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What should I do if the computer cannot display it?

2026-01-02 00:40:25 science and technology

What should I do if the computer cannot display it? Full analysis of popular solutions in 10 days

Recently, computer display problems have become one of the hot topics on the Internet. Many users have encountered problems such as no screen signal, black screen or blurred screen. This article combines popular discussions and technical analysis in the past 10 days to provide you with structured solutions.

1. Statistics on causes of common problems (data in the past 10 days)

What should I do if the computer cannot display it?

Question typeProportionHigh frequency keywords
The connection cable is loose32%HDMI is loose and VGA is in poor contact
Graphics card failure25%Driver crash, video memory corruption
System settings error18%Resolution settings, multi-screen configuration
Monitor hardware failure15%Backlight damage, panel problems
Others10%Power management, BIOS settings

2. Step-by-step solution

1. Basic inspection (solve 80% of simple problems)

• Check whether all connecting cables are tightly plugged in (focus on checking the graphics card interface)

• Try changing the video cable (DP/HDMI/VGA)

• Test different monitors to confirm source of failure

2. Software level processing

Operation stepsSpecific methodsApplicable scenarios
Safe mode startupPress F8 when booting to enter safe modeDriver conflict causes black screen
Driver rollbackDevice Manager→Display Adapter→Rollback DriverProblem after updating driver
system restoreControl Panel→Recovery→System RestoreRecent system updates caused

3. Hardware fault diagnosis

•Graphics card test:Pass the motherboard integrated display output test

•Memory diagnostics:Using the Windows Memory Diagnostic Tool

•Power detection:Check whether the power supply is sufficient (especially for independent graphics card models)

3. Recommended popular tools

Tool nameFunctionDownload volume (last 7 days)
Display Driver UninstallerCompletely clear the graphics card driver280,000+
FurMarkGraphics card stress test150,000+
HWMonitorHardware status monitoring420,000+

4. Professional maintenance suggestions

1.Monitor repair cost reference:

• Backlight repair: 200-500 yuan

• Panel replacement: approximately 60% of new phone price

2.Graphics card repair judgment:

• Official after-sales service is recommended for graphics cards within 3 years old

• It is recommended to replace the old graphics card if its repair value is less than 500 yuan.

5. Preventive measures (recent hot topics of discussion)

• Clean the case dust regularly (especially the graphics card radiator)

• Avoid long-term high-load operation (especially for popular game players)

• Use lightning protection power strips (a problem that occurs frequently during summer thunderstorms)

Through the above structured analysis, most display problems can find corresponding solutions. If the problem is still not resolved, it is recommended to take a video of the fault and consult professional technicians. Recently, there are a large number of real-time interactive answers under the #computer repair topic on Douyin/Kuaishou and other platforms.

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