Dell P166G User Manual

Table 45. System-diagnostic lights(continued)
Blinking pattern
Problem description Suggested resolutionAmber White
2 6 System board or 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 the problem persists,
replace the main battery.
3 2 PCI or Video card or chip
failure
Replace the system board.
3 3 BIOS Recovery image not
found
● Flash latest BIOS version
● If the problem persists,
replace the system board.
3 4 BIOS Recovery image found
but invalid
● Flash latest BIOS version
● If the problem persists,
replace the system board.
3 5 Power rail failure
Replace the system board.
3 6 Flash corruption is detected
by SBIOS.
● Press the power button
for over 25 seconds to
do RTC reset. If the
problem persists, replace
the system board.
●
Disconnect all power
source (AC, battery, coin
cell) and drain flea power
by pressing and holding
down the power button
3~5 seconds to ensure all
power are drained.
● Run "BIOS recovery from
USB", and the instructions
are in the website
Dell
support.
● If the problem persists,
replace the system board.
3 7 Timeout waiting on ME to
reply to HECI message.
Replace the system board.
NOTE: Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Num-Lock), Power button LED (without Fingerprint reader), and
Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance
Check diagnostics.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a stand-alone tool that is preinstalled in all Dell computers that are installed with the Windows
operating system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the
120
Troubleshooting

Dell P166G Specifications

General

Brand	Dell
Model	P166G
Category	Laptop
Language	English