What should I do if my win7 system cannot start?

When a Windows 7 system fails to start, it may be caused by a hardware or software problem. Solutions include: Hardware problems: Check whether the power supply, memory, hard drive, and graphics card are normal. Software issues: Use SFC to repair corrupted files, repair boot sectors, and remove malware. BIOS setup issues: Make sure the hard drive is the first boot device, disable Secure Boot and Fast Startup. Other causes: Check for overheating, update drivers, uninstall conflicting software.

Solutions to Windows 7 system failure to start

When Windows 7 system fails to start, it may cause some problems Frustrated. Here are some possible causes and corresponding solutions:

1. Hardware problem

• Power supply failure:Make sure the computer is connected to the power source, and the power cord and power adapter are working properly.
• Memory issues:Unplug and reinsert the memory module. If there are multiple memory modules, please test them one by one to determine whether there is a faulty memory module.
• Hard drive failure:Check whether the hard drive is firmly connected and try to use another hard drive to start the computer.
• Video card failure:Unplug and reinsert the graphics card. If possible, try using another graphics card.

2. Software issues

• Corrupted system files:Use System File Checker (SFC) to repair corrupted document. Type the following command in the command prompt:sfc /scannow
• Corrupted boot sector:Use the Windows installation CD or USB flash drive to repair the boot sector. When the computer starts, follow the prompts to enter the BIOS and set the CD or USB flash drive as the first boot device.
• Malware Infection:Use antivirus software to scan your computer and remove any malware.

3. BIOS setting problem

• Wrong boot sequence:Enter BIOS and make sure the hard disk is set to first Start the device.
• Secure Boot Enabled:If your computer supports Secure Boot, disable it in the BIOS.
• Fast Startup Enabled:Disabling Fast Startup can resolve some startup issues. Go to "Power Options" in Control Panel and select "Choose what the power buttons do." Uncheck the "Enable Fast Startup" box.

4. Other reasons

• Overheating:Check whether the computer is overheating. If your computer is overheating, clean the vents and make sure the fan is working properly.
• Driver issues:Update graphics card, sound card, or other device drivers.
• Software Conflict:Uninstall any recently installed software, and then try to start the computer.

The above is the detailed content of What should I do if my win7 system cannot start?. For more information, please follow other related articles on the PHP Chinese website!