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I have a problem with dumps...i flashed a few dumps found here...32 and 16mb, i get caps lock always on and nothing else...Before the laptop would turn on but was extremly slow...Then i restored the orginal bios, and it's all the same ,only caps lock...
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Man they made it complicated....I see that the MEC1515 is also hard to replace...
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I had a board with burnt 1.8V power chip, i replaced it with SY8388RHC(Kdxxx marking ), and now i have the voltage all across the board , but MCE1515 is getting hot ,laptop dead, soemtimes orange light for charging goes on , so there is no repair? 20V probably went directly to him?
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Hello!
i have the same problem, changed the rts5455 and 6sS30A from donor board, but still only 5V charging...The original problem was a bad C-type connector, i replaced that also and still no charging...replaced the two chips, still the same...charged the battery ,did a bios update...still nothing...what next?
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Yes Peste i knowi was saying the laptop is in another city and is there a master password or code generator according to S/N...
Here is the dump.... Serial : PF20YY42...
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So there is no other way* Because i have to get the laptop and dump the bios...
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Guys can anyone find the password with only serial number, or i have to dump the bios? The laptop is in another town at the customer...
Here is the serial PF20YY42
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I apologise ,i was nervous that day and tired and didn't see properly,you are ofcourse right and once again i do apologise to you, i know you are senior members and professionals...I honestly didn't see pins 30/31 because there is something writen over them...I thought they renamed the +LCDVDD to something else and the language barrier got us to misunderstanding...
[USER="169897"]piernov[/USER] as i mentioed above, i apologise for my behaviour, i know both of you from the forum and i know you are pros...but i somethimes loose my mind and say stupid thingsOk, i will...
Last edited by huzo; 02-19-2025, 12:04 PM.
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It is NOT called +LCDVDD, it's not my first time using the schematics...and for some reason i can't search inside pdf and i can't copy any text...For example there is a word, and when i copy it i get random signs..for example it says +3.3V_RUN_UT9(some random text) and when i copy it i get /!01212 # ...i don't know if it's some kind of a security feature or what...But if you look at the image at first post .there is no +LCDVDD pin...
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Dell 5590 no image on LCD,HDMI works ,the board works...
The board is LA-F411P ,DELL 5590 ...
The screen polarises,no backlight,no image,only black screen,tried another screen,the same,so there is no backlight,but there should be an image when i shine a lamp behind the screen,but there is none...only dark screen...when screen is connected and i press F8 to turn the image over to the external monitor, the external monitor gets coloured bars ,but when i disconnect the cable from the EDP ,the HDMI picture is good...What could be the problem? I don't have another edp cable, but i measured it with meter and it comes out good...i am baffled......
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the FET is [B]3P3R0[/B] P -channel...it works,everything works, except the meter for the battery percentage...it is now charging the old battery with 600mA...the board has a problem that it doesn't see SDA or SCL in the I/O controller probably...maybe i should put the original 9538H chip, since there was no continuity to the SCL pin from the battery, there was 3.01V and OL on the instrument, and i have put the wire directly from the 9238H to the battery connector and now i have 3.46V on both pins and direct connection...but maybe this 9238 is not the same as 9538?the FET is [B]3P3R0[/B] P -channel...itLast edited by huzo; 02-07-2025, 11:48 AM.
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