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Badcaps Capacitor & Electronics Repair Forum
Frequently Asked Questions (No Posting)
All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
Topics: 45 Posts: 733
45 733
Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
Topics: 234 Posts: 41,667
234 41,667
Document & Software Archive
Common Parts Library - Datasheets
Share or download datasheets or application notes for electronic components and other parts. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
Topics: 1 Posts: 3
Last Post: ncp81208 datasheet
1 3
xaruqui
by xaruqui
General Topics
General Capacitor Questions & Issues
Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.
Topics: 3,183 Posts: 32,673
3,183 32,673
General Computer & Tech Discussion
Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
Topics: 4,493 Posts: 74,809
4,493 74,809
Troubleshooting Hardware & Devices and Electronics Theory
General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 3,962 Posts: 44,278
3,962 44,278
Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
Technical discussions covering any type of desktop motherboard, video/graphics card, controller card, or whatever other desktop peripheral you need help with. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 6,789 Posts: 37,157
6,789 37,157
Sub-Forums:
Troubleshooting & Designing Networks
Post your computer network questions, ideas, gripes, and so on in here. This can be any type of network, whether its cabled, wireless, or whatever. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 500 Posts: 5,434
500 5,434
Troubleshooting Laptops, Tablets, and Mobile Devices
Technical discussions covering any type of laptop, notebook, netbook, tablet, or smartphone. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 31,745 Posts: 302,274
31,745 302,274
Sub-Forums:
BIOS Requests ONLY! (12,643/152,090)
Schematic Requests ONLY! (4,716/28,338)
Troubleshooting Computer Displays
Technical discussions covering any type of PC/computer display, whether it be CRT, LCD, or anything else. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 5,318 Posts: 75,673
5,318 75,673
Troubleshooting TVs and Video Sources
Technical questions about your defective television, projection screen, LCD/plasma, or any other type of video device. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 27,430 Posts: 374,452
27,430 374,452
Troubleshooting Power Supplies and Power Supply Design
Technical discussion for power supplies. This covers PC supplies, and any other related power supply issue. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 4,178 Posts: 65,197
4,178 65,197
Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
Technical questions about your defective laser or ink printer, plotter, copier, scanner, and other imaging & printing devices. This section also includes digital cameras. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 301 Posts: 1,662
301 1,662
Troubleshooting Audio Equipment
Technical discussion on audio equipment troubleshooting and installation. This can be anything from a home/car stereo, guitar amp, and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 2,316 Posts: 27,418
2,316 27,418
Troubleshooting Appliances and other Household Electronic Stuff
Technical discussion on household appliances & other household electrics & electronics; including troubleshooting and installation. This can be anything from a washer/dryer, dishwasher, microwave oven, other sordid kitchen electrics and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 222 Posts: 3,896
222 3,896
Troubleshooting Game Consoles & Other Weird Devices
This can be anything from game consoles to arcade games to anything else that doesn't really fit into any of the above categories. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 999 Posts: 10,858
999 10,858
Equipment Usage, Soldering, Techniques, and Reviews
Technical discussions concerning soldering techniques, usage of test equipment, how it works, what's best, and some pointers in using it all.
Topics: 1,375 Posts: 19,361
1,375 19,361

What's Going On?

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There are currently 941525 users online. 4301 members and 937224 guests.

Most users ever online was 1,196,122 at 03:31 PM on 12-14-2023.

Badcaps Statistics

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Topics: 102,011   Posts: 1,266,675   Members: 491,354   Active Members: 16,406
Welcome to our newest member, Harpreet Boparai.

Latest Topics

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  • MDSI
    Asus X705UV bios
    by MDSI
    Hello.

    I have an Asus X705UV which no longer starts since the last Windows update. I suspect Windows Update of having tried to update the bios and having corrupted it, because currently, I have the charging indicator when I plug in the charger and I have the power indicator when I press the on/off button but nothing more, not even a fan running.
    Could someone check this bios and if it is broken, repair it?

    Sorry in advance, google translate is useful but not perfect. 😂

    Thank you in advance !​ 🙏...
    Yesterday, 06:38 AM
  • jkruns
    M1 A2338 screen and touchbar issues after cleaning up liquid damage
    by jkruns
    Hello everyone,

    This is my first post after browsing this wonderful treasure trove of knowledge for many, many evenings. I've decided to learn how to fix these things, properly.

    My patient is an A2338 Macbook Pro M1 (late 2020).

    It had some corrosion around JT710 and JT700 caused by liquid spill, as well as against the protective barrier around the USB-C chips UF000 and UF100. So I took the main board out and cleaned it with a toothbrush and alcohol, then with alcohol in an ultrasonic cleaner. Cleaned the touchbar flex connectors as well. The board looks...
    04-22-2024, 06:45 AM
  • sauce
    Mac mini 2018
    by sauce
    Hi,

    I am trying to help someone to repair a mac mini A1993 820-00939.
    The mac mini won't power on.

    Voltages on U7800 are all good except
    PP1V2_PRIM 0v
    PP1V_PRIM 0v

    PP5V_G3S is missing too

    Someone has the power on sequence of this ?

    Thank you on advance.

    Eric...
    Yesterday, 12:53 AM
  • dimondimonich
    Lenovo Legion 5 Pro (R9000P ARX8)
    by dimondimonich
    Hi guys! We need a bios dump.
    Model Legion 9000 PRO 8 (2023)
    s/n PF4T63Y1
    I downloaded the bios on the official Lenovo website
    It is not possible to fill it with a programmer on a flash drive
    In the original flash drive, the file weight is 2 MB.
    Please help me)
    04-17-2024, 06:36 PM
  • trepachka
    Thinkpad T15p Gen 3 BIOS cleanup requested
    by trepachka
    Hello,

    I have this Thinkpad T15p Gen 3 laptop. It starts normally with keyboard lighting up, I can hear the fan starts spinning, amps quickly reach about 1.7A without the battery, CPU gets hot. However, it is not posting.

    I suspect the BIOS is corrupted. I am providing 2 BIOS files as I see 2 BIOS 256Mb chips. I am also providing a photo of the chips' location on the motherboard.

    Model: Thinkpad T15p Gen 3
    S/N: PF-45G6VM
    Type: 21DA-000PUS
    Motherboard: NM-E221

    Thank you....
    Yesterday, 10:40 PM
  • baiceanu_stefan
    nm-f251 Schematic, boardview or help identify componente
    by baiceanu_stefan
    Hello, I have a legion pro 5 16arx8 serial number pf4bf4aw mb code nm-f251 rev1.0 which was dissasembled by the client for cleaning. Now it does start but for 20 secs after that fans run at maximum and then shut down. Found PU8302 burned but cannot identify it the part. It is written eHFAA on it but didn't found any info, no boardview, nothing. Can anyone help identify the part so I can order it from somwhere? Ataching some pictures of the motherboard, serial number and part. Than\k you...
    Yesterday, 12:49 AM
  • dimondimonich
    Lenovo Легион 5 Про (R9000P ARX8) The motherboard
    by dimondimonich
    Hello everyone, Could you please help me find the BIOS chip on this motherboard? I have a photo with the serial number. The model is Legion 9000 Pro 8 (2023). The part number is S/N PF4T63Y1. Thank you in advance for your help.
    Yesterday, 11:39 PM
  • Txus3232
    latitude 5400 computrace
    by Txus3232
    hi Can you also help me with computrace? The BIOS is unlocked but has computrace.
    service tag CH0TL33
    mother board EDC41 LA-G891P REV 1.0 (A00)...
    Yesterday, 08:22 PM
  • Rofix
    Problem Dell vegas/turis mlk kbl-r 17841-1 wx2rr
    by Rofix
    Hi everyone, I wanted to kindly ask you for help, I have a problem with my Dell vegas/turis mlk kbl-r 17841-1 wx2rr PC, it turned off and I was no longer able to turn it back on, I'm checking the various voltages, unfortunately I found the 19 v up to the input components PU4411, PQ4401, thank you all for any advice
    [ATTACH=JSON]{"alt":"Click image for larger version Name:\tIMG_20240424_111713072.jpg Views:\t0 Size:\t855.7 KB ID:\t3258866","data-align":"none","data-attachmentid":"3258866","data-size":"custom","height":"843","title":"IMG_20240424_111713072.jpg","width":"1124"}[/ATTACH]...
    Yesterday, 03:48 AM
  • Felipe_Serra_83
    Dell Inspiron 14-5448 - fan turns off and mobo keeps running
    by Felipe_Serra_83
    Hi, everyone. First post of an actual repair. I'm a technician but a complete newbie with laptops.

    So I got this Dell Inspiron to play with.

    No charger, so I connected to my bench PSU.

    The laptop also didn't include: hard disk (I added one of my own for testing, see below) and wireless PCB (but I doubt this could have anything to do with this particular failure).


    ------What it did (and didn't do)------

    1) I turned it on and it powered on. Powered down in 2 seconds by itself.

    2) Removed RAM, changed slot. Same...
    04-04-2024, 12:39 PM

Trending

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  • trepachka
    Thinkpad T15p Gen 3 BIOS cleanup requested
    by trepachka
    Hello,

    I have this Thinkpad T15p Gen 3 laptop. It starts normally with keyboard lighting up, I can hear the fan starts spinning, amps quickly reach about 1.7A without the battery, CPU gets hot. However, it is not posting.

    I suspect the BIOS is corrupted. I am providing 2 BIOS files as I see 2 BIOS 256Mb chips. I am also providing a photo of the chips' location on the motherboard.

    Model: Thinkpad T15p Gen 3
    S/N: PF-45G6VM
    Type: 21DA-000PUS
    Motherboard: NM-E221

    Thank you....
    Yesterday, 10:40 PM
  • Txus3232
    latitude 5400 computrace
    by Txus3232
    hi Can you also help me with computrace? The BIOS is unlocked but has computrace.
    service tag CH0TL33
    mother board EDC41 LA-G891P REV 1.0 (A00)...
    Yesterday, 08:22 PM
  • fedeRaider
    Samsung ue55mu6120kxzt
    by fedeRaider
    Hello everyone

    My TV no longer shows signs of life, but if I unplug the motherboard, the backlight works.

    I bought a CH341A USB Programmer, and this is my dump (BN41-02568B):

    Could someone help me fix it?...
    Yesterday, 06:05 AM
  • dimondimonich
    Lenovo Легион 5 Про (R9000P ARX8) The motherboard
    by dimondimonich
    Hello everyone, Could you please help me find the BIOS chip on this motherboard? I have a photo with the serial number. The model is Legion 9000 Pro 8 (2023). The part number is S/N PF4T63Y1. Thank you in advance for your help.
    Yesterday, 11:39 PM
  • tec3000
    Sony LED 65X9005A shuts down after few seconds - looking for help
    by tec3000
    Hi community! Germany calling I am wondering if you guys can help me out. I have an issue with my Sony LED TV. I've been told this is a good place to ask. Thanks for anyone who will reply and offer advice. Appreciated!

    I have a KD-65X9005A Sony 4k LED TV. For a few weeks I've got this problem where I turn on the TV and within a few seconds the TV starts getting darker until it shuts itself off and I get the 4 blinking error code. HOWEVER there is one exception: Whenever I switch to the i-Manual, a full screen on-screen instruction manual, the TV never turns off. I tested for hours!...
    03-20-2024, 07:29 AM
  • mitchw
    Need a HP 255 G8 (HPL51 LA-L021P) BIOS
    by mitchw
    Looking for a BIOS for HP 255 G8 (HPL51 LA-L021P).

    The main problem is that the laptop will crash while booting to OS. Will crash even on booting from USB, like a Ubuntu or to a Windows 11 installer.
    Before junking the board I would try the new BIOS if it does anything.

    Thank you!...
    Yesterday, 10:03 AM
  • timonix20
    Looking for eMMC Replacement for Sony LG 60la620s EAX64797004 (1.1) with Boot Issue
    by timonix20
    hello everyone I am looking for a solution for my tv, I think corruption of the eemc,

    the TV starts, LG logo, then nothing (rear backlight)
    no reaction to rear command or infrared


    the usb procedure that I tried on the LG site is a procedure with the screen and the remote control so I can't.


    I have a chance with a usb procedure or other if you have .bin

    if any people have this main board

    Sony LG 60la620s EAX64797004 (1.1)

    [ATTACH=JSON]{"data-align":"none","data-size":"full","title":"1713895782944.jpg","data-attachmentid":3258485}[/ATTACH]...
    04-23-2024, 01:52 PM
  • abajor
    LG Gram 17Z90Q identify component labeled BACDSG
    by abajor
    Trying to identify this part if anybody has any idea what it might be, would be a good start to repairing this laptop....
    Yesterday, 03:08 PM
  • Canario137
    Lenovo Ideapad 3-15ACL6 Bricked Bios
    by Canario137
    Hi!

    My [B]Lenovo Ideapad 3-15ACL6[/B] just got bricked after updated the bios a few weeks ago, today i was trying to flash a new bios in Crisis Mode (just to try) but idk how do i can find the bios .fd /.rom.

    *I need to flash an old bios or could be latest bios?


    Saw some tutorials that need to extract two times to find the real bios .fd/.rom, used innoextract for the first one GLCN57WW.exe and the second GLCN57WW.exe that inno extracted doesnt work, 7-zip says "Cannot open file as archive", so i cant complete the tutorial.

    ...
    Yesterday, 08:15 PM
  • MDSI
    Asus X705UV bios
    by MDSI
    Hello.

    I have an Asus X705UV which no longer starts since the last Windows update. I suspect Windows Update of having tried to update the bios and having corrupted it, because currently, I have the charging indicator when I plug in the charger and I have the power indicator when I press the on/off button but nothing more, not even a fan running.
    Could someone check this bios and if it is broken, repair it?

    Sorry in advance, google translate is useful but not perfect. 😂

    Thank you in advance !​ 🙏...
    Yesterday, 06:38 AM
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