Hp pavilion gaming 17-cd with la-h471p motherboard

[dinosglxaros]

Hello I have a hp pavilion gaming 17-cd with la-h471p motherboard.. the problem is power on but now display and the fans after some seconds with full speed..laptop powers on with display only from a bench power supply but with low cpu frequency.. if I unplug the battery and use the laptop charger with id pin same thing no picture even with only battery plugged in power on but no picture..does anyone else face the same issue?

[mcplslg123]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

Adapter ID checked?

[dinosglxaros]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

From the charger?

[mcplslg123]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

You need to measure voltage at AD_ID pin of dc jack as well at SIO.

[dinosglxaros]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

Charge port
Ground-AD_ID=2.097volt
+-AD_ID=17.64volt
Kbc
Ground-AD_ID=1.046volt
+-AD_ID=18.74volt

[mcplslg123]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

I coul'nt understand your measurements. For clarity, put your black probe to GND and red probe to AD_ID and measure voltage again. The AD_ID reading at dc jack and SIO should be same in my opinion.

[dinosglxaros]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

The measurements I gave one was with the black probe to ground and the other with black probe to plus against ad_id pin

[dinosglxaros]

Re: Hp pavilion gaming 17-cd with la-h471p motherboard

I measure with ground and ad_id pin on the charging port 2.097v and on the kbc 1.046v and I think that's normal. The consumption without the battery when it powers on with black screen is 1.5 amp and after a while it goes to 3 amps.if i remove the ad_id pin from the charging port the laptop power on with display but its very slow.. also even with the battery only plugged in power on but again with no display. Please help I never see something like that..