Hello, I am back again, sorry for disappearing!
I was working on an Asus motherboard which might have a bad PCH.
So I had this Graphics card which seems to be showing something on the screen but it's full of artifacts, and I decided to make a new thread because I was in a wrong path!
I reballed the A0 channel, and then removed both A0 and D1 vram chips and the card is still showing the same artifacts with only a bit of change on the corrupt lanes.
I am starting to suspect the core.
I tried tserver memfa test but it gives me an error :[B] [error][Framework]...
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Yesterday, 08:46 PM
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Yesterday, 02:54 PM
-
The laptop won't start. When plug power supply, on 19V in gives me 0,14A, without turning on the laptop.
I check it with thermal camera, and there is one resistor that is very hot, I change the resistor with new on but the result is the same.
In the attachment there is schematic of the resistor area, and schematic of the laptop.
I can't understand, why this resistor is getting so hot....Today, 01:24 AM -
I apologize in advance for asking for help, but because I have tried using various methods but the results are still the same, in fact now my Surface Pro 1796 is very slow to open or do anything after I change the correct BIOS,
Please help me to repair my original bios file,
here is my surface pro 5 1796 data
Surface pro 5 1796 8gb/256gb
SN: 048033372753
M1007506-015
The original bios is locked and damaged
and now I use the bios downloaded from this forum
Thank you very much in advance for those who have helped...Yesterday, 04:25 PM -
I can't seem to flash a new BIOS normally with the .exe file provided by Lenovo, so I'm looking for help. Every time I try I get an error message that reads "New BIOS region (1000000h) does not match with current (C00000h)"
I've extracted the .bin files from both the UB1/UB2 chip (8MB) and also from the UB3 chip (16MB) using a flash programmer although I am not sure if both need to be flashed or just one. Can I get help getting working .bin files from the latest BIOS version for each chip respectively to see if that works? I've extracted the bios.fd file myself and then...05-03-2024, 12:07 PM -
Please can some one help me repair my bios
On but not display, it blinking 2 orange 7 white light by the power side led
Dell Inspiron 7306 2-in-1
Service Tag: 626BS93
EX: 13192253895...Yesterday, 06:52 AM -
Hello,
I am new to repairing computer electronics, so excuse any mistakes I make.
A friend of mine had a broken graphics card (MSI Radeon RX 5700 XT MECH OC) and gave it to me. It does not power on or show any signs of life.
I identified what looks like the remains of a blown capacitor at the bottom of the board (see picture).
I wanted to replace the capacitor, but I have two questions:[LIST][*]Does this repair have a chance of working? or is a blown capacitor a sign something else is wrong?[*]How do I determine the rating/value of this capacitor?...Yesterday, 09:56 AM -
my laptop has a weird power-on issue.
Once the laptop has been powered on, it can restart/ wake just fine on battery power or Adapter, ONLY If i have not closed the LCD.
If i am running on battery and have closed the LCD (even momentarily). it will not power-on/ wake-up on battery power no matter the battery percentage.
but once i open the LCD and connect it to the adapter (even momentarily) it will wake up gain and I wont experience any issues till i close the LCD.
i do not know where to look for repair.
thank you all for any advice.04-30-2024, 04:36 PM -
Where do I get the software for Sony / Hisense tvs to install to emmc?Yesterday, 12:10 PM
-
I've had this [URL="https://www.panasonic.com/global/energy/products/eneloop/en/lineup/charger-bq-cc63.html"]Eneloop charger [/URL]from new, and it works fine but has always made a really irritating ticking sound roughly once per second when more than one battery was inserted. I found the noise to be coming from the OB5222AG PWM DIP-8 IC. I tried replacing it with an identical part - the problem persists but rather than a ticking, it now sounds like a squeal. The problem is there are no spec sheets for this IC [I]anywhere[/I] and no information besides it being a PWM IC, so I have no...05-03-2024, 10:08 AM
-
Hi everyone!
I have this board that suddenly stopped supplying power to an output that drives an interchanger cleaner motor.
I checked while the board was in place with all wires attached and there's no AC voltage on the corresponding plug X5
This X5 is driven by fuse F8 (tested OK) which comes from the second orange relay
To make sure there are no charcoaled contacts inside the relay, I got a 24VDC power supply and got it ready to manually power up the coil side of these relays.
I respected the polarity, positive to cathode of protecting diode
So provided all...04-18-2024, 01:15 PM
-
The laptop won't start. When plug power supply, on 19V in gives me 0,14A, without turning on the laptop.
I check it with thermal camera, and there is one resistor that is very hot, I change the resistor with new on but the result is the same.
In the attachment there is schematic of the resistor area, and schematic of the laptop.
I can't understand, why this resistor is getting so hot....Today, 01:24 AM -
Hi All
Been a while since I have been here, and a bit rusty.
I have the above laptop motherboard that was working and now the charging circuit is faulty.
Have 19v in fine until it hits PU4403 - not shorts I can see and thermal cam reveals nothing.
I have swapped out the ISL9538 and also the two mosfets (PU4403 and PU4405). Have 2.8v at the power switch, which pulls low when pressed - charging light comes on and goes straight off
Below are measurements (pin names are per the datasheet for the ISL95338 (couldn't find one for ISL9538,...05-03-2024, 03:25 AM -
Where do I get the software for Sony / Hisense tvs to install to emmc?Yesterday, 12:10 PM
-
Hello Guys,
I am not familiar at all with plasma tv's but i tried my luck anyway since business is so bad. We gotta try, right?
Anyway, the original problem was a tv clicking and not starting due to a short circuit on the Z-Sustain board (on the right side from the rear).
I found two transistors shorted (30F123) and changed the gate driver ic's as well. I think they were FAN73711. I soldered for dry joint on power supply, Y-Sustain and Z-sustain. Started up the TV and the short was gone so i had an image but.....
Lots of colorful speckles on the image and also there...Yesterday, 11:01 AM -
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16"05-03-2024, 07:16 AM -
I apologize in advance for asking for help, but because I have tried using various methods but the results are still the same, in fact now my Surface Pro 1796 is very slow to open or do anything after I change the correct BIOS,
Please help me to repair my original bios file,
here is my surface pro 5 1796 data
Surface pro 5 1796 8gb/256gb
SN: 048033372753
M1007506-015
The original bios is locked and damaged
and now I use the bios downloaded from this forum
Thank you very much in advance for those who have helped...Yesterday, 04:25 PM -
Hello,
Is it possible to extract bios password from Bios dump instead of clearing the password? I have a EliteBook 840 G8 and would really need to know some way to extract the bios password and se it in clear text.
Best Regards12-13-2021, 02:29 PM -
Hello Badcaps!
I am trying to troubleshoot my Allen & Heath Xone:02 DJ mixer. I have had this for somewhere close to 20 years and have played music through it in one form or another pretty much every single day since I've had it, though these days it's usually from a wireless streaming receptacle (Apple Airport) more than the turntables that are also connected to it.
This week my music stopped working, and after a bit of a wild goose chase, I realised my mixer was dead. I checked the 500mA fuse in the device beside the power supply and found it was blown, so I replaced...Yesterday, 12:07 PM -
Good morning
I am encountering a problem on an Asus X421EA card which no longer starts; I checked the voltages, the 5v and 3vd are missing, has anyone encountered this problem, I have been looking for several hours without finding the source of the problem. Thank you!05-03-2024, 02:27 AM -
Please can some one help me repair my bios
On but not display, it blinking 2 orange 7 white light by the power side led
Dell Inspiron 7306 2-in-1
Service Tag: 626BS93
EX: 13192253895...Yesterday, 06:52 AM