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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: 725
Last Post: Capacitor ESR
45 725
Behemot
by Behemot
Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
Topics: 232 Posts: 38,634
232 38,634
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: 3,148 Posts: 32,391
3,148 32,391
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: 4,463 Posts: 74,517
4,463 74,517
Topcat
by Topcat
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: 3,869 Posts: 43,596
3,869 43,596
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: 6,419 Posts: 35,023
6,419 35,023
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: 494 Posts: 5,400
494 5,400
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: 30,161 Posts: 166,029
30,161 166,029
Sub-Forums:
BIOS Requests ONLY! (12,056/139,249)
Schematic Requests ONLY! (4,463/26,780)
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: 5,273 Posts: 75,395
5,273 75,395
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: 27,122 Posts: 370,080
Last Post: Samsung ue49mu6120
27,122 370,080
Jeffaas
by Jeffaas
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: 4,096 Posts: 64,413
4,096 64,413
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: 290 Posts: 1,595
290 1,595
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: 2,253 Posts: 26,995
2,253 26,995
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: 187 Posts: 3,572
187 3,572
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: 940 Posts: 10,488
Last Post: Xbox Series S SSD
940 10,488
m4a2t0t
by m4a2t0t
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: 1,354 Posts: 19,165
1,354 19,165
Classifieds
For Sale / For Trade
Computer-related HARDWARE only! Sell or trade some of that stuff you have lying about your closet floor...
Topics: 555 Posts: 2,478
555 2,478
rilya
by rilya
Looking To Buy
Looking for something? Let us know... Maybe one of us has it in our junk pile!!
Topics: 725 Posts: 3,287
725 3,287
mitjats
by mitjats

What's Going On?

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There are currently 634513 users online. 2845 members and 631668 guests.

Most users ever online was 1,042,489 at 09:08 AM on Yesterday.

Badcaps Statistics

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Topics: 108,299   Posts: 1,127,368   Members: 469,802   Active Members: 17,503
Welcome to our newest member, leon yes.

Latest Topics

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  • smohamad
    Z book 17 g2 no display not turning on properly
    by smohamad
    Hello there I have a Zbook 17 g2 with la-b391p
    I lost the original bios.bin
    I did install stupidly only once the main bios-chip backward then I changed the bios-chip with a new one
    I don't know what is my me-version
    And I don't know if I haven't DMI in bios .bin it brings failure or not?
    I have only EC original .bin
    I tried some bois files but after some blinking led's it goes on high-speed fan and no display
    before my manipulation, it was working very well.
    I don't know if I damaged some parts like PCH or it is just the bios has a problem
    ...
    Today, 01:58 PM
  • unionjam
    MacBook Pro A1502 BIOS lock
    by unionjam
    Hi friends,

    Please could someone help me with my BIOS lock ?

    I unsoldered MX25L6473E bios chip from 2015 board and read data trought CH341.
    Now I have bios dump hex.

    SN: C02R3XZHFVH5

    Can someone send me working bios please?
    Thank you so much.
    Tom....
    Today, 01:57 PM
  • silentrunning
    Circuit board starts only when warm air passes over it.
    by silentrunning
    I have an air con appliance that doesn't always start when power is applied. I have removed the small control board which is separate from and supplied by a 24v power supply (that works fine) and inspected it for any obvious failed components but can see none. I have discovered that the board will start if I wave a hair dryer over it for a few seconds. The board appears to have no temperature sensors or sensitive components on it. Can anyone suggest what the most likely candidate for a failure mode of this form.
    Many thanks.
    John...
    Today, 01:49 AM
  • m4a2t0t
    Xbox Series S SSD
    by m4a2t0t
    Is it possible to replace the internal SSD in the Series X|S? The SSD is dead and I cant extract the boot partition. Can I use a donor partition?
    Today, 01:54 PM
  • jougounou
    canon imagerunner advance 4545i iii FW
    by jougounou
    canon imagerunner advance 4545i iii FW needed pls

    ​...
    Today, 01:49 PM
  • Demetrio87
    Legion t 5 front audio panel connection problem
    by Demetrio87
    Hi everyone, I hope someone can help me solve my problem, I have the case of a legion t5 where I have installed an asus tuf gamig a520m-plus motherboard, the audio connection cable on the case is an F_audio connector with 14 PIN , on my new motherboard the connector is a 10-pin AAFP, I saw that there are adapters on sale but at the moment I have no way of having them available in a short time, I made several attempts and managed to listen from the front headphones, only that there are some problems, the headphones are only detected if the microphone is connected, I definitely got confused with...
    12-08-2023, 12:06 PM
  • edugimeno
    (old) LG 32lk330 cycles Backlight 3 times and then OFF
    by edugimeno
    Hi!! I have been given this old TV set.
    When I hit the power button, the BL (as you know this is a CFL backlight) turns on, video works fine as I can see the LG logo show off, but the backlight starts going on-off for 3 times, when it gives up and turns completly off
    This set has a inverter board on the top right corner. This inverter (or the tubes, I don't really know) buzzes very loudly during the second that the BL stays ON. I have posted a video, turn your volume UP!

    [url]https://fileport.io/9EdfmD5qtEaw[/url]

    I have checked voltages at the PS
    All...
    Today, 01:28 PM
  • chth96
    Is it okay to replace 1/2 watt resistor with 1 watt resistor in AC/DC adapter?
    by chth96
    I have purchased an 100-240v AC/5v 2a DC adaptor from aliexpress,and a month ago It smelled burning when I plugin it powerstrip.
    Since then, This AC/DC adaptor have been out of order.
    But A few days ago,I replace 0.5 watt resistor with 1 watt resistor(1ohm) in this adapter.
    After replacing resistor,It succeed to recharge all of android phone.And When I measure voltage on the two pins of USB port,It shows 5.5v
    Is it okay to replace 1/2 watt resistor with 1 watt resistor in AC/DC adapter?
    And Is there any possibility that it will suddenly explode as well as to be out...
    12-03-2023, 04:40 AM
  • tibimakai
    Fluke 189 series 1 DC voltage is off
    by tibimakai
    I have just realized that my meter is off, when I measure the car's battery, and I can't imagine how that happened.
    I also have a 87, and when I doubled checked the voltage, the 87 was showing 3.5V higher, than the 189. Most likely the 189 is off.
    Where should I start with the 189?
    Switched leads between the two meters, but nothing has changed.
    I have not opened it yet.
    Any help would be appreciated....
    11-27-2023, 10:50 PM
  • ozguven
    SONY KDL-40NX700 2 red led blink problem
    by ozguven
    When the power is turned on, a snapshot appears on the screen and it turns off. 2 red LEDs are flashing.

    I disconnected the power module cable going to the main board. I threw a power on jumper with 3.3 v from outside. The relay is working and there is 12v and other voltages in the power socket.

    Where else should I look? All fuses appear to be intact.​
    Yesterday, 02:26 AM

Trending

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  • silentrunning
    Circuit board starts only when warm air passes over it.
    by silentrunning
    I have an air con appliance that doesn't always start when power is applied. I have removed the small control board which is separate from and supplied by a 24v power supply (that works fine) and inspected it for any obvious failed components but can see none. I have discovered that the board will start if I wave a hair dryer over it for a few seconds. The board appears to have no temperature sensors or sensitive components on it. Can anyone suggest what the most likely candidate for a failure mode of this form.
    Many thanks.
    John...
    Today, 01:49 AM
  • lider2000
    thinkstation p410 bios dump
    by lider2000
    thinkstation p410 asm ( 00fc992 ) please i need bios dump
    Today, 08:47 AM
  • bajdik
    LG 39ln575s - power ON, backlight ON but no screen
    by bajdik
    LG 39ln575s - power ON, backlight ON but no screen.
    I checked TCon board V390HJ1-CE1 and VCL -8V, VCH 30.2V.
    Display is HC390DUN. With both strip is backlight only - nothing on the screen.
    If I put 1st strip off, I see 50% black 50% white. If I put 2nd strip off, see some lines vertical/horizontal with pink color (probably color of LG logo) and after that, white on thle left corner.

    The IC chip CM501 (probably booster for VCL and VCH is hot - after 1 minute is not possible to put finger for more than half second.. So I think it has got about 70C. Is it normal?...
    Today, 11:15 AM
  • arber1232
    Lenovo Legion 5 15IMH6 need bios
    by arber1232
    Hi everyone i have laptop Lenovo Legion 5 15IMH6 need bios . .
    model board is HY56F / HY56H NM-D821
    SN:PF33HWLL
    THIS IS BACKUP BIOS
    Today, 05:11 AM
  • PontyPCs
    Sony Android TVs eMMC Issues
    by PontyPCs
    Hi people.

    I have been trying to get my head round these issues with the eMMC putting the TV in to a boot loop condition, or completely dead, when a dump of the Boot 1, Boot 2 and USERDATA partitions have been made, the MLC lifetime counter has been reset, using the original eMMC with the RPMB partition intact and the eMMC is flashed with the original dump, Netflix and a few other Apps don't work. i assume all the DHCP keys and factory programmed RPMB access Key will be contained within the original dump, and as we are re-flashing the original eMMC i would expect every thing to work....
    Yesterday, 10:43 AM
  • smohamad
    Z book 17 g2 no display not turning on properly
    by smohamad
    Hello there I have a Zbook 17 g2 with la-b391p
    I lost the original bios.bin
    I did install stupidly only once the main bios-chip backward then I changed the bios-chip with a new one
    I don't know what is my me-version
    And I don't know if I haven't DMI in bios .bin it brings failure or not?
    I have only EC original .bin
    I tried some bois files but after some blinking led's it goes on high-speed fan and no display
    before my manipulation, it was working very well.
    I don't know if I damaged some parts like PCH or it is just the bios has a problem
    ...
    Today, 01:58 PM
  • unionjam
    MacBook Pro A1502 BIOS lock
    by unionjam
    Hi friends,

    Please could someone help me with my BIOS lock ?

    I unsoldered MX25L6473E bios chip from 2015 board and read data trought CH341.
    Now I have bios dump hex.

    SN: C02R3XZHFVH5

    Can someone send me working bios please?
    Thank you so much.
    Tom....
    Today, 01:57 PM
  • m4a2t0t
    Xbox Series S SSD
    by m4a2t0t
    Is it possible to replace the internal SSD in the Series X|S? The SSD is dead and I cant extract the boot partition. Can I use a donor partition?
    Today, 01:54 PM
  • jougounou
    canon imagerunner advance 4545i iii FW
    by jougounou
    canon imagerunner advance 4545i iii FW needed pls

    ​...
    Today, 01:49 PM
  • edugimeno
    (old) LG 32lk330 cycles Backlight 3 times and then OFF
    by edugimeno
    Hi!! I have been given this old TV set.
    When I hit the power button, the BL (as you know this is a CFL backlight) turns on, video works fine as I can see the LG logo show off, but the backlight starts going on-off for 3 times, when it gives up and turns completly off
    This set has a inverter board on the top right corner. This inverter (or the tubes, I don't really know) buzzes very loudly during the second that the BL stays ON. I have posted a video, turn your volume UP!

    [url]https://fileport.io/9EdfmD5qtEaw[/url]

    I have checked voltages at the PS
    All...
    Today, 01:28 PM
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