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Directory Topics Posts Last Post
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! (4,716/28,337)
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: 27,417
2,316 27,417
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 925252 users online. 4297 members and 920955 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: 1,266,674   Members: 491,354   Active Members: 16,406
Welcome to our newest member, dm-.

Latest Topics

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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
  • 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
  • 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
  • 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
  • ongobongo
    Thinkpad E14 Gen 2 NM-C771 - No display no fan no beep no boot
    by ongobongo
    Hi there,
    I got this laptop which was not working at all. When attached to an amp-meter, the meter wasn't working at all also. I quickly found out that the PD-Power switch was gone and fully shorting to ground. After replacing that (NX20P5090) I got live back into the laptop.
    Now the battery is charging, charge indicator is working and the power led is blinking 3 times when i attach a charger. but, unfortunately, this is it. When i push the power-button, the power led turns on, but that's it. No display, no beep, no fan spin, nothing (but cpu gets warm).
    I tried flashing a new...
    04-19-2024, 03:01 PM
  • wrongpolarity
    Please Help. Hp 8460P Motherboard not turning on.
    by wrongpolarity
    Hi All,
    I have been struggling to repair a HP 8460P laptop. Motherboard does not turn on. I have traced the problem to what seems to be a missing signal KBC_PWR_ON causing Trip2 on IC 5006 (TPS51123) to be activated.

    The following components have been replaced but the problem remains.
    C5191
    C5192
    U50006

    Listed below are voltages appearing on U5006 when the Motherboard is supplied with power from a bench power supply for the first 15 seconds or so.

    Pin 1 (Trip1) = 0.65
    Pin 6 (Trip2) = 0.65
    Pin 8 (Vreg3) = 3.31
    Pin...
    Yesterday, 10:16 PM
  • pimpjersey2019
    help me bypass frp HUAWEI Y7a
    by pimpjersey2019
    help me bypass frp HUAWEI Y7a..can anyone give software for this...thanks
    Yesterday, 08:26 PM

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