Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
Yesterday, 05:45 PM
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Replies: 3
Views: 82
Re: Capacitor values in boardview
Have you noticed that only one side of this board has no values listed? It's possible that the boardview doesn't have these values, or it could be the way openboardview interprets the FZ file format....
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
Yesterday, 04:14 PM
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Replies: 3
Views: 72
Re: DELL VOSTRO 14 - LA-D822P Rev: 1.0
Check CMOS battery voltage. Does laptop start after a CMOS reset? Usually I'd try replacing the BIOS EEPROM (W25Q128FVSIQ) on spec. Normally when they're defective, they won't erase properly or you...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-23-2022, 09:16 PM
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Replies: 14
Views: 406
Re: Why does PCH get shorted internally?
CPU/PCH are only made for 24 months tops for each generation. Most of the ones you see available online are pulled from old boards. Who knows if they work or not. If they don't, the vendor will blame...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-20-2022, 01:32 AM
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Replies: 5
Views: 1,224
Re: 820-00138-A Q7706 PPBUS_G3H Short
Just received one of these today with dead short across PPBUS_G3H. No prizes for guessing where the source of that one was.
U7310 was short, and so was the CPU; confirmed with voltage injection...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-18-2022, 07:54 PM
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Replies: 1
Views: 103
Bioscreator
I came across this utility called Bioscreator. A lot of the things it does can be done manually with tools like FIT and a hex editor. But I've seen no reference to this anywhere, and he want's $100...
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Forum: BIOS Requests ONLY!
05-17-2022, 05:05 AM
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Replies: 18
Views: 2,637
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Forum: BIOS Requests ONLY!
05-17-2022, 02:36 AM
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Replies: 18
Views: 2,637
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Forum: BIOS Requests ONLY!
05-17-2022, 01:56 AM
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Replies: 18
Views: 2,637
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Forum: BIOS Requests ONLY!
05-16-2022, 08:12 PM
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Replies: 18
Views: 2,637
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Forum: Schematic Requests ONLY!
05-12-2022, 01:58 AM
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Replies: 1
Views: 73
Re: Slinky 17893-1 Schematic needed
Ok didn't end up needing the schematic as I fixed it already. I've had this model come across a few times on my bench so I'll upload it here if I have to buy it down the track.
For the record,...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-12-2022, 12:05 AM
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Replies: 5
Views: 235
Re: macbook a1286 820-2915-b not turning on
The 820-3115 board has a numbered power sequence. Basically the same for this board so use that to troubleshoot. If you not getting to PM_SLP_S4 there can be many reasons for it.
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Forum: Schematic Requests ONLY!
05-11-2022, 07:47 PM
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Replies: 1
Views: 73
Slinky 17893-1 Schematic needed
From an Acer Sp314-51. Motherboard is a Wistron Slinky 17893-1.
Schematic/boardview is on a few paid sites, just seeing if anyone has it before I shell out.
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-11-2022, 06:36 AM
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Replies: 4
Views: 134
Re: Mac book Mac 1534 screen
Look for a defective one on eBay with a shorted CPU and steal the screen off it.
The vendors on Aliexpress will send you a pictures of the screen under test prior to shipping. Despite that, I've...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-08-2022, 09:51 PM
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Replies: 15
Views: 557
Re: No Trackpad a1278
I meant OPTION on boot. It's all easily circumvented by dumping the BIOS and editing it. Plenty of resources here on how to alter serial number, remove password, clean the ME etc. There are others...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
05-08-2022, 03:17 PM
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Replies: 15
Views: 557
Re: No Trackpad a1278
Find my MAC can become an issue if they've enabled lost mode. In that event, it will put a password on the EFI when it connects to the net. I'm not really sure about the status after removal, since I...
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