Are you annoyed about the problem that your PC powers on but it remains on black screen? This article will guide you to troubleshoot and eliminate it step by step.
After your computer powers on, you can see the lights twinkling on the case and hear all sounds in proper running. However, nothing shows up on the computers screen, namely black screen. There are multiple possible reasons for this issue. In the followings, we’ll expose the common causes and 9 recommended solutions to you.
1. Check Monitor
In prior to taking those complicated measures, you had better firstly test your PC monitor. At times, it is very likely that your computer system does work fine, yet, something wrong occurs to the PC monitor.
2. Ensure PC Has Completely Restarted
If monitor works properly, you need to make sure that your computer starts from a totally powered-off status. Sometimes, your computer was actually in “Sleep” or “Hibernate” mode. Then, when computer powers on, screen may keep in black.
3. Test Power Supply Voltage Switch
Besides, you need to make sure that power supply voltage switch of your PC is set properly. This small switch is located on the back of the Desktop computer. It is in charge of how much power is coming from the power source. So, if it is incorrect, you may encounter this issue, too.
4. Clear BIOS Memory
Sometimes, this issue stems from the BIOS misconfiguration. To solve it, you need to clear the BIOS memory on your motherboard, which refers to restore the BIOS settings to its factory settings. Only in this way, all incorrect misconfigurations will be eradicated.
5. Reseat PC Components
Furthermore, there are chances that some critical components in your computer are misaligned or misplaced, such as the internal power cables, memory modules, any expansion cards, CPU and so on. In such cases, what you should do is reseat them to your utmost.
6. Disconnect All Useless Devices
What’s more, it is very possible that some hardware and peripherals connected to your computer result in this problem. For instance, many users connect a lot of USB devices to PC, including mouse, keyboard, USB Wi-Fi adapters, etc. Some of them or their drivers may malfunction, which cause this problem. In this scenario you can disconnect all unnecessary devices.
7. Restore to Experts
Provided that all mentioned above cannot help you, and especially if you are not well-versed in computer repair, you shouldn’t attempt any other DIY repair tricks again. You had better take recourse to professionals. Otherwise, you may further damage your computer, thereby leading to permanent data loss, not restricted in common file corruption like corrupt PST file.
Shirley Zhang is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including sql corruption and outlook repair software products. For more information visit www.datanumen.com