Dell computer error codes are a fast way to diagnose problems with your PC. Most computers come with the ability to produce a BIOS beep code when there is a serious hardware problem that prevents Windows from loading normally. Many Dell models have Dell diagnostic codes, as well as additional diagnostic lights to help users and repair technicians quickly troubleshoot problems.
Dell Computer Error Codes
In addition to a beep code, your Dell PC might have diagnostic lights on the front panel, lights in the rear labeled A,B,C and D and even a power supply LED. These advanced tools can generally point to the problem part if you know what you’re looking for.
Front Panel Lights Dell Computer Error Codes
These lights are located on the front panel. They will change color and blink depending on the issue:
- A solid green light means the computer is powered on and functioning normally.
- A blinking green light means the computer is in stand-by.
- A solid yellow light means there is a device on the motherboard that may not be seated properly.
- A blinking yellow light means there is likely a problem with the motherboard or the power supply.
If you have a solid green light but are still not booting, be sure to check your monitor connection, listen for beeps or check the rear of the PC for additional lights.
Rear Lights Dell Computer Error Codes
Rear LEDS are labled A through D and can change from green to yellow. Some typical LED reading might be:
A – yellow, B – yellow, C – green, D – green <—— Indicates a problem with the RAM.
A – yellow, B – green, C – yellow, D – green <—– Indicates a problem with the video card.
Refer to the Dell website for your specific model, as these lights can vary from model to model.
Dell BIOS Beep Codes
Beeps codes are audible beeps issued by the motherboard BIOS that help diagnose problems with hardware. Refer to the Dell website for your specific model. Some typical Dell BIOS beeps codes are:
3-3-4 is a video test failure.
4-2-2 is a shutdown failure.
3-2-4 is a keyboard controller test failure.
You can download PDF manuals that describe what each Dell computer error codes means for your model computer and it is recommended that you visit the Dell website to make sure the Dell diagnostic code you are hearing matches the explanation we gave above. For addition help, be sure to visit our computer chat room or our computer forums or refer to our other Dell computer tutorials.
I MOVED MY DAUGHTER OVER THE WEEKEND.HER COMPUTER WAS RUNNING FINE.SHE PUT IT IN THE TRUNK OF HER CAR.ONE EDGE OF THE COMPUTER WAS LEANING ON A BOX.IT SLID OFF THAT BOX AND ” DROPPED ” ABOUT 3 INCHES ONTO HER CARPET COVERED TRUNK FLOOR.ONLY THE ONE SIDE ” DROPPED ” AS THE MAJORITY OF THE COMPUTERS WEIGHT WAS ALREADY ON THE TRUNK FLOOR.SHE HAS NOW ATTEMPTED TO HOOK BACK UP AND THE A & B LIGHTS ARE YELLOW/ORANGE.ACCORDING TO CODES LOOKS LIKE A PROBLEM WITH THE RAM.DO YOU THINK MAYBE THE RAM WAS JARRED LOOSE FROM THIS 3 INCH DROP?ARE THEY THAT SENSITIVE?IT WAS A SOFT SHORT DROP.SOUNDS LIKE I NEED TO TAKE IT TO MY LOCAL COMPUTER REPAIR SHOP.THANKS MARK
You can either take it in to the shop–or if you’re handy, you can unplug the machine and reseat the RAM chips. If you need further instruction, please feel free to join our free forums.
my dell 1525 inspiron 32byt does not respond to messanger anymore,google and rest of internet seems allright. First I get this logo coming up msnmsgr.exe Bad Image. Then comes something about cryptnett dll not designed to run on windows and finally, Dell dock language file failed to load, check dell dock installation.
Try System Restore. Start>Programs>Accessories>System Tools>System Restore. Go back to a date when it was working.
my computer is connected but when my windows internet explorer screen comes up it blanks out. what can i do to fix this problem.Thank you
You mean it crashed back to the desktop? I would start by going into the control panel, then select Internet Options. Under tools>internet options>advanced, see if you have a button that says RESET. If you do, click it. If not, you will need to try and run Windows Update form the start menu and update Internet Explorer to the latest version.
I just recieved a PC from a friend who wanted me to take a look at it and see if it is worth the price to fix it. He told me a couple months ago it was making a very loud noise when he had it on and then one day it just shut off and now it doesn’t work. I am trying to figure out what it is wrong with it. I hooked it up to my monitor and turned it on. It was making a very loud noise coming from the fan. I took it apart and found the sticker from the fan fell off and was stuck in the fan which is why it wasn’t running. I put it back together and tried to turn it on. It turns on, it will have the DELL boot picture come on and I can access F2,F8,ANDF12. I tried last known good configuration which usually works on my pc, but it didn’t do anything. I tried several different options but the OS just won’t boot up. Does anyone have any idea what else could be wrong with this pc or any other trouble shooting I could do to try and fix this???
Did you say F8 works? So you can get into afe Mode? If so, do a system restore and see if that helps.
please, i have dell dimenson 4400 tower, when when it boot up there is error massenge from the CMOS, i setup date and time correctly it doe’st work , i replaced the CMOS Battery the same error occur . PLEASE I NEED YOUR HELP .
Need help with a Dell Dimension 3000, which on boot only lights a steady green and yellow light. Everything else is quiet….no fan or anything. Please help with any suggestion as to the problem.
Thank you.