I am working on a HP Pavilion dv6-1107ax with a start up problem. I get inconsistent beeps starting up, usually 5 followed bt 1 then continuous (but not always). If I let it go long enough I get an option to choose the OS and can get into windows. Inconsistent problems then occur with the OS for example some services not starting or disabled and others.
I've replaced the motherboard with a new one. 2 x CPU tests have indicated there isn't any problem with the CPU but both point to the hard drive. The hard drive is fine when tested on another machine. A known good hard drive in the this HP machine gives the same symptoms.
Do you think it could still be the CPU? Or is there something else I'm overlooking?