User Guide
Table Of Contents
- Contents
- Product Description
- Troubleshooting
- Illustrated Parts Catalog
- Removal and Replacement Preliminaries
- Removal and Replacement Procedures
- 5.1 Serial Number
- 5.2 Disassembly Sequence Chart
- 5.3 Preparing the Computer for Disassembly
- 5.4 Computer Feet
- 5.5 Memory Expansion Board
- 5.6 Mini PCI Communications Board
- 5.7 Disk Cell RTC Battery
- 5.8 Connector Cover
- 5.9 LED Cover
- 5.10 Keyboard
- 5.11 Heat Spreader
- 5.12 Processor
- 5.13 Display
- 5.14 Palm Rest
- 5.15 Diskette Drive
- 5.16 TouchPad Components
- 5.17 Display Release Assembly
- 5.18 Charger Board
- 5.19 Speaker Assembly
- 5.20 Top Cover
- 5.21 Fan
- 5.22 System Board
- 5.23 Modem Cable
- Specifications
- Connector Pin Assignments
- Power Cord Set Requirements
- Screw Listing
- Index
![](/manual/compaq/900/user-guide-english/images/img-56.png)
2–30 Maintenance and Service Guide
Troubleshooting
Flowchart 2.20 - No Network or Modem Connection
Y
Disconnect all
power from
the notebook
and open.
No network
or modem
connection.
N
Done
Digital
line?
Network
or modem jack
active?
Replace jack or
have jack
activated.
Connect
to nondigital
line.
NIC/modem
configured
in OS?
Reload
drivers and
reconfigure.
Reseat
NIC/modem
(if applicable).
Replace
NIC/modem
(if applicable).
Replace
system
board.
OK?
OK? Done
N
N
N
N
Y
Y
Y
Y
272638-001.book Page 30 Thursday, July 25, 2002 4:21 PM