power-on password is installed, the password bytes are locked and cannot be accessed by any program.
During power-on password...
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For those that own a laptop, one of the most common problems users experience hardware-wise is a broken or malfunctioning laptop screen. Laptop screens are essential to anyone using their laptop computer.Laptop screens can be incredibly delicate pieces of hardware,however, they are surprisingly very easy to fix- even if you are not a technical person. Troubleshoot Your Laptop Screen Problem
Before you decide to go ahead and outright replace your laptop screen, it is wise to troubleshoot...
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CMOS Checksum Bad Error is frequently encountered by computer users for many causes. This error may be frustrating many a times, but the good part is that it can be solved easily and with minimum efforts. There are limited reasons which cause the CMOS Checksum Bad Error and hence they can be handles effectively.The Error Explained
A checksum is computed as an error-detecting code, to guard the BIOS settings stored in the CMOS memory. The CMOS Checksum Bad Error is an error that occurs when...
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If you can boot the Acer, you may be able to reset the BIOS password using Acer eSettings Management.
Click the Start button
Click the All Programs menu item
Click the Empowering Technology menu item
Click the Acer eSettings Management menu item
Once inside Acer eSettings Management, click the Security button.
For more information, read the Acer eSettings Management Guide.
Sending Your Computer to Acer to a BIOS Password Reset
Acer refuses to assist customers with BIOS password...
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The difference between the two is complicated and intertwining. They are dependent and inter-related. But the simplest explanation is that a Bit Rate is how many data bits are transmitted per second. A baud Rate is the measurement of the number of times per second a signal in a communications channel changes.
Bit rates measure of the number of data bits (that's 0's and 1's) transmitted in one second in a communication channel. A figure of 2400 bits per second means 2400 zeros or ones can be...
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The mouse is an extremely popular technology to interact with your computer. While the majority of mice are connected directly to the computers peripheral input via a cord and are powered by the computers main power, wireless mice are becoming extremely popular to give computer users cordless accessibility to their mice and to interact with their computer.Wireless Mouse Technology
Wireless mice usually work via radio frequencies commonly referred to as RF. RF wireless mice require two...
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Epson manufactures most of their new inkjet cartridges with "smart chips" that send a signal to the printer when they are empty. These smart chips remember that the printer cartridge is empty, even after you refill it with ink.
To force the printer to recognize that a refilled inkjet is full, you will need to "reset" the Epson printer cartridge.Methods to Reset an Epson Printer Cartridge
The folks at spray.se have published an interesting technique for fooling your Epson printer in marking...
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The Windows error "USB Device Not Recognized” means that the computer may not recognize the USB device plugged into the computer. When this issue occurs, the USB device may or may not be listed in Device Manager as an unknown device. Causes
This issue mainly occurs because of several factors, which may include the following: Host controller hardware malfunction Incorrect USB driver versions No support for USB 2.0 Additional system hardware or configurations that may...
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Optical mice are the de facto standard for mice to communicate between the end user and the computer. The optical mouse is a great improvement over the mechanical mouse that was created in the early 1970's.
The Optical mouse was introduced in 1999 by Agilent Technologies; the technology uses a tiny camera that takes thousands of pictures per second to determine position and speed.
The optical mouse uses a very small light emitting diode more commonly referred to as an LED which is red in...
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