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marshmallow mb 15257-2n 448.07N06.002N bios
Hi., I am working on this motherboard MB:marshmallow mb 15257-2n 448.07N06 . 002N ... The required voltages (3.3v, 5V) are ok but the pressing the ON/OFF button does not turn on the laptop. I just noticed that someone messed up with the BIOS. Anyway I was able to read the BIOS, uploaded it. Kindly if some can re-build the BIN files, Model Hp ENVY x360 15-aq100nx , Serial # 8CG710266V, thanks in advance....
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Dear, I tried to find the Schematics for this Hp model ENVY x360 15-aq100nx (15257-2N), but no where around, if you still have the motherboard with you, can you please inform me the # on these MOSFET close to the RTC Battery PU4406 & PU4407. These MOSFET are the first stage of passing the 19v to the whole motherboard if all is ok. Actually on my motherboard BOTH are burnt & cannot figure out the part numbers. I used another N-Channel MOSFET but when battery is attached, they get very hot & without the battery all the required voltages (3.3, 5V etc) are present. If somebody can help,...
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Thank you mon2... Hoping the value of R1206 might help. & you are right 2.2k might be fine out here. Thanks for the help.
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Can anyone share the schematics from iPad Air 4th Gen A2316. I accidentally blew out one resistor by mistake & forgot to measure the resistance before removal. Attached is the photo of the missing resistance. It's near the LCD/charge circuit under the shield, next to the charger chip 343S00394-A0.. Hope someone can help me finding this resistance value. Thanks in advance.
[ATTACH=JSON]{"data-align":"none","data-size":"small","data-attachmentid":3251884}[/ATTACH]...Last edited by mferna14; 04-12-2024, 01:46 PM.
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@qayyum786., I think there is a problem with the laptop motherboard. Same status with the previous BIOS too. Now I have to check the motherboard, what's going wrong with it.
& @[B][URL="https://www.badcaps.net/member/237374-smdflea"]SMDFlea[/URL][/B] I do realize at times that I am letting them know about their hard work!!! I do it just to make every member know about their great help & their importance of getting the BIN files or any file or help done, & spending their valuable time to make our laptops work again. This is my nature & way to give a BIG...
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Thanks @[B][URL="https://www.badcaps.net/member/257580-qayyum786"]qayyum786[/URL] [/B]., I will write these BIN files tomorrow & let you know.Thanks @[B][URL="https://www.badcaps.net/member/257580-qayyum786"]qayyum786[/URL] [/B]., I will write these BIN files tomorrow & let you know.Thanks @[B][URL="https://www.badcaps.net/member/257580-qayyum786"]qayyum786[/URL] [/B]., I will write these BIN files tomorrow & let you know.Thanks @[B][URL="https://www.badcaps.net/member/257580-qayyum786"]qayyum786[/URL] [/B]., I will write these BIN files tomorrow...
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Hi @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B]., I programmed the BIN file on a new chip. Now what happens, the Laptop does not shut down anymore, the fan runs very fast all the time & I observed that the backlight come on & off after a while but NO DISPLAY. Maybe a bit of change in the BIN files. Kindly check it pls. if any problems with the BIn file you provided me. Thanks @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B] in advance for the help.Hi @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL]
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Thanks @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B], I will try the BIN files & inform you today. Appreciate your help.Thanks @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B], I will try the BIN files & inform you today. Appreciate your help.Thanks @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B], I will try the BIN files & inform you today. Appreciate your help.Thanks @[B][URL="https://www.badcaps.net/member/391642-hoaca388"]hoaca388[/URL] [/B],
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Dear friends., I am working on Dell Inspiron 13 5310 WITHOUT Display Chip , Motherboard p/n MOONKNIGHT N13 TGL 203121-1. Someone has torn the Serial #/ Service Tag Sticker at the bottom. But I know this is a Dell Inspiron 13 5310 according to the motherboard part #. Please if someone can clean up this Original BIOS uploaded. The laptop starts, I see the backlight comes on, fan runs fast as per the initial startup of Dell, but then after the fast fan moments, it shuts down. The serial # will be in this Original BIOS I have uploaded. I tried the BIOS on the other post (Same Dell Model) but his MB...
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Good Job done!!! Yes YouTube sometimes is really fake. I caught many doing wrong on this platform, but what to, everyone is running for likes & subscribers. But atleast they give a headsup on what to do....
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Thanks @"[B][URL="https://www.badcaps.net/member/457801-rex98"]rex98[/URL][/B]"., all worked fine. Upon Boot up it just freezes for while & resets again. I think it's the S/W problem. I will look into this later.. But very nice of your to redo t& cleanup of the Bin files. TYThanks @"[B][URL="https://www.badcaps.net/member/457801-rex98"]rex98[/URL][/B]"., all worked fine. Upon Boot up it just freezes for while & resets again. I think it's the S/W problem. I will look into this later.. But very nice of your to redo t& cleanup of the Bin
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Thanks @"[B][URL="https://www.badcaps.net/member/457801-rex98"]rex98[/URL][/B]"., really appreciate the fast response. I will try & let you know the result.Thanks @"[B][URL="https://www.badcaps.net/member/457801-rex98"]rex98[/URL][/B]"., really appreciate the fast response. I will try & let you know the result.Thanks @"[B][URL="https://www.badcaps.net/member/457801-rex98"]rex98[/URL][/B]"., really appreciate the fast response. I will try & let you know the result.
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Hp Pavilion 24 24-xa0129 All-in One BIOS Cleanup please
Hi all, I am working on a HP Pavilion 24-xa0129 Product ID: 4NN78AA#ABL S: No:8CC01049ZP , MB Part # DA0N76MB6E0 REV:E ... Kindly if someone can do a cleanup of this BIOS. The All-in-One turns on well but no display. I get all the required voltages VCORE is ok.. Attached is the Original BIOS. Thanks in advance...
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BIOS for HP HDX18 DAUT7GMB8B0 REV: B
Hi, I am working on a very old HP HDX18 (X18-1374CA S.# CNF92830L1 Windows VISTA), Motherboard # DAUT7GMB8B0 REV: B. No display at all. It taking all the reqiured amps & all rail volts are good enough to turn the laptop on. I even reflowed the GPU but still no luck. If someone would look into their Archieves, maybe might find the BIN file for this model. Anyway I am uploading the BIN Files, if someone can Redo (Cleaning) it & then might get the display. Thanks in advance....
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Measure resistances values NOT VOLTAGEs. You will clearly notice a SHORT to GRND on one of the above components. Install a New HDMI Connector & solder with Soldering iron NOT HOT AIR, I am sure some pins at the back are touching each other. Some people solder with hot air but I do not, as the Grd solder not easy to melt at a low temp. & what happens the HDMI connector plastic starts to melt. Remove the old HDMI port carefully. Now to open up the Grnd. holes, all you have to do is, take the hot air, keep it at 300 ~ 350 C which I do & once solder melts take a sharp stainless steel tweezers...
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Thank you so much [B][URL="https://www.badcaps.net/member/257490-vesko356"]Vesko356[/URL][/B] for this info... I was a bit confused as on this motherboard there is a resistor present but in the schematics it has a "@".. Anyway confusion cleared. Have a great day ahead.Thank you so much [B][URL="https://www.badcaps.net/member/257490-vesko356"]Vesko356[/URL][/B] for this info... I was a bit confused as on this motherboard there is a resistor present but in the schematics it has a "@".. Anyway confusion cleared. Have a great day ahead.Thank you so much [B][URL="https://www.badcaps.net/member/257490-vesko356"]Vesko356[/URL][/B]
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Hi all, I am working on this same MB schematics NM-C421 .. The resistence value is " 1 @ 2 1/16W_0_5%_0402 "... What does the " @ " mean in this value of the resistor. I am guessing that " @ " means component physically NOT SOLDERED or PRESENT... Am I right ???? ThanksLast edited by mferna14; 02-11-2024, 01:09 PM.
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Never mind dears. the component is a 4.7K Resistor & it's for the ENABLE signal of this Tristar. This is why the iPad was not charging. I soldered another one & all works fine. Charges well & iPad works fine. In the near future I will load a jpg & list the components with their values by the four side of the TRISTAR chip because many of the tech replace the Tristar & knock/blow out off components accidentally. Thanks
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Can someone share the schematic/Boardview of this iPad A1893 (6Th Gen). I wan replacing the Tristar & I aired out one of the resistance. Can anyone please inform me the value of the marked missing resistance/component in the photo attached. Thanks in adavance....
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