Call customer service ** to give some discharge, the operation of the self-test is still the same, and finally it is determined that the motherboard is faulty, and it needs to be repaired and repaired during the warranty period.
The Dell Workstation Precision 5820 doesn't show anything when it is turned on, and the yellow light flashes 4 times. The white light flashes 7 times The motherboard is broken, sometimes the workstation indicator flashes like this: the yellow light flashes 3 times, the white light does not flash, and the motherboard self-test does not pass.
1. In the face of the situation that the Dell computer workstation cannot be turned on, the first thing is to check whether the host power supply is working. Because the power supply is not normal or the motherboard is not powered on, the display does not receive a data signal and obviously does not display. Second, check if the display is powered on.
2. You can also check whether the contact between the graphics card and the display signal line is good. You can unplug it and check if there is bending, broken needles, and a lot of dirt in the D-shaped socket, which is a problem that many users often encounter.
3. Open the case to check whether the graphics card is installed correctly and whether it is in good contact with the motherboard slot.
4. Check whether the slots of other boards are in good contact with the motherboard. The data cable and power cable of the hard disk are plugged incorrectly, which is also easy to cause no display failure.
5. Check whether the contact between the memory module and the motherboard is good, and whether the quality of the memory module is excellent. Plug and unplug the memory module again, or replace it with a new one. If there is a problem with the memory module, the computer will have four consecutive "beeps" when it starts"Sound.
6. Check whether the CPU is in good contact with the motherboard. Due to moving or other factors, the CPU is in poor contact with the Slot1 socket or Socket 7 socket.
7. Check whether the bus frequency, system frequency, and DIMM jumper of the motherboard are correct. Check each jumper one by one according to the motherboard manual, the order is "system frequency jumper - CPU main frequency jumper - DIMM frequency jumper", be careful when setting the CPU voltage jumper, and should not be set too high.
Hardware failure: Hardware issues such as memory module problems, hard drive failures, and motherboard damage can cause your computer to fail to boot.
Workstation Yellow light flashes 3 times. The white light does not flash and the motherboard self-test does not pass. Unplug all the lines at the back. Power cord monitor, keyboard and mouse.
Press and hold the Dell power button for 30 seconds. Then light plug in the power cord. No need to press the power button. The yellow light does not respond when it is turned on. The power on button is off and does not light up. Then press the power button once and try to boot up.
Turn on the yellow light once, and keep the white light on. A solid white light is the start. Wait a minute, then connect the keyboard, mouse, and monitor. If the keyboard and mouse light up, the keyboard lights up twice and then goes off. The monitor is not responding, or the motherboard is malfunctioning.
The power button light is not on, and it is directly extinguished. There is a small black button on the back of the case behind the power supply. Just press it once, and see if the green light of the power handle indicator light is on, and if no light is on. Keep holding down the black button to turn the fan if there is a power indicator on the side. Press it to have a green light on, and then press the boot to start, keyboard and mouse, the yellow light of the host is on, and it will automatically shut down. This is a problem with the motherboard, and the power is automatically turned off.
Common reasons why Dell server workstations won't turn on
Dell server workstations may refuse to turn on, resulting in frustration and potential disruption to your workflow. Understanding the reasons behind this issue and implementing appropriate solutions is essential to get your server workstations up and running again.
1. Power problems: The computer may not turn on due to the battery being drained, the power adapter malfunctioning, or the power interface being loose. The most common reason why a Dell server workstation won't turn on is a power issue. Make sure the power cord is securely connected to the workstation and power outlet. Verify that the power outlet is working properly by plugging in another device. If you suspect that the power supply unit (PSU) is faulty, consider replacing a compatible power supply unit.
2. Overheating: Overheating will cause the Dell server workstation to shut down or fail to turn on. Check for any obvious signs of overheating, such as an overheated power supply or excessive dust buildup inside the workstation. Make sure the station's cooling system, including fans and radiators, is clean and functioning properly. Consider improving ventilation in the server room or relocating workstations to cooler areas.
3. Faulty Hardware Components: Faulty hardware components, such as faulty motherboards, RAM modules, or graphics cards, may prevent the Dell server workstation from turning on. Visually inspect the internal components for any visible damage or loose connections. Try removing and reinstalling the RAM module and expansion card to make sure they are connected correctly. If you suspect a particular component is faulty, consider replacing it with a compatible and tested replacement.
4. BIOS UEFI Configuration Issues: Incorrect BIOS or UEFI settings will prevent the Dell server workstation from booting up. Press the specified key during the boot process to enter the BIOS UEFI settings (usually displayed on the screen). Check the boot order settings to make sure the primary boot device is set up correctly. Reset the BIOS UEFI settings to their defaults if needed.
5. Power Surge Protection: Power surges can damage the internal components of your Dell server workstation, resulting in power-related issues. Make sure your workstation is connected to a surge protector or uninterruptible power supply (UPS) to protect against sudden voltage fluctuations. If a surge protector or UPS is already in use, consider replacing it with a new one if it is outdated or malfunctioning.
6. Firmware Updates: Outdated firmware, including BIOS UEFI, can cause compatibility issues and prevent Dell server workstations from turning on. Check Dell Support** for any available firmware updates specific to your workstation model. Follow the manufacturer's instructions to update the firmware and ensure compatibility with the latest hardware and software components.
7. Professional Assistance: If you have exhausted all possible solutions, but your Dell server workstation still won't turn on, it is recommended that you seek professional assistance. Contact Dell's technical support or consult a qualified technician specializing in Dell server workstations. They will be able to accurately diagnose the problem and provide you with the most appropriate solution. [Dell customer service during the warranty period**: 4008811858 ] [Dell customer service after the warranty period**: 4008868611 or 8008582968] To report for repair, you must report the quick service affixed on the chassis**. Provide this ** customer service to you.
There are several reasons why a Dell server workstation won't turn on. Power supply issues, overheating, hardware component failure, BIOS UEFI configuration issues, power surge protection, outdated firmware, or a combination of these factors can be the cause of the problem. By following the troubleshooting steps above, you can identify the root cause and implement the necessary solutions to get your Dell server workstation back up and running. Remember to use caution when using computer hardware and seek professional help if needed to avoid further damage.
1.Force shutdown and restart: Pressing and holding the power button until your computer shuts down, then pressing the power button again to turn it on may resolve a temporary system issue.
2.Enter Safe Mode: When the computer is turned on, press F8 or other designated keys to enter safe mode, try to fix system errors or uninstall recently installed problematic software.