Diagnosing and Resolving a Black Screen with 99 Error Code on Your Computer and Monitor
When your computer screen turns black and displays the number 99 in the corner, it can be alarming. However, this issue can often be resolved with some basic troubleshooting steps. Below, we outline a detailed guide to help you identify and address the problem.
Checking Connections
The first thing to check is your device's connections. Ensuring that all cables are properly connected can solve many display issues:
Ensure that all cables (HDMI, DisplayPort, etc.) are securely connected to both the monitor and the computer. Try using different cables or ports if they are available.Power Cycling
A simple power cycle can reset your system and might resolve the issue:
Turn off your computer and monitor. Unplug them from the power source for a few minutes. Plug them back in and power them on.Monitor Issues
There might be an issue with your monitor itself. Try the following steps:
Test the monitor with another computer or device to determine if the monitor is functioning properly. If you have another monitor, connect it to your computer to see if the issue persists.Checking for Hardware Issues
The problem might be with your computer's hardware. Here are steps to investigate:
If comfortable, open the computer case and check for any loose components, particularly the RAM and graphics card. Reseat them if necessary. Look for any signs of damage such as burnt components or unusual smells.BIOS/UEFI Issues
If the above steps do not resolve the issue, it might be related to the BIOS/UEFI:
Entering the BIOS/UEFI settings might provide more clues about the problem. Ensure you understand how to access and navigate the BIOS/UEFI settings if you decide to do so.Consulting the Manual
Refer to your motherboard's manual for specific error codes. These manuals often contain detailed instructions on how to interpret and resolve issues:
Follow the instructions in the manual closely to determine the cause of the 99 error and take corrective actions.Seeking Professional Help
If you are still unable to resolve the issue, it might be time to seek professional help:
Consider consulting a professional technician to diagnose and fix the problem.Additional Tips for Resolving the 99 Error Code:
99 is a code that often indicates a more serious problem. The following steps can be taken to further investigate and potentially resolve the issue:
Check for damaged USB ports and remove every device connected to your machine. Reset the BIOS if possible. Remove hard drives, additional cards, sound, and graphics, as well as RAM modules. This might help isolate the issue. Try using one RAM module at a time without a hard drive to see if the problem persists. If the problem resolves, you might need to replace the motherboard (MB). Your motherboard may be kaput, all washed up, burned out, cooked, dead, or done for. It needs to be replaced. Check your machine's cooling system for potential heat-related issues.By following these steps, you can determine the cause of the black screen and the 99 error code and take corrective actions. If the problem persists, it might be time to seek professional assistance.