compaq evo notebook n1000 series User Manual

							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 maximum testing on a selected 
device.
◆To run all tests for your selected device, click 
Check All.
◆To run only the tests you select, click Uncheck All, 
then select the checkbox for each test you want 
to run.
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							Troubleshooting
Maintenance and Service Guide2–9
5. Select a test mode:
❏Interactive Mode—Provides maximum control over the 
testing process. You determine whether the test was 
passed or failed, and you may be prompted to insert or 
remove devices.
❏Unattended Mode—Does not display prompts. If errors 
are found, they are displayed when testing is complete.
6. Click Begin Testing.
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 computer with 
their error codes.
8. Select a tab to save the report:
❏Log tab—Select Save.
❏Error tab—Select Save.
9. Select a tab to print the report:
❏Log tab—Select File > Save As, then print the file from 
your folder.
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							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 3
2.13 No OS Loading From Diskette Drive
2.14 No OS Loading From CD- or DVD-ROM Drive
2.15 No Audio, Part 1
2.16 No Audio, Part 2
2.17 Nonfunctioning Device
2.18 Nonfunctioning Keyboard
2.19 Nonfunctioning Pointing Device
2.20 No Network or Modem Connection
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							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
Flowchart 2.17,
Nonfunctioning
Device. Go to
Flowchart 2.2,
No Power, Part 1.
Go to
Flowchart 2.6,
No Video, Part 1.All drives
working?
Y
Y
Y
Y
YY
Y
Y N N
N
N
N
End
N
N
N
Go to
Flowchart 2.9,
No OS Loading.
Go to
Flowchart 2.15,
No Audio.Go to
Flowchart 2.18,
Nonfunctioning 
Keyboard,
or Flowchart 2.19, 
Nonfunctioning 
Pointing Device. Check
LED board, 
speaker 
connections.
Go to
Flowchart 2.20,
No Network or 
Modem 
Connection.
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							2–12Maintenance and Service Guide
Troubleshooting
Flowchart 2.2 - No Power, Part 1
1. Reseat the power cables in the docking 
station and at the AC outlet.
2. Ensure that the AC power source is active.
3. Ensure that the power strip is working.
Done
Remove from
docking station
(if applicable).
Power up
on battery
power?
Power up
on AC
power?
Power up
in docking
station?
Power up
on battery
power?
Power up
in docking
station?Done *Reset
power.
*Reset
power.Power up
on AC
power?
NY YN
N
YN
N
Y Y
YN
* On some models there is a separate reset 
button. On some models the computer may 
be reset using the Standby switch and either 
the lid switch or the main power switch.Go to
Flowchart 2.4,
No Power,
Part 3.Go to
Flowchart 2.3,
No Power,
Part 2.
Go to
Flowchart 2.8,
Nonfunctioning
Docking Station. No power 
(power LED
is off).
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							Troubleshooting
Maintenance and Service Guide2–13
Flowchart 2.3 - No Power, Part 2
Continued from 
Flowchart 2.2,
No Power, Part 1.
Visually check for
debris in battery 
socket and clean 
if necessary.
Done
NY
Power on? Check battery by 
recharging, 
moving it to 
another computer, 
or replacing it.
Power on?
Done
Y
Replace 
power supply 
(if applicable).
N
Power on?
Done
YN
Go to
Flowchart 2.4,
No Power,
Part 3.
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							2–14Maintenance and Service Guide
Troubleshooting
Flowchart 2.4 - No Power, Part 3
Continued from 
Flowchart 2.3,
No Power, Part 2.
Reseat AC adapter
in computer and
at power source.
Internal or
external AC
adapter? Done
Done
Done Done Power on?
Power on?Power on? Plug directly
into AC outlet.
Power LED
on?
Power outlet
active?Try different
outlet.Replace external
AC adapter.
Replace
power cord.
Y
N
Y
Y Y
Y N
NN
N
External
Internal
Go to
Flowchart 2.5,
No Power,
Part 4.
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							Troubleshooting
Maintenance and Service Guide2–15
Flowchart 2.5 - No Power, Part 4
Y
N
Continued from 
Flowchart 2.4,
No Power, Part 3.
Reseat loose
components and
boards and 
replace
damaged items. Open
computer.
Loose or
damaged
parts?
Y
Close
computer and
retest.
Power on?
Done
N
Replace the following items (if applicable). 
Check computer operation after each 
replacement:
1. Internal DC-DC converter*
2. Internal AC adapter
3. Processor board*
4. System board*
*Replace these items as a set to prevent 
shorting out among components.
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							2–16Maintenance and Service Guide
Troubleshooting
Flowchart 2.6 - No Video, Part 1
A
N
Stand-alone
or docking
station? No video.
Replace the following one at a time. Test after each replacement.
1. Cable between notebook and computer display (if applicable)
2. Inverter board (if applicable)
3. Display
4. System board
Internal or
external
display*?Adjust
brightness.Video OK? Done Docking
station
Internal
Stand-alone
External
Adjust
brightness.
Video OK? Done
Y
Press lid
switch to ensure
operation.
Video OK? Done
Y
N
Video OK?
DoneDone
N
Check for bent
pins on cable.
Tr y
another
display.Internal and
external
video OK?Replace
system
board.
YYN N
* To change from internal to 
external display, use the hotkey 
combination.
Y
Go to
Flowchart 2.7,
No Video, Part 2.
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							Troubleshooting
Maintenance and Service Guide2–17
Flowchart 2.7 - No Video, Part 2
Y
N
Continued from
Flowchart 2.6,
No Video, Part 1.
Done Video OK?
Adjust external
monitor display.Adjust
display
brightness.
Video OK?Video OK?
Done Done
Check that notebook is properly 
seated in docking station, 
for bent pins on cable, and for 
monitor connection.Go to “A” in
Flowchart 2.6,
No Video, Part 1.Check brightness
of external 
monitor.
Try another
external
monitor.
Internal
and external
video OK?
Go to
Flowchart 2.8,
Nonfunctioning
Docking Station.
YY
Y N
N
N
Remove notebook 
from docking 
station, if 
connected.
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