Solving Keyboard and Mouse Problems

If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table.

Table 2-9Solving Keyboard Problems

Keyboard commands and typing are not recognized by the computer.

Cause

Solution

 

 

Keyboard connector is not properly connected.

1. On the Windows XP Desktop, click Start > Shut Down.

 

On the Windows Vista Desktop, click Start, click the

 

arrow on the lower right corner of the Start menu, then

 

select Shut Down.

 

2. After the shutdown is complete, reconnect the keyboard

 

to the back of the computer and restart the computer.

 

 

Program in use has stopped responding to commands.

Shut down your computer using the mouse and then restart

 

the computer.

 

 

Keyboard needs repairs.

See the Worldwide Limited Warranty for terms and conditions.

 

 

Computer is in standby mode.

Press the power button to resume from standby mode.

 

CAUTION: When attempting to resume from standby mode,

 

do not hold down the power button for more than four seconds.

 

Otherwise, the computer will shut down and you will lose any

 

unsaved data.

 

 

Cursor will not move using the arrow keys on the keypad.

 

 

 

Cause

Solution

 

 

The Num Lock key may be on.

Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup.

Table 2-10Solving Mouse Problems

Mouse does not respond to movement or is too slow.

Cause

Solution

 

 

Mouse connector is not properly plugged into the back of the

Shut down the computer using the keyboard.

computer.

1.

Press the Ctrl and Esc keys at the same time (or press

 

 

 

the Windows logo key) to display the Start menu.

 

2.

Use the arrow keys to select Shut Down and then press

 

 

the Enter key.

 

3.

After the shutdown is complete, plug the mouse

 

 

connector into the back of the computer (or the keyboard)

 

 

and restart.

 

 

Program in use has stopped responding to commands.

Shut down the computer using the keyboard then restart the

 

computer.

 

 

 

30 Chapter 2 Troubleshooting Without Diagnostics

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HP dc5850 Solving Keyboard and Mouse Problems, 9Solving Keyboard Problems, 10Solving Mouse Problems, Select Shut Down
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dc5850 specifications

The HP dc5850 is a desktop computer that was designed for business environments, offering a blend of performance, reliability, and efficiency. Released during the height of the mid-2000s, this system is powered by AMD processors, particularly the Athlon or Phenom series, which ensures that it can handle various computational tasks with ease.

The dc5850 features a compact chassis that adheres to the Microtower form factor. This design not only saves space but also allows for easier upgrades and maintenance. The unit typically supports a range of RAM configurations, with options for up to 8GB of DDR2 memory. This flexibility enables the user to tailor the system's performance according to their needs, whether for basic office tasks or more demanding applications.

Storage options on the HP dc5850 include a 3.5-inch HDD that can accommodate substantial data, with capacities typically ranging from 160GB to 1TB. The inclusion of a SATA interface ensures fast data transfer rates, which is essential for improving overall system performance. Moreover, the dc5850 boasts multiple USB ports, including USB 2.0 and sometimes even USB 3.0, facilitating easy connectivity with peripherals such as printers, scanners, and external drives.

Graphics capabilities on the dc5850 are generally provided by integrated solutions, although users have the option to add discrete graphics cards for enhanced performance in visual tasks. The system often comes with integrated audio, which supports basic multimedia needs without requiring additional sound cards.

In terms of connectivity, the HP dc5850 features built-in Ethernet for wired networking and may also offer options for Wi-Fi capabilities via PCI expansion slots. This makes it suitable for networked business environments, enabling seamless integration into office infrastructures.

The system is designed with energy efficiency in mind, complying with various environmental standards, thereby reducing its carbon footprint. This aspect may also lead to lower operational costs for businesses focused on sustainability.

Overall, the HP dc5850 stands out as a versatile desktop solution, catering to the essential needs of small to medium-sized businesses. With its combination of performance, expandability, and energy efficiency, it remains a noteworthy choice for users seeking reliable computing power in a compact and manageable form.
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