HP Nc6400 - Compaq Business Notebook Maintenance And Service Guide

2–16 Maintenance and Service Guide
Troubleshooting
Flowchart 2.6—No Video, Part 1
A
N
Stand-alone
or docking
device?
No video.
Replace the following one at a time. Test after each replacement.
1. Cable between computer and computer display (if applicable)
2. Display
3. System board
Internal or
external
display*?
Adjust
brightness.
Video OK? Done
Docking Device
Internal
Stand-alone
External
Adjust
brightness.
Video OK? Done
Y
Press lid
switch to ensure
operation.
Video OK? Done
Y
N
Video OK?
Done
Done
N
Check for bent
pins on cable.
Try
another
display.
Internal and
external
video OK?
Replace
system
board.
YY
N
N
*NOTE: To change from internal to
external display, use the hotkey
combination.
Y
Go to
“Flowchart
2.7—No Video,
Part 2.”

HP Nc6400 - Compaq Business Notebook Specifications

General

Operating System	Windows XP Professional
Networking	10/100/1000 Gigabit Ethernet
Processor	Intel Core 2 Duo
RAM	Up to 4GB DDR2
Storage	80 GB HDD
Display	14.1-inch WXGA (1280 x 800)
Graphics	Intel GMA 950
Battery	6-cell Lithium Ion
Chipset	Intel 945GM Express
Optical Drive	DVD+/-RW
Wireless	Intel PRO/Wireless 3945ABG
Ports	3 USB 2.0, VGA, headphone, microphone, RJ-11, RJ-45
Slots	ExpressCard/54
Dimensions	13.1 x 9.3 x 1.2 in