Call Center:

Repair Center:

Repair Center:

Symptom

Suggestions

Likely Causes

Comments

Notebook pauses or

May be normal Windows

CPU module.

If notebook slows after period

runs sluggishly.

behavior (background

Motherboard.

of continuous activity, check

 

processing can affect

 

heatsink—see previous

 

response time).

 

symptom.

 

Certain operations (such as

 

 

 

virus scanning or file

 

 

 

browsers) can affect

 

 

 

performance.

 

 

 

Press Ctrl+Alt+Del to see if

 

 

 

an application is not

 

 

 

responding.

 

 

 

Restart notebook.

 

 

 

If hard disk has spun down to

 

 

 

conserve power, it can take

 

 

 

several seconds to spin up

 

 

 

(you can hear this). Use

 

 

 

Control Panel to modify hard

 

 

 

disk power settings.

 

 

 

Check for overheating—see

 

 

 

previous symptom.

 

 

 

If notebook’s hard drive

 

 

 

frequently runs (as indicated

 

 

 

by hard drive light on front of

 

 

 

notebook) while notebook

 

 

 

appears to be paused or

 

 

 

running slowly, consider

 

 

 

installing additional SDRAM.

 

 

 

Make sure hard drive has

 

 

 

adequate free space. Delete

 

 

 

temporary and unneeded

 

 

 

files.

 

 

Notebook still on

Press Ctrl+Alt+Del and end

 

 

but stops

any application not

 

 

responding.

responding.

 

 

 

Reset notebook (see

 

 

 

page 1-21).

 

 

Accessories

 

 

 

Port replicator

Check notebook’s power

Port replicator.

Port replicator is not

problems.

supply.

Motherboard.

repairable, and must be

 

Check settings in BIOS

 

exchanged.

 

Setup.

 

 

Service Manual

Troubleshooting and Diagnostics

3-17

Page 90
Image 90
HP 2127AD, 2175EA, 2164EA, 2163EA, 2160US, 2158EA, 2165EA, 2166EA, 2505AP, 2502AP, 2500AP, 2156EA, 2117AP, 2116AP, 2114AP Accessories

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.

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