Error Codes and Beep Codes

This page gives an overview on hexadecimal and beep error codes generated by the BIOS or UEFI.

Hexadecimal Error Codes

Error code	Error description	Possible meanings
0175	Bad CRC1, stop POST task. The EEPROM checksum is not correct.	corrupted or damaged EEPROM chip
0176	System Security. The system has been tampered with.	dead RTC battery
0177	Bad SVP data, stop POST task.	corrupted or damaged EEPROM chip
0182	Bad CRC2. Enter BIOS Setup and load Setup Defaults.	dead RTC battery
0185	Bad startup sequence settings. Enter BIOS Setup and load setup defaults.	incorrect boot order set dead RTC battery
0187	EAIA data access error. The access to EEPROM has failed.	dead EEPROM chip
0188	Invalid RFID serialization information area or bad CRC2. The EEPROM checksum is not correct.	corrupted or damaged EEPROM chip malfunctioning ADP3421 voltage regulator, related to the blink of death
0189	Invalid RFID configuration information area. The EEPROM checksum is not correct.	corrupted or damaged EEPROM chip
0190	Critical low battery error.	low energy on battery
0191	System Security. Invalid Remote Change requested.	dead RTC battery corrupted or damaged embedded security subsystem chip
0192	System Security. Embedded Security hardware tamper detected.	loose, corrupted, or damaged embedded security subsystem chip
0195	Security hardware tamper detected	loose, corrupted, or damaged embedded security subsystem chip
0196	Security hardware removed	loose or dead embedded security subsystem chip

Beep Error Codes

Beep signal	Additional indicators	Possible meanings
0 beeps	cooling fan spins up power-on LED status indicator is lit green or amber	unsupported or dead processor malfunctioning or dead RAM module dead motherboard
continuous beep	blank image on display panel	dead motherboard
1 beep	unreadable, garbled, blank or blinking images on the display panel	loose or damaged display panel cable malfunctioning or dead display panel inverter malfunctioning or dead display panel backlight malfunctioning display panel logic board malfunctioning graphics chip dead motherboard
1 beep	"Unable to access boot source" is displayed on the display panel	malfunctioning or dead boot device malfunctioning or dead I/O controller
1 long beep and 2 short beeps	blank image on display panel	unsupported, loose, or dead graphics chip dead display panel logic board dead motherboard
1 beep, 3 short beeps, 3 short beeps, and 1 beep	blank image on display panel	loose or damaged RAM slot malfunctioning or dead RAM module
1 long beep and 4 short beeps	blank image on display panel	low battery voltage
1 beep for every second passed	blank image on display panel	low battery voltage
2 short beeps	any hexadecimal error code displayed on the display panel	refer to the hexadecimal error codes list for more details
2 short beeps	blank image on display panel	dead motherboard
5 short beeps	blank image on display panel	dead motherboard