HP Z - Recent Questions, Troubleshooting & Support

To help you troubleshoot the display flickering on and off issue, Please follow the steps given below: - First of all it is recommended to check if LCD power cable is attached correctly and firmly to LCD power connector and LCD power switch. If issue persists, Please follow the steps given below: - Please replace the power cord and try changing the power switch point. - Make sure there is no power supply trip occuring in electricity source. If issue persists, it is recommended to contact 'HP Support Center' for further assistance and you can also replace the LCD if it under warranty. To help you check warranty status, please find the link given below: http://support.hp.com/us-en/checkwarranty To help you contact HP Support Center, please find the link given below: http://www8.hp.com/us/en/contact-hp/contact.html GuruAid.com

try resetting bios setting

That LED light that is not coming shows that your motherboard is not getting any power. Heres the 2 things I would do....

1) Replace your motherboard and if that does not fix it...2) Replace your Power supply.....

Have you recently had any power surges in your area?

Hello,It could be a software or hardware issue. Use an antivirus to do a full virus scan on your system then try again. If that doesn't solve it, check to see if all the fans inside your CPU are working.

HiCheck the power supply. Take out the whole supply unit and try it also on another machine.May need replacement.