Updating 2 prong electrical outlets
As you see on the first picture, in my example the power adapter plugs into the DC-IN power jack which is connected to the motherboard via a harness.
In some models the DC-IN power jack is soldered directly to the motherboard.
36.207 Places of public accommodations located in private residences. The Department’s Rulemaking History The Department published an advance notice of proposed rulemaking (ANPRM) on September 30, 2004, 69 FR 58768 for two reasons: (1) To begin the process of adopting the 2004 ADAAG by soliciting public input on issues relating to the potential application of the Access Board’s revisions once the Department adopts them as revised standards; and (2) to request background information that would assist the Department in preparing a regulatory analysis under the guidance provided in Office of Management and Budget (OMB) Circular A–4 sections D (Analytical Approaches) and E (Identifying and Measuring Benefits and Costs) (Sept.
12134(c), 12186(c), but vests in the Attorney General sole responsibility for the promulgation of those standards that fall within the Department’s jurisdiction and enforcement of the regulations. The Department was involved extensively in the development of the 2004 ADA/ABA Guidelines.
Plug in the power adapter and measure voltage at the point where the DC-IN jack or DC harness (like in my case) connected to the motherboard.
If you are reading the same voltage as on the AC adapter, it means the power jack or harness works properly and the problem is related to the motherboard.
This is only for experienced people, who know how to disassemble laptops.
First of all, test the AC/DC power adapter with a multimeter.