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Search: Posts Made By: freeboxman
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-05-2021, 02:23 PM
Replies: 10
Views: 475
Posted By freeboxman
Re: Acer A517-51 LA-E891P LAN+wireless adapter not working

I haven't reflow the components yet, but I checked caps values on board.

The wireless adapter issue is related with the LAN chip?
Do you think the problem is the PCH itself? reflow?
...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-05-2021, 12:23 PM
Replies: 10
Views: 475
Posted By freeboxman
Re: Acer A517-51 LA-E891P LAN+wireless adapter not working

The laptop working fine with my SSD except LAN and wireless adapter not detected in operating system.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-05-2021, 11:30 AM
Replies: 10
Views: 475
Posted By freeboxman
Re: Acer A517-51 LA-E891P LAN+wireless adapter not working

Hello Mon2,

The power adapter isn't the original one 45W, but the same amperage recommended by acer 2.37A(label on the bottom of product).

Without the SSd M.2, i've screen with acer logo and...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-05-2021, 08:38 AM
Replies: 10
Views: 475
Posted By freeboxman
Re: Acer A517-51 LA-E891P LAN+wireless adapter not working

Hello,

+regout= 1.02V

I don't know what happens, but I remember that since I tried to insert the usb key the pc has stopped working.
I forgot to specify that I changed the M.2 ssd, because the...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 12-05-2021, 06:42 AM
Replies: 10
Views: 475
Posted By freeboxman
Acer A517-51 LA-E891P LAN+wireless adapter not working

Hello guys,

I've some issues with my laptop Acer A517-51. LA-E891P r1A

initially,I tried to insert by mistake a usb key in the RJ45 port. The realtek RTL8411b ic got very hot. the SDD m.2 was...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-13-2020, 02:01 PM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Hello,

the problem is solved. and the laptop working fine.

it was the Bios battery. however, I checked the voltage when I started my tests, I had 2.95V. :wtf:

today, i changed the battery...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-01-2020, 12:35 PM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Hello Guys,

Sorry, i diden't find R376. the schematic seems not to be for the same model(my MB is scala3-17 and i can't find anything about that).

I removed Q43, and now i have 1.5V on pin 30...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-30-2020, 11:51 AM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Hello,

CHP3_DRAMRST_GATE i have 3.3V, but MCP1_DRAMRST_DRIVE# show 0.085V.
also MCP1_DRAMRST_DRIVE# come only from R393(other side of R393 connected to ground) and CPU pin R8 how can i test that...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-29-2020, 11:04 PM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Hello,

DRAMRST 1.5V comes from where? Q43?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-29-2020, 10:15 AM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Thank you for your help.

DRAMRST on pin 30 slot 1 or slot2, i have 0.0852V
Consumption with ram 0.2A, and without ram 0.19A~0.2A

Coil L3 Ram power i have 1.5V

i think the board is...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-28-2020, 02:54 AM
Replies: 14
Views: 1,510
Posted By freeboxman
Re: SAMSUNG scala3 cpu core missing

Hello,

thank you for reply,

i have already to reflash bios, but nothing changed.

214875
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-27-2020, 02:08 PM
Replies: 14
Views: 1,510
Posted By freeboxman
SAMSUNG scala3 cpu core missing

hello,

I have a samsung laptop NP300E7A, after pushing the power button, nothing in screen and the fan spin full speed.

the issue started since putting admin and user password in the bios,
and...
Forum: BIOS Requests ONLY! 06-27-2020, 01:29 PM
Replies: 6
Views: 1,039
Posted By freeboxman
Re: Samsung np300e7a bios

thank you for your help, but didn't solve my issue.
the issue started since putting admin and user password in the bios,
and also the cpu core was missing. I thought the bios was corrupted.

I'm...
Forum: BIOS Requests ONLY! 06-27-2020, 07:14 AM
Replies: 6
Views: 1,039
Posted By freeboxman
Re: Samsung np300e7a bios

Thank you SMDFlea.

i will try it.
Forum: BIOS Requests ONLY! 06-26-2020, 01:47 PM
Replies: 6
Views: 1,039
Posted By freeboxman
Re: Samsung np300e7a bios

Hello,

I'm back


214779


thx
Forum: BIOS Requests ONLY! 06-20-2020, 07:14 AM
Replies: 6
Views: 1,039
Posted By freeboxman
Samsung np300e7a bios

Hello,
i need a SAMSUNG NP300E7A BIOS .

the mother board is,

SCALA3-17 rev1.3 BA41-0175A HST


THANKS
Forum: Schematic Requests ONLY! 06-19-2020, 09:35 AM
Replies: 3
Views: 1,262
Posted By freeboxman
Forum: Schematic Requests ONLY! 06-18-2020, 06:11 AM
Replies: 3
Views: 1,262
Posted By freeboxman
SCALA3-17 rev1.3 BA41-0175A HST Schematic

Hello,
i need a SAMSUNG NP300E7A SHEMATICS diagram .

the mother board is,

SCALA3-17 rev1.3 BA41-0175A HST


THANKS
Forum: Schematic Requests ONLY! 04-22-2018, 09:31 AM
Replies: 5
Views: 5,093
Posted By freeboxman
Re: boardview dell n5010 dg15 09909

hello,

i find it

thanks
Forum: Schematic Requests ONLY! 04-22-2018, 08:33 AM
Replies: 5
Views: 5,093
Posted By freeboxman
boardview dell n5010 dg15 09909

hello guys,

i have some issues with my laptop(short to ground).

somebody can help me to found boardview for dg15 09909-1 48.4hh01.011 uma?

thanks
Forum: Schematic Requests ONLY! 04-22-2018, 08:04 AM
Replies: 13
Views: 1,375
Posted By freeboxman
Forum: Announcements & Related News 04-22-2018, 07:55 AM
Replies: 31,010
Views: 3,547,777
Posted By freeboxman
Re: New Members - please post your introductions here

Hi Guys,

Im from france, nice to meet you all
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