When my computer was turned on, the display didn't light up, the mouse and keyboard didn't light up, and the host fan didn't make a sound when it turned on. What's wrong with my computer?

Reported answer
When my computer was turned on, the display didn't light up, the mouse and keyboard didn't light up, and the host fan didn't make a sound when it turned on. What's wrong with my computer?
Ask online customer service
Scan the code to ask online customer service
  • Number of answers

    eight

  • Number of browses

    8,911

8 answers Default sorting
  • Default sorting
  • Sort by time

Adopted
If the display light is not on, there is no signal output. If the keyboard and mouse are not on, they have not been self checked. From this, the motherboard and cpu are not working. You can unplug the video card, memory, hard disk, and CD-ROM drive, and try to turn on the computer. There should be an alarm. If there is no alarm, try to power off the cmos. If the discharge is still invalid, you can send it for repair. If there is an alarm, turn on the video card, The golden finger of the memory is polished. Try to install it one by one to see if it is faulty!
cancel comment
You connected the hard disk indicator and the electric indicator upside down.
cancel comment
This only means that the power supply is good, the CUP fan is good, and others cannot prove that it is good
cancel comment
Please reinsert the CPU. There is no instruction.
cancel comment
This should be a memory or motherboard problem check the memory!
cancel comment
Check the heat dissipation first, which is more likely.
cancel comment
Is the cable connecting the host lamp loose?
cancel comment
The red light is the hard disk light. This indicates that your host has not started to read the hard disk. Open the chassis and reseat the memory, graphics card and various cables from the motherboard
cancel comment
ZOL Q&A > notebook > system > Phone power on > When my computer was turned on, the display didn't light up, the mouse and keyboard didn't light up, and the host fan didn't make a sound when it turned on. What's wrong with my computer?

report

Thank you for contributing to the harmony of the community. Please select the type of report

Reported successfully

It will be handled after verification
Thank you for your contribution to community harmony

Scan the code to participate in the trial of new products at 0 yuan
You can get the sheets and grand gifts on the top floor

 Scan and pay attention to us
Tips

Are you sure you want to cancel this registration and exit this activity?