compaq armada 110 User Manual

							2–8Maintenance and Service Guide
Troubleshooting
2.5 No Power, Part 4
Y
N
Continued from 
Section 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 the components. 
						

							Troubleshooting
Maintenance and Service Guide2–9
2.6 No Video, Part 1
A
N
Standalone
or Docking
Station? No Video
Replace one at a time. Test after each item:
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
Standalone
External
Adjust
brightness.
Video OK? Done
Y
Depress 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
* Note: To change from internal to 
external display, use the hotkey 
combination.
Y
Go to
Section 2.7,
No Video, Part 2 
						

							2–10Maintenance and Service Guide
Troubleshooting
2.7 No Video, Part 2
Y
N
Continued from
Section 2.6,
No Video, Part 1
Done Video OK?
Adjust external
monitor display. Adjust
display
brightness.
Video OK?Video OK?
Done Done
Check for notebook properly 
seated in docking station, bent 
pins on cable, and for monitor 
connection.Go to “A” in
Section 2.6,
No Video, Part 1.Check brightness
of external 
monitor.
Try another
external
monitor.
Internal
and external
video OK?
Go to Section 2.8,
Non-Functioning
Docking Station.
YY
Y N
N
N
Remove 
notebook from 
docking station, 
if connected. 
						

							Troubleshooting
Maintenance and Service Guide2–11
2.8 Non-Functioning Docking Station
(if applicable)
Y
N
Reseat power 
cord in docking
station and
power outlet.
N
Replace these docking station componentsone at a time. Check computer operation 
after each replacement:
1. Power supply
2. I/O board
3. Backplane board
4. Switch box
5. Docking motor mechanism
Check voltage 
setting on 
docking station.
Reset monitor 
cable connector at 
docking station.Reinstall 
notebook into 
docking station.
Docking
station
operating?
Docking
station
operating?
Remove 
notebook, reseat 
all internal parts, 
and replace any 
damaged items in 
docking station.DoneDone
Y 
						

							2–12Maintenance and Service Guide
Troubleshooting
2.9 No Operating System (OS) Loading
Hard drive,
go to
Section 2.10.
Reseat power 
cord in docking
station and
power outlet.
Diskette drive,
go to
Section 2.13.
CD-/DVD-ROM 
drive,
go to
Section 2.14.
Network,
go to
Section 2.20.
NOTE: Before beginning, always check 
cable connections, cable ends, and drives 
for bent or damaged pins. 
						

							Troubleshooting
Maintenance and Service Guide2–13
2.10 No OS Loading from Hard Drive, Part 1
Go to
Section 2.17,
Non-Functioning
Device.
Y
Done
N
OS not
loading from
hard drive.
Non-
system disk
message?Go to
Section 2.11,
No OS Loading 
from Hard Drive, 
part 2.
Reseat
external
hard drive.
OS loading?
Done
Boot
from
CD?
Go to
Section 2.13,
No OS
Loading from
Diskette Drive.
Boot
from
hard drive?
Boot
from
diskette?
Change boot
priority through
the setup utility
and reboot.
Boot
from
hard drive?
Y Y
Y YY
N N
N N N
Check the setup 
utility for correct 
booting order. 
						

							2–14Maintenance and Service Guide
Troubleshooting
2.11 No OS Loading from Hard Drive, Part 2
Continued from
Section 2.10,
No OS Loading 
from Hard Drive, 
Part 1
Reseat
hard drive.
Done CD or
diskette in
drive?1. Replace hard 
drive.
2. Replace system 
board.
Go to
Section 2.12,
No OS Loading 
from Diskette 
Drive.
Load OS using 
Restore CD if 
applicable (see 
note). Format hard drive 
and bring to a 
bootable C: 
prompt.Create partition, 
then format hard 
drive to bootable 
C: prompt.
Boot
from diskette
drive? Remove
diskette and 
reboot.
YN
Boot
from
hard drive?
Y
N
YN
Access
hard
drive?
YN
Access
hard drive?Done
Run FDISK.
Y
N
Hard drive
partition?
Hard drive
formatted?
YN
YN
Computer
boot?
Done
Y
N
Go to
Section 2.13,
No OS Loading 
from Hard Drive,
Part 3.Go to
Section 2.13,
No OS Loading 
from Hard Drive,
Part 3. 
						

							Troubleshooting
Maintenance and Service Guide2–15
2.12 No OS Loading from Hard Drive, Part 3
Y
System
files on hard
drive? Continued from 
Section 2.11,
No OS Loading 
from Hard Drive,
Part 2.
Clean virus
(see note).Done
N
Install OS
and reboot
(see note).
Virus
on hard
drive?OS
loading from
hard drive?
Y
NY
N
Y
N
Diags
on diskette?Replace
hard drive.
Run diags and
follow
recommendations Run SCANDISK,
check for bad
sectors.
Can bad
sectors
be fixed?Replace
hard drive.
YN
YN
Fix bad
sectors.Boot from
hard drive?Replace
hard drive.
Done 
						

							2–16Maintenance and Service Guide
Troubleshooting
2.13 No OS Loading from Diskette Drive
Done
Y
N
Reseat
diskette drive. OS not loading
from
diskette drive.
Done
Y
YY Y
Y
Y Y N
N
N NN
NN
OS
loading?
Non-
System Disk
message?Bootable
diskette
in drive?Install bootable
diskette and
reboot computer.
Check diskette
for system files.
Try different 
diskette.
1. Replace 
diskette drive.
2. Replace system 
board. Non System
Disk error?
OS
loading? Boot
from another
device?
Enable drive
and cold boot
computer.
Diskette
drive boot
order.
Change boot
priority using
the setup utility.Go to
Section 2.17,
Non-Functioning
Device.
Diskette
drive enabled
in the setup 
utility?
Go to
Section 2.17,
Non-Functioning
Device Clear CMOS. 
Refer to Section 
1.2, “Security,” 
for instructions. 
						

							Troubleshooting
Maintenance and Service Guide2–17
2.14 No OS Loading from CD- or DVD-ROM Drive
Y
Done
N
Bootable
disk in
drive? Disk
in drive?No OS
loading from
CD- or
DVD-ROM drive.Install bootable
disk and
reboot
computer.
Go to
Section 2.17,
Non-Functioning
Device.
Go to
Section 2.17,
Non-Functioning
Device Install
bootable disk.
Boots from
CD or DVD?
Boots from
CD or DVD?Try another
bootable
disk.
Booting
from another
device?
Booting
order
correct?
Correct boot 
order using
the setup utility.Done Reseat
drive.
Y
YY Y
Y
N NN
N
N
Clear CMOS. 
Refer to Section 
1.2, “Security,” 
for instructions.