Dell Vostro 3525 Service Manual - Page 112

Table 11. System-diagnostic lights continued, Blinking pattern, Problem description

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Table 11. System-diagnostic lights (continued) Blinking pattern Amber White 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 Problem description Suggested resolution System board failure (included ● BIOS corruption or ROM ● error) Flash latest BIOS version If problem persists, replace the system board. No memory/RAM detected ● Confirm that the memory module is installed properly. ● If problem persists, replace the memory module. Memory/RAM failure ● Reset and swap memory modules among the slots. ● If problem persists, replace the memory module. Invalid memory installed ● Reset and swap memory modules among the slots. ● If problem persists, replace the memory module. System board/Chipset Error Replace the system board. LCD failure (SBIOS message) Replace the LCD module. LCD failure (EC detection of power rail failure) Replace the system board. CMOS battery failure ● Reset the main battery connection. ● If problem persists, replace the main battery. PCI or Video card/chip failure Replace the system board. BIOS Recovery image not found BIOS Recovery image found but invalid Power rail failure ● Flash latest BIOS version ● If problem persists, replace the system board. ● Flash latest BIOS version ● If problem persists, replace the system board. Replace the system board. Flash corruption detected by ● SBIOS. ● Press power button for over 25 seconds to do RTC reset. If problem persists, replace the system board. Disconnect all power source (AC, battery, coin cell) and drain flea power by pressing and holding down power button 3~5 seconds to ensure all power are drained. 112 Troubleshooting

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Table 11. System-diagnostic lights (continued)
Blinking pattern
Problem description
Suggested resolution
Amber
White
2
2
System board failure (included
BIOS corruption or ROM
error)
●
Flash latest BIOS version
●
If problem persists,
replace the system board.
2
3
No memory/RAM detected
●
Confirm that the memory
module is installed
properly.
●
If problem persists,
replace the memory
module.
2
4
Memory/RAM failure
●
Reset and swap memory
modules among 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/Chipset Error
Replace the system board.
2
7
LCD failure (SBIOS message)
Replace the LCD module.
2
8
LCD failure (EC detection of
power rail failure)
Replace the system board.
3
1
CMOS battery failure
●
Reset the main battery
connection.
●
If problem persists,
replace the main battery.
3
2
PCI or Video card/chip failure
Replace the system board.
3
3
BIOS Recovery image not
found
●
Flash latest BIOS version
●
If problem persists,
replace the system board.
3
4
BIOS Recovery image found
but invalid
●
Flash latest BIOS version
●
If problem persists,
replace the system board.
3
5
Power rail failure
Replace the system board.
3
6
Flash corruption detected by
SBIOS.
●
Press power button for
over 25 seconds to do
RTC reset. If problem
persists, replace the
system board.
●
Disconnect all power
source (AC, battery, coin
cell) and drain flea power
by pressing and holding
down power button 3~5
seconds to ensure all
power are drained.
112
Troubleshooting