Replacing the Battery

A lithium battery on the motherboard provides backup power for the PC’s timekeeping ability. The battery has an estimated life expectancy of seven years.

When the battery starts to weaken, the date and time may be incorrect. If the battery fails, replace it with a CR2032 lithium battery (3 volt, 220mAH rating) or an equivalent battery.

WARNING: There is danger of explosion if the battery is incorrectly replaced. Replace only with the same, or equivalent, type of battery. Discard used batteries according to the manufacturer’s instructions.

1Complete the procedures to prepare the PC and to remove the side panel. See “Opening and Closing the PC” on page 1.

2Gently lay the PC on its side.

3Remove any cabling, if necessary, to reach the battery.

4Remove any memory modules, if necessary, to reach the battery. See “Adding Memory” on page 22.

5To remove the battery, push the latch away from the battery and lift the battery from the socket.

6Install the new CR2032 battery in the socket, with the positive (+) side facing the latch.

7Replace the memory modules or cables you removed.

8Set the chassis upright.

9Complete the procedure to replace the side panel, and to close the PC. See “Opening and Closing the PC” on page 1.

Upgrading and Servicing Guide 27

SR5080CF, SR5050NX, SR5705F, SR5606F, SR5601P specifications

HP SR5559D and SR5558D are part of HP's renowned line of desktop computers, designed to cater to various user needs ranging from basic computing to more demanding tasks. These models are particularly popular among professionals and home users alike for their performance, reliability, and user-friendly experience.

One of the most notable features of the HP SR5559D and SR5558D is their powerful processing capabilities. Both models are equipped with dual-core AMD processors, which offer a balanced combination of efficient performance and energy savings. With speeds of up to 3.0 GHz, users can expect smooth multitasking, enabling them to handle everyday tasks such as web browsing, document editing, and media consumption with ease.

The memory configurations for these desktops are also impressive. With options for up to 4GB of DDR2 RAM, users can ensure that their systems perform optimally, especially when running multiple applications concurrently. This capacity is particularly advantageous for users who require enhanced performance for resource-intensive applications.

In terms of storage, the HP SR5559D and SR5558D provide adequate space for files, applications, and multimedia content. They feature a standard SATA hard drive with significant capacities, allowing users to store large amounts of data without the need for external drives. This focus on storage is ideal for users who work with large files, such as graphic designers or video editors.

The robust graphic capabilities of these models are another highlight. Equipped with integrated graphics, they provide decent visual performance, making them suitable for casual gaming and high-definition video playback. Users can enjoy a visually rich experience without the immediate need for dedicated graphics cards.

Connectivity is another area where the HP SR5559D and SR5558D excel. Both models come with multiple USB ports, enabling users to connect various peripherals easily. Moreover, the inclusion of HDMI and VGA outputs allows for flexible display options, accommodating multiple monitors or connecting to larger screens for presentations.

Finally, both models are built with a focus on user experience. They come pre-installed with Windows operating systems, simplifying the setup process for users. This combination of performance, user-friendly features, and reliable build quality makes the HP SR5559D and SR5558D excellent choices for a wide range of users seeking dependable desktop solutions. Whether for home or office use, these desktops continue to be valuable workhorses in the computing world.