hi everyone !

I'm repairing a Dell inspiron N7010, with shut down issue after few hours of work, when powered with adapter, with or without battery.

When powered with battery only, no shut down !

I cleaned fan, applied new paste. Heat is normal, but always same problem.

Any suggestion should be appreciated.

Thanks

Try to replace AC adapter. Its output voltage can become unstable because of overheating under the power load of laptop.

Good idea, will try new adapter and report soon.

May be I was far away thinking of Mobo Ac in section intermittent fail.