Call Center:

 

 

Repair Center:

 

 

Repair Center:

 

Symptom

 

Suggestions

 

 

Likely Causes

 

 

Comments

 

Wireless

 

 

 

 

 

 

 

 

 

General problems.

 

Check TCP/IP setup in

 

 

Mini-PCI card.

 

 

Make sure all cables are

 

 

 

Control Panel.

 

 

Antenna PCAs.

 

 

properly connected to mini-

 

 

 

Check SSID, channel, and

 

 

Motherboard.

 

 

PCI card and motherboard.

 

 

 

encryption settings.

 

 

 

 

 

Check for damaged coaxial

 

 

 

 

 

 

 

 

 

cables or connectors.

 

One-Touch button

 

 

 

 

 

 

 

 

 

problems

 

 

 

 

 

 

 

 

 

Buttons not working

 

Make sure correct

 

 

Keyboard cover.

 

 

 

 

properly.

 

applications are associated

 

 

Switchboard PCA.

 

 

 

 

 

 

with buttons in One-Touch

 

 

Motherboard.

 

 

 

 

 

 

tab of Keyboard in Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Panel.

 

 

 

 

 

 

 

On-screen display

 

Make sure Onscreen Display

 

 

 

 

 

 

 

does not appear

 

is enabled in One-Touch tab

 

 

 

 

 

 

 

when button is

 

of Keyboard in Control Panel.

 

 

 

 

 

 

 

pressed.

 

 

 

 

 

 

 

 

 

PCMCIA

 

 

 

 

 

 

 

 

 

General problems.

 

Restart notebook.

 

 

PCMCIA socket.

 

 

Using a flashlight, look for

 

 

 

Try card in another computer.

 

 

Motherboard.

 

 

bent pins inside the PCMCIA

 

 

 

If card requires an IRQ, make

 

 

 

 

 

socket.

 

 

 

 

 

 

 

 

For model XE4500, if only

 

 

 

sure one is available.

 

 

 

 

 

 

 

 

In Device Manager, refresh

 

 

 

 

 

one slot is affected, replace

 

 

 

 

 

 

 

 

PCMCIA socket. If both slots

 

 

 

device list and check for

 

 

 

 

 

 

 

 

 

 

 

 

 

are affected, replace

 

 

 

conflicts.

 

 

 

 

 

 

 

 

 

 

 

 

 

motherboard.

 

 

 

Download current drivers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from card manufacturer’s

 

 

 

 

 

 

 

 

 

Web site.

 

 

 

 

 

 

 

AC adapter

 

 

 

 

 

 

 

 

 

Does not power

 

Make sure AC adapter has

 

 

AC adapter.

 

 

AC adapter cannot be

 

notebook.

 

correct power rating.

 

 

Motherboard.

 

 

repaired and must be

 

 

 

Try another AC adapter, if

 

 

 

 

 

replaced.

 

 

 

available.

 

 

 

 

 

 

 

Motherboard

 

 

 

 

 

 

 

 

 

Evidence of spilled

 

 

 

 

 

 

 

Declared to be caused by

 

liquid.

 

 

 

 

 

 

 

customer abuse.

 

Bent or broken

 

 

 

 

 

 

 

Declared to be caused by

 

connectors, or burnt

 

 

 

 

 

 

 

customer abuse.

 

component.

 

 

 

 

 

 

 

 

 

Motherboard

 

 

 

 

 

 

 

Declared to be caused by

 

cracked.

 

 

 

 

 

 

 

customer abuse.

 

Miscellaneous

 

 

 

 

 

 

 

 

 

Clock loses time

 

Plug in AC adapter for 24

 

 

CMOS battery.

 

 

Charge CMOS battery.

 

 

 

hours to charge CMOS

 

 

Motherboard.

 

 

 

 

 

 

battery.

 

 

 

 

 

 

 

Notebook gets

 

Always set notebook on a flat

 

 

Heatsink.

 

Check heatsink for damage

 

abnormally hot.

 

surface, so air can flow freely

 

 

 

 

 

or proper fan operation.

 

 

 

around and underneath it

 

 

 

 

 

Check thermal contact

 

 

 

Make sure air vents are not

 

 

 

 

 

between CPU and heatsink.

 

 

 

blocked.

 

 

 

 

 

Replace thermal pad if

 

 

 

Games and other programs

 

 

 

 

 

needed.

 

 

 

that drive CPU usage toward

 

 

 

 

 

 

 

 

 

100% can contribute.

 

 

 

 

 

 

 

3-16 Troubleshooting and Diagnostics

Service Manual

Page 89
Image 89
HP 2127EA, 2175EA, 2164EA, 2163EA, 2160US, 2158EA, 2165EA, 2166EA, 2505AP One-Touch button Problems, Motherboard, Miscellaneous

2550CA, 2542EA, 2562AP, 2555AP, 2136AD 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.

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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.