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
Power and battery-status light
Indicates the power and battery-charge status.
Solid white
—Power adapter is connected and the battery has more than 5% charge.
Amber
—Computer is running on battery and the battery has less than 5% charge.
Off
●
Power adapter is connected, and the battery is fully charged.
●
Computer is running on battery, and the battery has more than 5% 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 3. LED codes
Diagnostic light codes
Problem description
Recommended solutions
1,1
TPM detection failure
Replace the system board.
1,2
Unrecoverable SPI Flash failure
Replace the system board.
1,3
Short in hinge cable tripped OCP1
Check if the display cable (EDP) is seated
properly or pinched at the hinges. If problem
persists, replace either display cable (EDP) or
display assembly (LCD).
1,4
Short in hinge cable tripped OCP2
Check if the display cable (EDP) is seated
properly or pinched at the hinges. If problem
persists, replace either display cable (EDP) or
display assembly (LCD).
1,5
EC unable to program i-Fuse
Replace the system board.
1,6
Generic catch-all for ungraceful EC code flow
errors
Disconnect all power source (AC, battery,
coin cell) and drain flea power by pressing &
holding down power button.
2,1
Processor failure
Run the Intel CPU diagnostics tools. If
problem persists, replace the system board.
2,2
System board: BIOS or ROM (Read-Only
Memory) failure
Flash latest BIOS version. If problem persists,
replace the system board.
2,3
No memory or RAM (Random-Access Memory)
detected
Confirm that the memory module is installed
properly. If problem persists, replace the
memory module.
2,4
Memory or RAM (Random-Access Memory)
failure
Reset and swap memory modules amongst
the slots. If problem persists, replace the
memory module.
2,5
Invalid memory installed
Reset and swap memory modules among the
slots. If problem persists, replace the memory
module.
2,6
System-board or chipset error
Flash latest BIOS version. If problem persists,
replace the system board.
Troubleshooting
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Содержание Vostro 3401
Страница 1: ...Vostro 3401 Service Manual Regulatory Model P132G Regulatory Type P132G001 September 2020 Rev A00 ...
Страница 5: ...WiFi power cycle 86 Chapter 6 Getting help 87 Contacting Dell 87 Contents 5 ...
Страница 15: ...3 Exploded View 15 ...
Страница 16: ...Exploded View 16 Exploded View ...
Страница 21: ...About this task Disassembly and reassembly 21 ...
Страница 23: ...About this task Disassembly and reassembly 23 ...
Страница 52: ...Steps 1 Disconnect the display cable from the connector on the system board 52 Disassembly and reassembly ...
Страница 62: ...About this task 62 Disassembly and reassembly ...
Страница 64: ...About this task 64 Disassembly and reassembly ...
Страница 69: ...About this task Disassembly and reassembly 69 ...
Страница 71: ...About this task Disassembly and reassembly 71 ...
Страница 77: ...About this task Disassembly and reassembly 77 ...
Страница 79: ...About this task Disassembly and reassembly 79 ...