ihave dell 3521 la9104p with black screen after bios flash its working good but device manager cannot detect the ati graphic card only intel hd 4000 reinstall windows the same vga core voltage is good chip heating normaly can any one help???
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Re: please help dell 3521 la-9104p
Wrong BIOS I guess. Motherboard has UMA and discrete variants.
GPU could be dead as well.OpenBoardView — https://github.com/OpenBoardView/OpenBoardView -
Re: please help dell 3521 la-9104p
https://www.badcaps.net/forum/showthread.php?t=70874
Use this bios, update bios before installing amd drivers and then update drivers.Comment
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Re: please help dell 3521 la-9104p
thx guys it was the bios
the_boss your bios working like sharm big thx
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My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?
Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?
My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
I have tried multiple different Dell power adapters. My Dell... -
it was working yesterday, i opened it up and saw this mess. boardview and schematic uploaded for convenience.
PU200
pin 17 vreg5 = 0v ~ solder joint was corroded and flicked right off with my probe, was able to get clean and reflow, rest look fine.
pin 8 vreg3 = 0v
pin 13 en = .2v
pin 1,6 entrip1,2 = 0v
b+ and b++ = 19.5v
+5valw = 0v & 25+ohm to ground
+3valwp = 0v & 25+ohm to ground
i cleaned the board up just a little and can get more pics.
where should i be looking? thx... -
i have dell insprion 3521
hdmi port it can good work but now not disply alot of screen and i used convert hdmi to vga but not work
i tray
windows 7, windows 10, orginal vga drivers from dell, update bios
i found 5v on th e socket
what a problem?...11-06-2025, 06:24 AM -
hellolaptop dell 3521 la-9104p no light on screen
i can see data ok but no backlight
on jlvds
NV_PWR_SRC 18 v is ok
3vs is ok 3.3
lcdvdd is ok 3.3
i replacd led screen
and change flata ( caple between board and led )
any idea... -
hey all
i have dell 3521 la9104p he work only on battery and when i remove the battery and try o turn it on with charger he work for 2 seconde...
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