compaq 800 notebook series User Manual

2–2Maintenance and Service Guide
Troubleshooting
■Compaq Diagnostics—A system information and diagnostic 
utility that is used within your Windows operating system. 
Use this utility whenever possible to:
❏Display system information.
❏Test system components.
❏Troubleshoot a device configuration problem in 
Windows 2000, Windows XP Professional, or 
Windows XP Home.
✎It is not necessary to configure a device connected to a USB 
connector on the notebook or an optional docking base.
Using Computer Setup...

Troubleshooting
Maintenance and Service Guide2–3
Selecting from the File Menu
Ta b l e  2 - 1
File Menu
Select To Do This
System Information■View identification information about the 
notebook, a docking base, and any battery 
packs in the system.
■View specification information about the 
processor, memory and cache size, and 
system ROM.
Save to Floppy Save system configuration settings to a diskette.
Restore from Floppy Restore system configuration settings from a 
diskette.
Restore Defaults Replace...

2–4Maintenance and Service Guide
Troubleshooting
Selecting from the Security Menu
Table 2-2
Security Menu
Select To Do This
Setup Password Enter, change, or delete a setup password. 
(The setup password is called an administrator 
password in Compaq Computer Security, a 
program accessed from the Windows Control 
Panel.)
Power-on Password Enter, change, or delete a power-on password.
DriveLock Passwords Enable/disable DriveLock; change a DriveLock 
User or Master password.
✎DriveLock Settings are...

Troubleshooting
Maintenance and Service Guide2–5
Selecting from the Advanced Menu
Ta b l e  2 - 3
Advanced Menu
Select To Do This
Language (or press F2) Change the Computer Setup language.
Boot Options Enable/disable:
■QuickBoot, which starts the notebook more 
quickly by eliminating some startup tests. 
(If you suspect a memory failure and want 
to test memory automatically during startup, 
disable QuickBoot.)
■MultiBoot, which sets a startup sequence 
that can include most bootable devices and 
media...

2–6Maintenance and Service Guide
Troubleshooting
Device Options 
(continued)■Change the parallel port mode from EPP 
(Enhanced Parallel Port [default]) to 
standard, bidirectional, EPP or ECP 
(Enhanced Capabilities Port).
■Set video-out mode to NTSC (default), PAL, 
NTSC-J, or PAL-M.*
■Enable/disable all settings in the SpeedStep 
window. (When Disable is selected, the 
notebook runs in Battery Optimized mode.)
■Specify how the notebook recognizes 
multiple identical docking bases that are 
identically...

Troubleshooting
Maintenance and Service Guide2–7
2.2 Using Compaq Diagnostics
When you access Compaq Diagnostics, a scan of all system 
components is displayed on the screen before the Compaq 
Diagnostics window opens.
You can display more or less information from anywhere within 
Compaq Diagnostics by selecting Level on the menu bar.
Compaq Diagnostics is designed to test Compaq components. 
If non-Compaq components are tested, the results may be 
inconclusive.
Obtaining, Saving, or Printing...

2–8Maintenance and Service Guide
Troubleshooting
Obtaining, Saving, or Printing Diagnostic 
Test Information
1. Access Compaq Diagnostics by selecting Start > Settings > 
Control Panel > Compaq Diagnostics.
2. Select the Test tab.
3. In the scroll box, select the category or device you want to 
test.
4. Select a test type:
❏Quick Test—Runs a quick, general test on each device in 
a selected category.
❏Complete Test—Performs maximum testing on each 
device in a selected category.
❏Custom Test—Performs...

Troubleshooting
Maintenance and Service Guide2–9
6. Select the Begin Testing button.
7. Select a tab to view a test report:
❏Status tab—Summarizes the tests run, passed, and failed 
during the current testing session.
❏Log tab—Lists tests run on the system, the number of 
times each test has run, the number of errors found on 
each test, and the total run time of each test.
❏Error tab—Lists all errors found in the notebook with 
their error codes.
8. Select a tab to save the report:
❏Log tab—Select the...

2–10Maintenance and Service Guide
Troubleshooting
2.3 Troubleshooting Flowcharts
Ta b l e  2 - 4
Troubleshooting Flowcharts Overview
Flowchart Description
2.1 Initial troubleshooting
2.2 No power, part 1
2.3 No power, part 2
2.4 No power, part 3
2.5 No power, part 4
2.6 No video, part 1
2.7 No video, part 2
2.8 Nonfunctioning docking station
2.9 No operating system (OS) loading
2.10 No OS loading from hard drive, part 1
2.11 No OS loading from hard drive, part 2
2.12 No OS loading from hard drive, part...

Troubleshooting
Maintenance and Service Guide2–11
Flowchart 2.1—Initial Troubleshooting
Connecting
to network
or modem?
Begin
troubleshooting.
Is there
power?
Is the OS
loading? Is there video?
(no boot)
Is there
sound?Beeps,
LEDs, or error
messages?
Keyboard/
pointing
device 
working?Go to
Section 2.16,
Nonfunctioning
Device. Go to
Section 2.2,
No Power.
Go to
Section 2.6,
No Video.All drives
working?
Y
Y
Y
Y
YY
Y
Y N N
N
N
N
End
N
N
N
Go to
Section 2.9,
No OS Loading.
Go to
Section 2.15,
No Audio.Go...