‎Optiplex 780 diagnostic lights 1 & 4 with solid amber power light

2 Amber 7 White Dell. DELL LATOP 153411 2 amber 7 white light blinking problem no display To check if the screen is working run the LCD Bist Test All the while the front led is blinking 2 amber flashes and 7.

8 white 2 amber flashing 7390 2in1 Dell
8 white 2 amber flashing 7390 2in1 Dell from www.reddit.com

The only action that occurs is the 2 amber lights and 7 white blinks on the battery indicator If you are facing, 2 amber 7 white led blink in the dell, the quickest thing you must do is to run a self-test for your system

8 white 2 amber flashing 7390 2in1 Dell

According to the Dell Service Manual this pattern indicates a Display failure These notebooks rely on the Battery LED light blinking amber/white pattern to determine failures listed in the following table: The blinking patterns will consist of 2 sets of numbers being represented by (First Group: Amber blinks, Second Group: White blinks) First Group: The LED blinks 1 to 9 times followed by a brief pause with LED off at the interval of 1.5 seconds. Self-test, when run successfully, would help you identify the problem with your dell system, which is showing 2 amber 7 white in the Dell.

Dell XPS 15 9570 Front LED Blinking 2 Amber and 7 White Flashes Dell. Press and hold D while turning on your dell system The only action that occurs is the 2 amber lights and 7 white blinks on the battery indicator

8 white 2 amber flashing 7390 2in1 Dell. 2: 6: BIOS state 2: BIOS Post code (Old LED pattern 0010) CPU config or CPU failure A few years ago, days after my Dell XPS 9360 QHD+ touchscreen arrived, there was some distortion on the screen, and over the following weeks they sent three technicians, and the screen and motherboard were replaced but since there has been an intermittent issue, not with distortion but with the display no longer working, and the front LED light code: 2 amber, 7 white: LCD failure.