I have a Samsung UE75TU6905 from 2021, with a maximum of 10 hours of usage as it has been used as a presentation TV in the office. It started rebooting, the picture disappears, the sound continues for 2-3 seconds, and then it restarts (Samsung logo with Tizen OS), after which it returns to the previous activity. I tried disconnecting HDMI, antenna, WiFi, and using different power outlets, and it seemed to improve (or so I thought). Before, it happened occasionally, but now it happens all the time, so the TV stays on for a maximum of 30 seconds.
I read on Samsung's website (reviews)...
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09-07-2024, 07:20 AM
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09-04-2024, 01:45 AM
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Hello all,
This is my first post, but long term lurker on the form learning as much as possible about these TV's. I was given this TV as due to a power outage of constant On/off of power to TV. The TV originally would just click on and off (Typical Reboot Cycle). I opened the back of the TV, and troubleshooted by taking the 96 pin LVDS off one at a time to see if I had a picture on either side. I finally fixed the reboot cycle by finding the error on the left side of the screen off connector CN 1301, and the TV would stay on. Further troubleshooting led me to the driver boards where...09-11-2024, 07:39 AM -
Bios Dear all, Please I need to remove bios password from this dump. I tried the but no power on. Please help thanks[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3329473}[/ATTACH]...08-14-2024, 05:08 PM
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Hello. Lenovo Legion 5 15ACH6H 82JU PF303BT1, board HY660 HY661 HY561 HY572 HY56C HY57K NM-D562 Rev:2.0 2021-01-25.
Starts up, the keyboard backlight lights up, the sound of the Windows 11 password entry window loading is heard, the backlight brightness is adjustable on the keyboard,
when pressing caps or numlock there is an indicator, there is no picture either to its own or to an external one via HDMI. I checked the board under a microscope, ok, clean and untouched.
I threw in a matrix (FHD, 40 pin, 144Hz), flashed the BIOS (official, took the latest gkcn65ww and one earlier...08-23-2024, 07:35 AM -
Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I] rev 1.0Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I] rev 1.0Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I]...Yesterday, 04:56 PM -
hello Everyone,,
can you plz help me to remove the bios password for the file below
Acer Aspire One Series ZE7
S/N:LUSGD0801321104CCB7614
thanks in advance...Today, 05:09 AM -
Hello guys and gals! I have just received a Milwaukee 2890-20 Jobsite radio for repair. The device powers up and the display works correctly, the buttons function, and the speakers do produce some sound although it is a rhythmic thumping sound instead of the expected usual static. I have been searching high and low for a schematic for the board so I can get this unit back up and running as it should. Anyone have a diagram laying around they wouldn't mind sharing? I would appreciate it. Awaiting the necessary tools to enter the case...some of the screws are recessed almost 4 inches deep in a hole!...Today, 08:25 AM
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Hi, my USB ports were hanging every now and then when starting up. So I decided to update the BIOS of the mother. Unfortunately, after finishing the flashing through QFLASH with a pendrive of the latest firmware version, the cooler turns on, black screen and seems blocked.
Model: GA-A320M-S2H (rev. 1.2)
Processor: AMD A8 9600
Previous BIOS version: F53
I downloaded the F58d version from here (I think it's the correct one)
[url]https://www.gigabyte.com/ar/Motherboard/GA-A320M-S2H-rev-1x/support#support-dl-bios[/url]
Is there anything that...09-11-2024, 11:34 PM -
Hi Guys, I desperately need your advice on this set.
When pressing standby to "ON" then the Panel has a pre charge flash and further no image. The audio works 100%. I have the TV plugged into HDMI input.
I measured all the main board voltages and they are all correct according to service manual. I then went to the logic board and put a wire on the "Auto" to generate
its own test patterns. This works, telling me that the plasma panels are ok. After removing the jumper we go to having a black image.
I cleaned the ribbon from the main to the logic board,...Yesterday, 03:21 AM -
Hi guys, I have an issue with a laptop, it has power but wont power on.
I have all S5 power rails present and have check many other voltages, all seem ok.
I don't know what next to check, suspecting a southbridge issue maybe.
Can anyone give me any tips for this one.
Thank you
[COLOR=#8e44ad][B]Link to schematic[/B][/COLOR] [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/3460603-la-5912p-schematic[/url]Hi guys, I have an issue with a laptop,...Today, 08:03 AM
-
Hello, I have a problem with lenovo all in one ThinkCentre M800z, mb: lm70z 14072-1, ih110sw/v1.0, It turns on and post no picture, i think that the problem is with the bios, the attached dump of the main bios 8mb, there are three spi flash on the board in total.
the board stopped working after windows update and reboot....Today, 05:56 AM -
-
hello Everyone,,
can you plz help me to remove the bios password for the file below
Acer Aspire One Series ZE7
S/N:LUSGD0801321104CCB7614
thanks in advance...Today, 05:09 AM -
Hello guys and gals! I have just received a Milwaukee 2890-20 Jobsite radio for repair. The device powers up and the display works correctly, the buttons function, and the speakers do produce some sound although it is a rhythmic thumping sound instead of the expected usual static. I have been searching high and low for a schematic for the board so I can get this unit back up and running as it should. Anyone have a diagram laying around they wouldn't mind sharing? I would appreciate it. Awaiting the necessary tools to enter the case...some of the screws are recessed almost 4 inches deep in a hole!...Today, 08:25 AM
-
Hi guys, I have an issue with a laptop, it has power but wont power on.
I have all S5 power rails present and have check many other voltages, all seem ok.
I don't know what next to check, suspecting a southbridge issue maybe.
Can anyone give me any tips for this one.
Thank you
[COLOR=#8e44ad][B]Link to schematic[/B][/COLOR] [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/3460603-la-5912p-schematic[/url]Hi guys, I have an issue with a laptop,...Today, 08:03 AM -
Hello all, Really sorry if I have posted in the wrong place, the reason I am posting on this thread is that its the same motherboard model number.
I think 455 g9 and 445 g9 have the same bios.
Can someone please help to remove the password, I am lost with this one.
HP ProBook 445 G9
S:N, 5CD240DX56
Motherboard, DAX9SFMB8A0 REV A
Thanks so much....Today, 04:37 AM -
Last night when I was doing a Google search on the internet I was searching for empty rack mounted enclosures and I found this website where I found some 5u enclosures for a reasonable price these enclosures are being discontinued so for this reason until I place an order I not going to post the website link because I need to make sure that we are working Saturday if we are going to work Saturday then I will place the order tonight and I will post the website for them
I want to reuse my rack mount cart that I have not been using sense I have do my projects in my new shed but I going...Today, 06:47 AM -
i need optiplex 7010 bios
the main bord has 2 chip bios
1-w25q32bv 4 pin
2-w25q64fv 16 pin
there are no backup the 2 chip was empty11-23-2019, 06:32 AM -
Everyone is buying the wrong CH341A programmer, I have learned from my mistake. Don't buy the Black one or Green one.
Buy this one in the photo. Most stable and all your common problems (reading but not writing/erasing, software hanging, disconnects after attaching chip, test cable connected but chip not found/ device disconnected) will be gone.
Otherwise you'll have to solder capacitor from GND to VCC if you have those symptoms in your black or green miniprogrammer....09-11-2024, 02:03 PM -
Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I] rev 1.0Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I] rev 1.0Lenovo Thinpad E14 GEN4
issue: It works but it has a bios code
Model: Lenovo Thinpad E14 GEN4
Serial Number: PF-438C9R
Motherboard Code: [I]JE443[/I]/JE543 [I]NM[/I]-[I]E501[/I]...Yesterday, 04:56 PM