My laptop is not working it's CPU fan and power light is on
My laptop is not working when i power on my laptop it do not show any thing and it's CPU fan start working nothing else.
Read below. Are you getting any light activity or beeps ?
Battery Status Lights
If the computer is connected to an electrical outlet, the operates as follows:
The computer may emit a series of beeps during start-up if the display cannot show errors or problems. These series of beeps, called beep codes, identify various problems. The delay between each beep is 300 ms, the delay between each set of beeps is 3 seconds, and the beep sound lasts 300 ms. After each beep and each set of beeps, the BIOS should detect if the user presses the power button. If so, BIOS will jump out from looping and execute the normal shutdown process and power system.
Code Cause and Troubleshooting Steps
1 BIOS ROM checksum in progress or failure
System board failure, covers BIOS corruption or ROM error
2 No RAM detected
3 Chipset Error (North and South Bridge Chipset, DMA/IMR/ Timer Error) , Time-Of- Day Clock test failure ,
Gate A20 failure , Super I/O chip failure , Keyboard controller test failure
System board failure
4 RAM Read/Write failure
5 Real-time clock power fail
CMOS battery failure
6 Video BIOS test failure
Video card failure
7 Processor failure
8 Display failure
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