Hi can someone fix my bios Dell XPS 15 9500
motherboard La-191p ...
ciki
Senior Member
Last Activity: 12-03-2025, 06:46 AM
Joined: 08-30-2014
Location: galway
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Need help with this wellness machine board
This is control board of some kind of wellness machine ,when charger connected (18v) no power but when i bypass mosfet works ,is it mosfet fail or 2 capacitors ,can i use any of this from laptop motherboard like replacement or i have to order new one ,and can anyone identify 2 capacitors...
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Hi stuck on logo
TAG; J3DFR73 ...Leave a comment:
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Macbook Air Retina I/0 BOARD lid sensor
can anybody knows where is the lid_open sensor on this board... -
Macbook pro M1 A2338 820-02020 schematics boardview
hi anybody can guess this chip is for ? no schematic no boardview ,couldt find on previous model... -
Re: Macbook Air Retina 820-01958-a
thx for help I also find that PP3V3_G3H_RTC pulsing ,replace u6960 still pulsingLeave a comment:
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Macbook Air Retina 820-01958-a
Hi can anyone know where this capacitor is connected or which power line is it ?? there is no schematic or boardview for this model and on my board thic capacitor is missing and one trace is broken ,im just wonder to put capacitor from anoter board and wired loose side but dont know where... -
Re: Asus N550JV wont work from battery
AC_BAT_SYS shorted now I have to find whereLeave a comment:
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Re: Asus N550JV wont work from battery
my board is rev 2.1 ,PU800 is responsible for PPVCORE not for battery ,laptop working ok on chargerLeave a comment:
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Re: Asus N550JV wont work from battery
Replaced charger IC and all current sense resistor,new battery still same,the lack of schematic is worst nightmareLeave a comment:
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Asus N550JV wont work from battery
Hi laptop doesn't recognize battery but says fully charged ,and wont work from battery ,dont have schematic -
Re: Macbook Air A1465 820-00164-A Efi
Check first r742 on cpu power thats first to check if you dont have chimeLeave a comment:
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Acer Aspire V5 wont work from battery
Hi laptop works with charger and charge battery but wont work only with battery,try to replace battery and same I provide schematic below ,also try to replace charging chip BQ737 and its same symptoms.... -
Re: Lenovo Yoga 2 Pro - cannot turn on, keyboard blinking every 5 sec
Try replace battery charging chip ,had 2 off them same symptoms...Leave a comment:
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Lenovo Yoga 13 not charging
Little funny situation laptop is lenovo ideapad yoga 13 /intel i7/ motherboard panasonic cant find schematic anywhere ,but story is laptop works ok only battery status is "charger is plugged in and charging " but actually not charging ,working with charger battery stay whatever percentage is charged so not losing any power from battery but not charging.And there is missing time to full charge so im thinking must be fault there cant find capacitors who regulate charging time ,the charger chip is BQ735 I will provide pdf of chip and if someone have any clue which pad of the mosfet I should... -
Re: Lenovo Yoga 2 Pro - cannot turn on, keyboard blinking every 5 sec
Have few of them same issue ,replaced battery charging chip BQ735 i think ,but firs check bios if u can reprogramLeave a comment:
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Re: Hi Hp Pavilion 15-P099NA AMD black screen
Working fine on external video HDMILeave a comment:
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Re: Hi Hp Pavilion 15-P099NA AMD black screen
Day23amb6c0Leave a comment:
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Hi Hp Pavilion 15-P099NA AMD black screen Day23amb6c0 schematic
Anyone have schematic for this laptop ,its black screen no backlight nothing pure black screen,have to check lvsd converter Realtek rtd2136 -
Re: Laptop Bios Working Files Laptop Motherboard Programing
Lenovo thinkpad carbon x1 model 20A7
Motherboard LMQ-1
12298-2
48.4ly05.021
Need bios
thxLeave a comment:
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