HI guys i have this laptop CQ45-910LA , when i press power button,fan try to spin but it doesn't,one light start flashing every 5 seconds,this is what i have done, i flash the EC bios, nothing, i flash the pch bios nothing,i measure EC RSMRST# and i have 3v but when i measure SLP_S3# y SLP_S4#that comes from the pch i have 3v for 3 seconds and then disappear and again 3 and the disappear,it continuously do that at the same time with that light. any idea guys, i already try a reflow on the pch I took it up to 180 degrees, and then i wait until gets cool and then i press power button and it happen the same thing.
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Re: problem with laptop cq45-910LA
please post all mesure of coil to ground; -
Re: problem with laptop cq45-910LA
hi polytek thanks.
BIG coils:
L6000 - 165
L6150- 109
L6100- 94
L6200- 150
L6300- 47
L6620-132
L6610- 132
L6710- 170
L6500-406
L6970-363Comment
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Re: problem with laptop cq45-910LA
the mesure are good, there is no short, do you try another dc adaptor ?
try to do a light reflow for the pch, and see if there is a change.Comment
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Re: problem with laptop cq45-910LA
sorry atsio, it's not normal for 3/5v lines, but i confused with another post that
have 3/5v present,
jonny0404, remove the two big coil L6100 and l6150 and mesure resistance on both side.Comment
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I have acer laptop tmx314-51 with part no 6050A3020501.
The laptop is working fine on adapter and battery is also charging and when adapter is disconnected in on state the laptop gives backup on battery and gives good backup.
But when laptop is powered on through battery only the laptop does not power on and there is 0 voltage on battery connector.
I have not not tried another battery as it is not available locally could this be a battery problem.have checked discharging mosfet and there is no shorting to ground on any pin of battery connector.
The schematic is not available... -
A few days ago my laptop gave me problems, when I wanted to turn it on to my surprise without charging so I did not put much importance on it, after that I turned it on with a charger, it turned on and charged the laptop, the problem with the laptop is that when it is turned off it turns to turn on after seconds, sometimes at 2 or sometimes at 8, other than that it works normally, I already checked many things, I changed a mosfet at the charge input to a pnp but it remained the same, after that I checked and I did not find anything outside Normally, before that, it had a failure where I changed... -
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This happen usually when the laptop has been moved. from one room to another OFF charger for some hours, but has also happened when laptop has been shut down and left ON charger over night, and not moved :
I turn on the laptop normally by pressing the power button briefly, then power comes on and Power LED and Fn LED turn ON/OFF constantly (no post and no beep codes)
If I(and this is my only option at this point),...09-29-2025, 05:58 AM
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