Touch pad, Synaptics PS/2 TouchPad | HP 2157AD, 2500, 2183AF, 2182US

Symptom

Call Center: Suggestions

Repair Center: Likely Causes

Repair Center: Comments

Touch pad

General problems	Reset notebook	Top case
	(see page 1-17).	Motherboard
	Check settings in Control	Motherboard
	Check settings in Control
	Panel. Make sure touch pad is
	enabled in Mouse Properties.
	By default, touch pad is
	disabled if external PS/2
	mouse is connected, Use BIOS
	Setup to check settings.
	Avoid touching touch pad while
	booting or resuming.
Special touch pad	In Mouse Properties, select	Top case
features not working	Synaptics PS/2 TouchPad	Motherboard
	driver. (Driver is installed from	Motherboard
	driver. (Driver is installed from
	\hp\drivers\TouchPad.)
Select button does		Top case
not work		Motherboard
		Motherboard
Memory
Out of memory error	Make sure C drive has	SDRAM module
	adequate free space.
	Delete temporary and
	unneeded files.
	Use memory troubleshooter in
	Windows Help.
	Not all third-party memory
	cards have been tested for use
	with notebook.
Notebook does not	Use only DDR-266 SDRAM	SDRAM module
boot after adding	modules.
SDRAM
Audio
No sound audible	Increase sound volume.	Top case	Check operation
	Check whether sound is	Speaker assembly	using headphones or
	Check whether sound is	Speaker assembly	external speakers
	enabled (mute button and		external speakers
	enabled (mute button and	Switchboard PCA	(switchboard PCA).
	software controls).	Switchboard PCA	(switchboard PCA).
	software controls).	Motherboard	Make sure speaker
	Check for sound resource	Motherboard	Make sure speaker
	Check for sound resource		assembly cable is
	conflicts in Device Manager.		assembly cable is
	conflicts in Device Manager.		connected.
	Test audio with e-Diagtools		connected.
	Test audio with e-Diagtools
	diagnostics.

Sound does not	Use an external microphone	Switchboard PCA
record	(internal microphone normally	Motherboard
	not included).	Motherboard
	not included).
	Check software controls.
	Test audio with e-Diagtools
	diagnostics.

Service Manual

Troubleshooting and Diagnostics

3-15

2547EA, 2550CA, 2552AI, 2541AH, 2543AH specifications

The HP 2135US is a versatile all-in-one desktop computer designed to meet the needs of home and small office users. This robust machine is particularly attractive for individuals who seek a blend of performance, aesthetics, and user-friendly features.

At the heart of the HP 2135US is its powerful Intel Core processor. This series of CPUs provides reliable performance for multitasking and productivity tasks, ensuring smooth operation whether you're working on documents, browsing the web, or streaming multimedia content. Complementing the processor is a competent amount of RAM, allowing users to run multiple applications simultaneously without experiencing slowdowns.

The computer features a vibrant display that brings visuals to life. With high resolution and excellent color accuracy, the HP 2135US is ideal for photo editing, video playback, and gaming. The screen's size also contributes to an immersive experience, making it suitable for both leisure and professional uses.

Storage is another significant feature of the HP 2135US. It comes equipped with a sizeable hard drive, providing ample space for files, applications, and media libraries. Furthermore, the device offers options for solid-state drives, which enhance the system's speed and responsiveness. This blend of storage solutions ensures that users can choose configurations that best fit their needs.

Connectivity is a strong suit of the HP 2135US, as it includes a range of ports and wireless options. Multiple USB ports allow for easy connection of peripherals such as printers, keyboards, and external storage devices. Additionally, integrated Wi-Fi and Bluetooth capabilities enable seamless networking and device pairing, enhancing the overall user experience.

The integrated graphics in the HP 2135US ensures decent performance for everyday tasks and light gaming. Combined with its multimedia features, the computer serves as a capable entertainment hub for users who enjoy watching movies or playing games.

In terms of design, the HP 2135US boasts a sleek, modern aesthetic that fits well in any environment. Its compact form factor makes it space-efficient, an important consideration for users with limited workspace. The ergonomics of the design also contribute to comfortable usage over extended periods.

To sum up, the HP 2135US represents a blend of performance, connectivity, and design sophistication. Its comprehensive set of features makes it an excellent choice for users seeking an all-in-one solution for both work and play, proving itself to be a worthy addition to any modern workspace or home office setup.