System Diagnostic Lights - Dell Vostro 3405 Service Manual

Hide thumbs Also See for Vostro 3405:
Table of Contents

Advertisement

SupportAssist opens the basic screen on start. You can switch to the advanced screen using the icon at the bottom left of the
screen. The advanced screen shows detected devices in a tiled format. Specific tests can be included or excluded only in the
advanced mode. The Basic Screen has minimal controls which allows easy navigation for the user to start or stop the
diagnostics.

System diagnostic lights

Battery-status light
Indicates the power and battery-charge status.
Solid white — Power adapter is connected and the battery has more than 5 percent charge.
Amber — Computer is running on battery and the battery has less than 5 percent charge.
Off
● Power adapter is connected and the battery is fully charged.
● Computer is running on battery and the battery has more than 5 percent charge.
● Computer is in sleep state, hibernation, or turned off.
The power and battery-status light blinks amber along with beep codes indicating failures.
For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times
followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.
The following table shows different power and battery-status light patterns and associated problems.
Table 2. LED codes
Diagnostic light codes
2,1
2,2
2,3
2,4
2,5
2,6
2,7
2,8
3,1
3,2
3,3
3,4
3,5
3,6
3,7
Camera status light: Indicates whether the camera is in use.
● Solid white — Camera is in use.
● Off — Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
● Solid white — Caps Lock enabled.
● Off — Caps Lock disabled.
70
Troubleshooting
Problem description
Processor failure
System board: BIOS or ROM (Read-Only Memory) failure
No memory or RAM (Random-Access Memory) detected
Memory or RAM (Random-Access Memory) failure
Invalid memory installed
System-board or chipset error
Display failure
LCD power rail failure. Replace system board and LCD
Coin-cell battery failure
PCI, video card/chip failure
Recovery image not found
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
Management Engine (ME) error

Advertisement

Table of Contents
loading

This manual is also suitable for:

P132g

Table of Contents