Hard disk | HP 2508AT, 2500, 2183AF, 2182US, 2182AT, 2182AF, 2180EA, 2158

			Repair Center:	Repair Center:
Symptom	Call Center: Suggestions		Likely Causes	Comments
Erratic display		Display cable		Check display cable
			connection	connection.
			Switchboard PCA
			Display assembly
			Motherboard
Bright or missing	See quality statement on		Display cable	Check display cable
pixels or lines.	page 5-3.		connection	connection.
			Display assembly	See quality
				statement on page 5-
				3.
Punctured display				Declared to be
				caused by customer
				abuse.
Vertical crack near			Usually caused by	Declared to be
center of display.			closing display with	caused by customer
			pencil-sized object on	abuse.
			keyboard
Scratched display				Declared to be
glass				caused by customer
				abuse.
Local area of dark or			Caused by excessive	Declared to be
light discoloration			pressure applied to area	caused by customer
visible when display			on screen	abuse.
is on
External display does	Check connections.		External display
not work	Press Fn+F5 several times.		Motherboard
	Press Fn+F5 several times.		Motherboard
	Try display on another
	computer.
Hard disk
Hard disk never spins	Check power source.		Hard drive or connector	If drive case is
	Remove and reinstall hard		Motherboard	damaged, drive may
	Remove and reinstall hard		Motherboard	not operate properly.
	drive. Check connector.			not operate properly.
	drive. Check connector.
Hard disk makes	Back up disk immediately.		Hard drive	Check notebook and
clunking or scratching	Was notebook or drive			drive for evidence of
noise	Was notebook or drive			customer abuse.
noise	dropped?			customer abuse.
	dropped?

Hard disk makes	Back up disk immediately.		Depends on noise
buzzing or whining	Check hard disk installation.		source
noise	Check hard disk installation.
noise	Check for alternate noise
	Check for alternate noise
	sources, such as PCMCIA
	drive or fan.

3-12 Troubleshooting and Diagnostics

Service Manual

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.