i got o problem with starting my HP Laptop. A month ago I installed windows 7 and work fine till yesterday, when, after an update on sept 28, the laptop does not start. I mean, it start , nothing came on, and shutdown in 30 sec, start again, shotdown again. I canot enter BIOS, none F1 to F12 + DEL helps.
No ideea what to do.
I can hear a sound like it try to boot , the light came on, all af them, bat shutdown in 30 sec.
Thanks a lot for your help.