Dell Precision Mobile-produkter har en lang tradition for integrerede diagnosticeringsindikatorer. Angiver, på hvilket tidspunkt under POST (Power-On Self-Test) en bærbar pc har problemer. Disse kan være:
Følgende artikel er en referenceguide til de koder, der er tilgængelige på hver model, og hvad koderne betyder. Disse ændrer sig fra model til model og fra år til år. Disse indikatorer er blot et udgangspunkt for at indsnævre enhver fejlfinding, du udfører, for at identificere årsagen til dit aktuelle problem. Du kan bruge dette som udgangspunkt for at indsnævre den korrekte fejlfindingsvejledning, du har brug for. Alternativt kan du kontakte teknisk support for yderligere hjælp, og de leder også efter disse indikatorer.
Med denne serie af bærbare computere blev diagnosticeringsindikatorerne ændret til kun at bruge følgende metode:
Denne metode bruger kun batteri-LED'en som indikator. Den diagnostiske LED er nu tilstanden og farven på batteri-LED'en, når den blinker mod dig.
Strømkilde | LED-funktion | Systemets strømtilstand | Batteriniveau |
---|---|---|---|
AC Adapter |
|
On (S0) - Off (S5) |
Fully Charged |
AC Adapter |
|
S0 - S5 |
Less than Fully Charged |
Battery |
|
Hibernate (S4) - S5 |
11-100% |
Battery |
|
S4 - S5 |
Less than 10% |
BEMÆRK: Disse bærbare computere er afhængige af, at batteriopladnings-LED'en blinker gult eller hvidt i et mønster for at kunne registrere de fejl, der er angivet i den følgende tabel:
De blinkende mønstre består af to sæt tal, der repræsenterer: (Første gruppe: Ravgul blinker, anden gruppe: Hvid blinker).
Følgende tabel indeholder oplysninger om de gule og hvide blinkemønstre med mulige fejlfindingstrin:
LED-blinkesekvens | Beskrivelse af fejl | Fejl |
---|---|---|
1,1 |
Trusted Platform Module (TPM) Detection Failure |
Motherboard Error |
1,2 |
SPI Flash Failure |
Motherboard Error |
1, 3 |
Hinge Cable Short tripped OCP1 |
|
1, 4 |
Hinge Cable Short tripped OCP2 |
|
1,5 |
Embedded Controller (EC) unable to program i-Fuse |
Motherboard Error |
1,6 |
EC Code flow errors |
Power Issue |
2,1 |
Central Processor Unit (CPU) |
Possible CPU Failure |
2,2 |
Motherboard Basic input Output Setup (BIOS) |
Motherboard Covers BIOS Corruption, or Read-Only Memory (ROM) Error |
2,3 |
Memory |
No memory or Random Access Memory (RAM) detected |
2,4 |
Memory |
Memory or RAM failure |
2,5 |
Memory |
Invalid Memory Installed |
2,6 |
Motherboard Chipset |
Motherboard or Chipset Error |
2,7 |
Liquid Crystal Display (LCD) |
LCD Failure |
2,8 |
LCD |
Motherboard Failure |
3,1 |
Real-Time Clock (RTC) Power Failure |
Complementary Metal-Oxide Semi-Conductor (CMOS) Battery Failure |
3,2 |
Peripheral Component Interconnect (PCI) or Video |
PCI, or Video Card or Chip Failure |
3,4 |
BIOS Recovery 2 |
Recovery Image Found But Invalid |
3,5 |
Power Rail Failure |
EC ran into power sequencing failure |
3,6 |
System Management BIOS (SBIOS) Flash Corruption |
Flash corruption detected by SBIOS |
3,7 |
Management Engine (ME) Error |
Timeout waiting on ME to reply to Host Embedded Controller Interface (HECI) |
4,1 |
Memory Dual Inline memory modeul (DIMM) power rail failure |
Reset and swap the memory among the available slots. If issue persists memory module failure |
4,2 |
CPU Power Cable Connection issue |
Run the Power Supply Unit (PSU) Bult-In Self-Test (BIST). If issue continues Motherboard, PSU, and cabling failure |
Med denne serie af bærbare computere blev diagnostiske LED'er ændret til at bruge to forskellige metoder afhængigt af modellen på den bærbare computer, du har:
LED-strømindikatortilstand | Beskrivelse |
---|---|
|
|
|
Boot Failure - This is a system fault error condition, including the power supply. Only the +5VSB rail on the power supply is working correctly. |
|
Boot Failure - The computer is receiving electrical power, and power supplied by the power supply is normal. A device might be malfunctioning or incorrectly installed. Refer to the table below for Amber Blinking Pattern diagnostics suggestion and possible failures. |
|
The system is in S0 state, the normal power state of a functioning machine. The BIOS will turn the LED to this state to indicate it has started fetching opcodes. |
|
The system is in a low power state, either S1 or S3. This does not indicate a fault condition. |
LED-funktion | Problembeskrivelse | Næste trin |
---|---|---|
1 |
System Board: BIOS, ROM Failure |
|
2 |
No Memory or RAM detected |
|
3 |
System board, Chipset Error, Clock Failure, Gate A20 Failure, Super I/O Failure, Keyboard controller failure |
|
4 |
Memory or RAM failure |
|
5 |
CMOS battery failure |
|
6 |
Video card or chip failure |
|
7 |
CPU Failure |
|
LED-strømindikatortilstand | Beskrivelse |
---|---|
|
|
|
The system is in S0 state, the normal power state of a functioning machine. The BIOS will turn the LED to this state to indicate it has started fetching opcodes. |
|
The system is in a low power state, either S1 or S3. This does not indicate a fault condition. |
LED-funktion | Problembeskrivelse | Næste trin | |
---|---|---|---|
Amber | Hvid | ||
2 |
1 |
CPU Failure |
|
2 |
2 |
System Board: BIOS, ROM Failure |
|
2 |
3 |
No Memory / RAM detected |
|
2 |
4 |
Memory / RAM failure |
|
2 |
5 |
Invalid Memory Installed |
|
2 |
6 |
System board, Chipset Error |
|
2 |
7 |
System board, LCD |
|
3 |
1 |
CMOS battery failure |
|
3 |
2 |
PCI or Video card/chip failure |
|
3 |
3 |
BIOS Recovery 1 |
|
3 |
4 |
BIOS Recovery 2 |
|
3 |
5 |
Power Rail Failure |
|
3 |
6 |
SBIOS Flash Corruption |
|
3 |
7 |
ME Error |
|
Dette angiver LED-koderne for styring af batteristrøm.
LED-funktion | Batteristatus |
---|---|
Blinking Amber and White light (repeated) |
An unauthenticated or unsupported non-Dell AC adapter is plugged to your notebook |
Blinking Amber and Steady White light (repeated) |
Temporary battery failure with AC adapter present |
Constantly blinking Amber |
Fatal battery failure with AC adapter present |
Solid White |
The battery in charge mode with AC Adapter |
Light off |
The battery in full charge mode with AC adapter present |
Light off |
The battery in full charge mode without AC adapter present |
Solid Amber |
Battery charge is critically slow (approx. 30 minutes or less of battery life remaining), without AC adapter present |
Med denne serie blev de diagnostiske LED-indikatorer ændret til kun at bruge LED-indikatorer for systemstatus. LED-indikatorerne for diagnosticering er nu indikatoren for harddiskaktivitet, batteriindikatoren og Wi-Fi-indikatoren.
Ikon | Beskrivelse |
---|---|
|
HDD activity light - Turns white when the laptop reads or writes data |
|
Battery indicator light - Turns on steadily or blinks to indicate battery charge status |
|
Wi-Fi light - Turns on when wireless networking is enabled |
Hvis den bærbare computer er tilsluttet en stikkontakt, fungerer strøm- og batteriindikatoren på følgende måde:
LED-funktion | Beskrivelse |
---|---|
Solid white color |
Battery charging with AC adapter |
Pulsing white color (slow increase/decrease in illumination) |
The system in Standby, Battery charging with AC adapter |
Off |
System Off, Battery charging with AC adapter (power >90%) |
Diagnostisk LED-indikator | Beskrivelse | Næste skridt | ||
---|---|---|---|---|
Harddisk eller storage-LED ![]() |
LED-indikator for batteri ![]() |
LED-indikator for trådløs ![]() |
||
Blinking |
Solid |
Solid |
The microcontroller is handing control of the system to the processor. This code persists if no processor is detected |
|
Solid |
Blinking |
Solid |
The memory has encountered an error |
|
Blinking |
Blinking |
Blinking |
A system board component is faulty |
|
Blinking |
Blinking |
Solid |
The video card is preventing the system from completing POST |
|
Blinking |
Blinking |
Off |
The keyboard is preventing the system from completing POST |
|
Blinking |
Off |
Blinking |
The USB controller encountered a problem during initialization |
|
Solid |
Blinking |
Blinking |
No SODIMM memory modules are installed |
|
Blinking |
Solid |
Blinking |
The LCD encountered a problem during initialization |
|
Off |
Blinking |
Blinking |
The modem is preventing the system from completing POST |
|
LED-funktion | Beskrivelse |
---|---|
Alternately blinking amber light and blue light |
An unauthenticated or unsupported, non-Dell AC adapter is attached to your laptop |
Alternately blinking amber light with steady blue light |
Temporary battery failure with AC adapter present |
Constantly blinking amber light |
Fatal battery failure with AC adapter present |
Light off |
The battery in full charge mode with AC adapter present |
Blue light on |
The battery in charge mode with AC adapter present |
Denne serie havde en kombination af LED-indikatorer for tastaturstatus med LED-indikatorer for systemstatus på kabinettet.
Disse modeller havde en blok af tastaturstatus-LED'er på forsiden af kabinettet, der enten lyste konstant grønt, blinkede grønt eller var slukket. Dell Technology har inkluderet en tabel nedenfor med, hvad disse indikerer.
Ikon | Beskrivelse |
---|---|
![]() |
Caps Lock light - Turns on when the Caps Lock is engaged |
![]() |
Scroll Lock light - Turns on when the Scroll Lock is engaged |
![]() |
Number Lock light - Turns on when the Number Lock is enabled |
LED-mønster (1, 2, 3) |
LED-mønster |
Beskrivelse | Næste skridt |
---|---|---|---|
![]() |
ON-FLASH-FLASH |
No SODIMMs are installed |
|
![]() |
FLASH-ON-ON |
System board error |
|
![]() |
FLASH-ON-FLASH |
LCD Panel Error |
|
![]() |
OFF-FLASH-OFF |
Memory compatibility error |
|
![]() |
ON-FLASH-ON |
Memory is detected but has errors |
|
![]() |
OFF-FLASH-FLASH |
Modem Error |
|
![]() |
FLASH-FLASH-FLASH |
System board error |
|
![]() |
FLASH-FLASH-OFF |
Option ROM Error |
|
![]() |
OFF-ON-OFF |
Storage device error |
|
![]() |
FLASH-FLASH-ON |
Video card error |
|
Hvis den bærbare computer er tilsluttet en stikkontakt, virker batteriindikatoren på følgende måde:
Du kan kontrollere batteriopladningen ved at trykke på statusknappen på batteriopladningsmåleren og slippe den for at tænde opladningsniveauindikatorerne. Hver indikator repræsenterer cirka 20 procent af den samlede batteriopladning. For eksempel, hvis fire lys er tændt, har batteriet 80 procent af sin opladning tilbage. Hvis der ikke vises lys, er batteriet ikke opladet.
Du kan kontrollere batteristatus ved hjælp af opladningsmåleren ved at holde statusknappen på batteriopladningsmåleren nede i mindst 3 sekunder. Hvis der ikke vises lys, er batteriet i god stand, og mere end 80 procent af dets oprindelige opladningskapacitet er tilbage. Hvert lys repræsenterer en trinvis forringelse. Hvis der vises fem lys, er der mindre end 60 procent af opladningskapaciteten tilbage, og du bør overveje at udskifte batteriet.
Mobile Dell Precision-workstations har en lang tradition for integrerede diagnosticeringsindikatorer. Det kan være hørbare bip og specifikke diagnosticerings-LED-indikatorer, der angiver, når der under POST (Power On Self-Test) opstår problemer med en bærbar computer.
Disse modeller havde en blok af tastaturstatus-LED'er på forsiden af kabinettet, der enten lyste konstant grønt, blinkede grønt eller var slukket. Dell Technologies har inkluderet en tabel nedenfor med, hvad disse angiver.
Ikon | Beskrivelse |
---|---|
![]() |
Caps Lock light - Turns on when the Caps Lock is engaged |
![]() |
Scroll Lock light - Turns on when the Scroll Lock is engaged |
![]() |
Number Lock light - Turns on when the Number Lock is enabled |
Blinkkode | LED-mønster | Beskrivelse | Næste skridt |
---|---|---|---|
|
Flash-On-On |
The microcontroller is handing control of the system to the processor. This code persists if no processor is detected. |
|
|
On-Flash-On |
The memory has encountered an error. |
|
|
Flash-Flash-Flash |
A system board component is faulty. |
|
|
Flash-Flash-On |
The video card is preventing the system from completing POST. |
|
|
Flash-Flash-Off |
The keyboard is preventing the system from completing POST. |
|
|
Flash-Off-Flash |
The USB controller encountered a problem during initialization. |
|
|
On-Flash-Flash |
No SODIMMs are installed. |
|
|
Flash-On-Flash |
The LCD encountered a problem during initialization. |
|
|
Off-Flash-Flash |
The modem is preventing the system from completing POST. |
|
Hvis den bærbare computer er tilsluttet en stikkontakt, virker batteriindikatoren på følgende måde:
Hvis den bærbare computer kører på et batteri, fungerer lampen på følgende måde:
Se tabellen for definitioner af akronymerne i denne artikel.
Forkortelse | Definition |
---|---|
BIOS |
Basic Input/Output System |
CFG |
Resource Configuration |
CPU |
Central Processing Unit |
DIMM |
Dual In-line Memory Module |
DMA |
Direct Memory Access |
EC |
Embedded Controller |
HECI |
Host Embedded Controller Interface |
LCD |
Liquid Crystal Display |
LED |
Light Emitting Diode |
MBF |
Motherboard Failure |
MBIST |
Memory Built-in Self Test |
ME |
Management Engine |
MEM |
Memory |
NVRAM |
Non-Volatile Random Access Memory |
PCI |
Peripheral Component Interconnect |
POV |
Post-video Activity |
PRV |
Pre-video Activity |
PSU |
Power Supply Unit |
RAM |
Random Access Memory |
RCM |
Recovery Mode |
ROM |
Read Only Memory |
RTC |
Real Time Clock |
S0 |
System Power State S0 – This is the Working State, where your Windows PC is awake. |
S1 |
System Power State S1 – In this sleep state, the CPU is stopped, and your computer is in standby mode. |
S2 |
System Power State S2 – This state is similar to S1 except that the CPU and system cache are lost because the processor loses power. |
S3 |
System Power State S3 – In this state, data is saved to RAM, hard drives, and other hardware are shut down. |
S4 |
System Power State S4 – In this state, RAM and other data are saved to the hard disk. |
S5 |
System Power State S5 - The System is off. |
SBIOS |
Small Board Interface Operating System |
SPI |
Serial Peripheral Interface |
STD |
Boot Hand Off |
STO |
Storage Device |
TPM |
Trusted Platform Module |
USB |
Universal Serial Bus |
VID |
Video |
Hvis du har brug for mere hjælp, skal du kontakte Dells tekniske support.
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