Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
02-02-2022, 02:02 PM
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Replies: 5
Views: 289
Re: Dell LA-C571P - Won't Charge - Battery 255%
Well, thanks for your help mon2. You lead me on the right track and I was able to solve it from there. The charging IC was to blame. I just so happened to have a donor board that had separate issues....
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
02-02-2022, 08:47 AM
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Replies: 5
Views: 289
Re: Dell LA-C571P - Won't Charge - Battery 255%
Pin 15 VFB: 1.5mV
Same voltage on both sides of resistor PR726
Not sure if you wanted these measurements with or without battery installed. Here are the voltage readings WITHOUT the battery...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
02-01-2022, 04:01 PM
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Replies: 5
Views: 289
Dell LA-C571P - Won't Charge - Battery 255%
Hello,
This motherboard reports that no battery is installed, although it will power on from the battery if there is a charge on it. It also will not charge the battery and reports the percentage...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
12-04-2021, 11:09 AM
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Replies: 2
Views: 262
820-4924 - No Power - Gets Green Then Orange Light
Board had previous liquid damage. It was initially ultrasonic cleaned. Keyboard, battery, and trackpad flex cable were all replaced and it worked fine. Board is back for no power. Hoping someone can...
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Forum: Troubleshooting TVs and Video Sources
11-03-2021, 03:10 PM
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Replies: 3
Views: 368
Samsung UN50MU6070FXZA - HDMI Ports Not Working
Hello. Samsung UN50MU6070FXZA here with both HDMI ports non-working. I have already verified multiple sources and multiple cables to ensure it isn't something simple like that as well as resets and...
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Forum: Troubleshooting TVs and Video Sources
09-15-2021, 07:43 AM
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Replies: 1
Views: 430
TCL 50S425 Roku TV Boot Loop
Hello again. This time it's a TCL 50S425 Roku TV that is stuck in a boot loop.
https://i.imgur.com/PbNXDvl.jpeg
The TV will power on, display the TCL logo for a few moments, and then the TV...
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Forum: BIOS Requests ONLY!
08-19-2021, 09:06 AM
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Replies: 7
Views: 321
Re: Lenovo Flex 14IWL Bios Editing Help
Awesome! It worked! I flashed your BIOS image and as soon as I pressed power and saw a fan spin, I knew it was going to be fixed. Of course, I waited for full boot and I can happily report that it is...
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Forum: BIOS Requests ONLY!
08-19-2021, 08:13 AM
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Replies: 7
Views: 321
Re: Lenovo Flex 14IWL Bios Editing Help
Well, I followed everything twice and I am not getting that SHA-1 checksum you have. After two separate attempts, two different test bios files I made, I get the same checksum, but it isn't matching...
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Forum: BIOS Requests ONLY!
08-19-2021, 05:02 AM
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Replies: 7
Views: 321
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Forum: BIOS Requests ONLY!
08-18-2021, 02:54 PM
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Replies: 7
Views: 321
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Forum: BIOS Requests ONLY!
08-18-2021, 02:49 PM
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Replies: 7
Views: 321
Lenovo Flex 14IWL Bios Editing Help
Hello,
I have a Lenovo Flex-14IWL here that I believe might be suffering from a corrupt BIOS. The device tries to power on, but black screen and no fan spin. The power LED then quickly turns off....
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
07-20-2021, 08:56 AM
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Replies: 30
Views: 2,004
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
07-20-2021, 08:21 AM
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Replies: 30
Views: 2,004
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
07-20-2021, 08:07 AM
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Replies: 30
Views: 2,004
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
07-20-2021, 07:54 AM
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Replies: 30
Views: 2,004
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
07-19-2021, 09:54 AM
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Replies: 30
Views: 2,004
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