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Search: Posts Made By: mielta
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-28-2022, 06:55 AM
Replies: 8
Views: 148
Posted By mielta
Re: KB9028 RT9809F Programming

Hi
I think you must have like this...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-26-2022, 08:40 AM
Replies: 15
Views: 528
Posted By mielta
Re: Dell Latitude 5590 ,strange behavior

Hi
Remove coils PL610-613 and see what happend
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-26-2022, 03:29 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

you can try an new one but

i think its CPU
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-26-2022, 01:51 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

Pin 119 on EC Chip susb# when you switch Powerbutton on
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-25-2022, 03:52 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

you can try flashing EC Chip you find it in Biossection
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-25-2022, 03:38 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

pin 112 must be 3,3v when you press Powerbutton
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-25-2022, 03:23 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

than you have EC power in first post you wrote you miss EC power
check Pin 107 and 112 from EC chip
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-25-2022, 02:18 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

check pin 26/50 from EC chip (IT8987E)
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-23-2022, 05:36 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

Check PR30 at Page 22
and search the PDF at 680_LDO and than check the way to +3V_LDO_EC
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-22-2022, 03:05 AM
Replies: 21
Views: 573
Posted By mielta
Re: DA0ZQFMB6F0 REV F no power

Hi
Check PU7 mesuremants
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-07-2022, 10:22 AM
Replies: 3
Views: 143
Posted By mielta
Re: La-c701p

change Keyboard
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-30-2022, 06:46 AM
Replies: 1
Views: 93
Posted By mielta
Re: Harddrive motherboard

Hi
Yes you can but you must change the Bioschip from the old one
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-18-2022, 09:06 AM
Replies: 21
Views: 853
Posted By mielta
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-18-2022, 09:05 AM
Replies: 3
Views: 177
Posted By mielta
Re: Toshiba cosmio g40-11d

check 3v at EC Controller
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-18-2022, 08:21 AM
Replies: 3
Views: 177
Posted By mielta
Re: Toshiba cosmio g40-11d

Hi
Measure at Powerbuttom if there is 3.3V
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-18-2022, 08:19 AM
Replies: 21
Views: 853
Posted By mielta
Re: Acer a315-25-95kf

Hi
Remove PU2 and mesure again
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-10-2022, 11:09 AM
Replies: 4
Views: 423
Posted By mielta
Re: Need close-up image of ASUS X442U Motherboard

Hi
Search in Forum for X442 and you will find Boardview . I think that can Help
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-22-2022, 03:09 AM
Replies: 17
Views: 849
Posted By mielta
Re: NEED HELP! Battery issue - AA06XL - HP ZBOOK 17 G4

Hi
Look here I think this is also a very good alternative
https://www.youtube.com/channel/UCbnQ1gA13Wj3aTF5KkU5nOg
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-10-2022, 08:49 AM
Replies: 56
Views: 1,752
Posted By mielta
Re: Lenovo Thinkpad L560 No backlight

mesure pin 7 + 8 bkoff# and invpwm and write how much volt it is
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-30-2021, 02:46 AM
Replies: 11
Views: 792
Posted By mielta
Re: acer aspire 3 a315-41 auto restart

Hello
Thermal sensor ? I think no
Messure resistance from all coils to ground if same shorted
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-04-2021, 05:10 AM
Replies: 13
Views: 987
Posted By mielta
Re: ASUS FX705GD FX505GD MB REV 2.0 - restarts during boot

Hi
It is possible that the GTX makes problem while loading Nvidea Treiber
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-14-2021, 02:39 AM
Replies: 67
Views: 3,404
Posted By mielta
Re: Dell E5440 completely dead

is it possible that PR21 has been lost.
Because PQ4 is a P-channel mosfet and the gate should
have about 10v. If PR21 were there it would form a voltage divider with PR14 at which about 9.5V would...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-13-2021, 03:35 AM
Replies: 3
Views: 329
Posted By mielta
Re: Acer laptop not detecting the harddrive

Hi
Both are possible
Reball it and see
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-13-2021, 01:59 AM
Replies: 67
Views: 3,404
Posted By mielta
Re: Dell E5440 completely dead

Hi
Check PQ400 and check short to ground on PR400
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-07-2021, 01:57 AM
Replies: 5
Views: 636
Posted By mielta
Re: NM-A381 Lenovo yoga 3 14 no power

Yes change Pu301 ,PQ301 +302 and before Power on check if there any other short
Showing results 1 to 25 of 350

 
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