Hello,
My laptop's touchpad is not working. I have tried software, touchpad and touchpad fpc. I think the motherboard is faulty, can you share motherboard schematics or how can I fix the problem?
Model
X542UR-GQ272T
Part No
90NB0FE2-M03490
Part Desc
AS X542U 7500U/1DG5/12G/TU
Part Specification
X542UR-1BGQ/8SL/V/WAC/A08
Have a good day,...
No content found
Please log in to your account to view your subscribed posts.
| 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: 41,672
|
234 | 41,672 |
|
|||
| 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 |
|
|||
| 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: 6,791
Posts: 37,179
Last Post:
acer a314-32 on-board ram disable via bios
|
6,791 | 37,179 |
|
|||
|
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: 31,752
Posts: 302,482
Last Post:
ASUS ROG G513 Schematic + Boardview Needed
|
31,752 | 302,482 |
|
|||
|
Sub-Forums:
| ||||||
|
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
Last Post:
Asus VG278 mosfet identification ?
|
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
Last Post:
LG49UH603v No image backlight on
|
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
Last Post:
i need dump for printer canon G3430
|
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: 2,317
Posts: 27,419
Last Post:
faulty loudspeaker amplifier-no sound output
|
2,317 | 27,419 |
|
|||
|
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 |
by CapLeaker
04-19-2024, 11:39 AM
|
|||
|
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
Last Post:
Post your worthless and/or pointless repairs
|
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: 19,362
Last Post:
ACHI IR6500 getting it to work
|
1,375 | 19,362 |
|
|||
-
Today, 03:40 AM
-
Hi all good morning i have a Toshiba Satellite Pro R50-EC-132
PART No: PT5A1E-1HQ038CE Serial Number: 70135628H
ASympthon is computer turns ON an it shows Logo of Dynabook as stated on picture but doesnt continue to boot
Please check Bios for me becaus i think is corrupted:...Today, 04:15 AM -
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 -
I've several amplifiers of different sizes which are faulty. I haven't fixed them because I haven't a clue. This is the smallest culprit. 240v in (UK) and 12v dc to the board. Small neon lights when power button is on. Different dc voltages across all of the capacitors. Where do I go from here?Today, 04:43 AM
-
device: laptop
make: acer
model: aspire a314-32
board code: da0z8gmb8f0 rev: f
request: disable onboard ram...Today, 04:20 AM -
Hello,
This Macbook Pro 2018 boots up and then gets stuck on the logo.
All the normal methods of resetting this Macbook have been tried but do not work.
I cannot get into recovery mode and there is no bar displaying, it's just the white logo on a black background.
Any help would be greatly appriciated....04-18-2024, 11:51 PM -
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 -
I tried installing the software that came with this new IR6500 but I get a C++ undefined error so I am stuck with non working software.
Tried downloading this software:
[url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/equipment-usage-soldering-techniques-and-reviews/72041-altec-pc410-bga-rework-to-communicate-with-pc[/url]
It did not open as well.
Anybody with an IR6500 that can help me out a little bit?https://I tried installing the softw... so I am stuck04-02-2024, 04:52 AM -
I have the above mentioned MBP, quick scan with thermal camera revealed that only U3200 was heating up. I found that C3208, C3219 and C3205 were all reading ~6.8ohms to ground.
so I swapped U3200.
I connected the PSU again for a quick check on thermal it's drawing about the same amount of current but now I'm seeing only heat radiating from U7800 and the T2 chip from under the black shielding fabric, and the bottom of the board.
It's hard to judge the actual temperature without removing the shielding.
Does anybody have any insights?
PPBUS_G3H is...04-23-2024, 06:07 PM -
-
Hello,
My laptop's touchpad is not working. I have tried software, touchpad and touchpad fpc. I think the motherboard is faulty, can you share motherboard schematics or how can I fix the problem?
Model
X542UR-GQ272T
Part No
90NB0FE2-M03490
Part Desc
AS X542U 7500U/1DG5/12G/TU
Part Specification
X542UR-1BGQ/8SL/V/WAC/A08
Have a good day,...Today, 03:40 AM -
Hi all good morning i have a Toshiba Satellite Pro R50-EC-132
PART No: PT5A1E-1HQ038CE Serial Number: 70135628H
ASympthon is computer turns ON an it shows Logo of Dynabook as stated on picture but doesnt continue to boot
Please check Bios for me becaus i think is corrupted:...Today, 04:15 AM -
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 -
-
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 -
I've several amplifiers of different sizes which are faulty. I haven't fixed them because I haven't a clue. This is the smallest culprit. 240v in (UK) and 12v dc to the board. Small neon lights when power button is on. Different dc voltages across all of the capacitors. Where do I go from here?Today, 04:43 AM
-
device: laptop
make: acer
model: aspire a314-32
board code: da0z8gmb8f0 rev: f
request: disable onboard ram...Today, 04:20 AM -
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 -
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 -
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