Please help me with bios for Asus A516K, no display fan spinning,
SN: MCN0CX34E058524
MB: x415ka R2.0
Model: A516K...
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by hungbendAcer a315-54-588RCPU: SRFFX EH7LW la-h792p rev:1A bios need
Thanks all.-
Channel: BIOS Requests ONLY!
Yesterday, 11:47 PM -
-
by RomanSko1Hello, gentlmen!!!
My HP Probook 430 g2 does not detect battery. I tested the battery on another laptop and it is OK.
I believe smth is wrong with my PC ((.
Searching this forum I found some nice suggestions.
So, I tested Battery Connector pins (charger in/battery out) and here are my results:
pin_1 0v (-)
pin_2 3.30v
pin_3 0v
pin_4 3.38v (SCL)
[B]pin_5 2.55v (SDA)!!![/B]
pin_6 2.25 (+)
As far as I understand SDA pin must be ~3.3v???
Are there any other tests I can do before disassembling motherboard?
I...05-11-2024, 05:22 AM -
by warsztatHi, Asus P2451F board P2451FB rev2.0, flooded with liquid. I need schematic or element identification, please see the photo.
Regards for all....-
Channel: Schematic Requests ONLY!
Yesterday, 06:51 AM -
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by vpowerHi, I have this laptop, it is completely dead, no charging light when connected to a working charger.
Can anyone help me with some hints for troubleshooting this laptop?
Thanks in advance...05-07-2024, 05:28 AM -
Hi.
I kindly ask you to help me solve the problem.
Dell Precision 5510, motherboard AAM00 LA-C361P Rev:2.0
The board turns on, there is no image.
Read more. When the power supply is connected, the front panel indicators light up briefly.
When you press the power button, the button indicator lights up. The board works
there is no image, there is no matrix initialization, there is no image on HDMI.
When turned on, the fans do not spin, but when they warm up they start spinning.
When you turn off the button, the fans spin up to full speed for a short...05-11-2024, 03:14 PM -
by MugarHey guys got laptop like above. Came to me with shorted main power rail and battery protecion on ( 0V on output). Got rid of short but nothing. Bench power supply says it takes nothing, but still got all voltages 1,2v,3.3v,5v - all good. Thermal cam showed nothing is starting even for a sec. I believe that since all coils etc are good resistance to ground it's probably one of chips. Can be IO chip or maybe something else? Could somebody help me out with this one - it's blowing my mind lolYesterday, 01:53 AM
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by lorins_coreHello to all.
may I have a question about these Semiconductor parts BQ24800RUYR? can it be replaced with these parts BQ24780SRUYR?
I need some good advice and also some information about it. thank you and God Bless...05-10-2024, 07:56 PM -
by gjgibHello, this might be embarassing since I consider it a dumb question but keeps me kinda stuck sometimes in my journey.
I want to know if there is any post in this forum which explains my questions. [B]A)[/B] [B]When, where and how do I know when X voltage line is input or output. Example: [/B]
[URL=filedata/fetch?id=3266119&d=1715040463][ATTACH=JSON]{"alt":"Click image for larger version Name:\timage.png Views:\t0 Size:\t151.9 KB ID:\t3266119","data-align":"none","data-attachmentid":"3266119","data-size":"thumb"}[/ATTACH][/URL]...05-06-2024, 08:11 PM -
by tuankietkietWhen plugged in (no battery installed), the battery light on the motherboard lights up and then turn off. When powering on, the same and light and the power button also light up in a white color but no output on the display. It stayed like that for a few seconds before shutting down. I also seem to ruined a connector that connects to the WLAN, 2 USB and audio board, the same board also have a melted 2062A IC. I will post pictures in the reply section05-11-2024, 04:40 AM
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by hungbendAcer a315-54-588RCPU: SRFFX EH7LW la-h792p rev:1A bios need
Thanks all.-
Channel: BIOS Requests ONLY!
Yesterday, 11:47 PM -
-
by XIIIHi, i'm not that experienced much with voltage injection, I've had some laptops repaired using this method so please bare with me, I've got this laptop from a customer, the laptop doesn't turn on, no fan spin, no LED indications, no beeps nothing, after taking measurements,I found missing 19 rail after digging around I found that the bq chip was faulty which ive replaced with a known working one, then I found that two of the 4 n-mosfet qm1830 leading the 5v power rail were shorted which I also replaced,now the laptop got the 19v power rail, the 5 and 3v and 1 v rails restored, after checking...Yesterday, 09:14 PM
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by sitoPlease help me with bios for Asus A516K, no display fan spinning,
SN: MCN0CX34E058524
MB: x415ka R2.0
Model: A516K...-
Channel: BIOS Requests ONLY!
Yesterday, 09:05 PM -
-
by RomanSko1Hello, gentlmen!!!
My HP Probook 430 g2 does not detect battery. I tested the battery on another laptop and it is OK.
I believe smth is wrong with my PC ((.
Searching this forum I found some nice suggestions.
So, I tested Battery Connector pins (charger in/battery out) and here are my results:
pin_1 0v (-)
pin_2 3.30v
pin_3 0v
pin_4 3.38v (SCL)
[B]pin_5 2.55v (SDA)!!![/B]
pin_6 2.25 (+)
As far as I understand SDA pin must be ~3.3v???
Are there any other tests I can do before disassembling motherboard?
I...05-11-2024, 05:22 AM -
by sourcebfHI FOR ALL,
Dell XPS 15 9510
ST: fgnx2m3
board : GDP51/GDB51 LA-K411P REV:1.0
I'm trying to recover my corrupted BIOS dump, but ME Analyzer v1.96.4 r177 isn't identifying it as containing Intel Management Engine (ME) data. Could someone assist me with this issue?
or help me out to do recover my corrupted bios dump with extracted one from dell web site,
thanks in advance...-
Channel: BIOS Requests ONLY!
Yesterday, 04:24 PM -
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by GraphicManHello guys
Because the unit is old (but only occasionally used) the loudness button causes some noise due to bad contact,
sprays did not work, so i decided to solder the pins that it connects on the pcb at the on (loudness on) position
i did that and it worked fine, i know from the bottom of my heart that the switch connects 2 pins and also d/c other 2 pins
on every position it have (6 pin switch), so i was curious what would happen if i clicked the switch off while the pins are soldered at on (so basiclly on and off at the same time), when i did so the sound is gone, nothing...-
Channel: Troubleshooting Audio Equipment
05-05-2024, 06:20 AM -
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by E--ManHi All,
Thanks for reading. Based on the interesting fact that the vertical lines issue don't seem to effect the menus whatsoever but rather everything around the menu regardless of video is shown, I'm trying to set mine whether the issue is the main board or the t-con board.
Again what's baffling is that the menu is not effected whatsoever. However, any other video displayed regardless of inputs or when no inputs exist exhibits the vertical lines and seem to effect black areas only.
The lines are green in color when the tv is in "Game Mode" and...5 PhotosYesterday, 10:52 AM -
by xerooneI have a Lenovo E15 Gen1 that refuses to boot, power light flashes 3 times then stay on, but laptop is dead.
I can connect and read the BIOS chip, so I'm not sure if its at fault or not.
If someone could take a quick look, that would be great.
Many Thanks...-
Channel: BIOS Requests ONLY!
Yesterday, 01:04 PM -
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Hi everyone,
Looking for schematic for RAZER BLADE 15 RZ09-0369. Looks like the motherboard is Razer DA560. TIA-
Channel: Schematic Requests ONLY!
Yesterday, 10:25 PM -
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by PITERPENYHI. I need help with this board! 5v/0a stable. Replacing the u7000 did not change the situation. Before I move on to replacing the SD3215, maybe there are some tips on what to pay attention
also need a diagram and boardview
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"820-00840.png","data-attachmentid":3268566}[/ATTACH]...05-10-2024, 01:50 PM