Hello!
Would someone be able to clean this bios bin please? Its currently suffering with a black screen issue and does not post
I did try to extract the latest bios from Lenovos download of the bios exe using innoextract but it only ever generates a bios.cap file and doesn't contain any .bin file which i can use to flash with
if anyone is able to clean that would be fantastic or point me in the right direction on getting a bin from the latest exe bios file from lenovo...
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Badcaps Statistics
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Topics: 102,628
Posts: 1,273,578
Members: 495,468
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Welcome to our newest member, Seinlus Nyongesa.
Latest Topics
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-
by sauceHi,
I bought a faulty A2289 for myself.
The USB-C meter was stuck on 5V.
After remove the board the U3100 was corroded and also around but quite light.
So I clean the U3100 and see R2834 in bad condition and its value was not good.
I replace it and not the USB-C meter shows 20V, the fan is spinning, CPU is hot but nothing else no picture.
The USB-C meters shows a very low current with all connected. It starts at 20v few mA and then stays at 20v 100mA.
How mush current the board is supposed to take without nothing...Yesterday, 12:20 AM -
by MufasaHello everyone,
I need to replace a resistor but I'm having a bit of trouble deciphering the colors - a little color blind.
Looking for the value of R91.
Can anyone help.
Thanks in advance....05-16-2024, 12:42 PM -
by ianbakHi,
I have an HP 255 G8 that runs for as long as its battery holds charge but won't accept AC power.
I have partially diagnosed the problem and the issue seems to be that there is no ACDRV output from the BQ24735 to turn on the two input MOSFETs. The 24735 has a VCC of 19.57 V, the ACDET input is at 2.93 V and the REGN 6V LDO is outputting 5.98 V, so everything looks good - but ACDRV is stuck at 28 mV.
I've already replaced the 24735 and both input MOSFETs and nothing has changed.
I'd appreciate some suiggestions as to what to try next.Today, 08:45 AM -
by kingblade20Hi,
My M3401QA does not power on properly: no display (all black) and with white LED charging port blinking slowly (once every ~3 seconds).
Checked several points across the board and supplies are up and running but I need to double check when I get schematic.
Result is still the same even with DC jack inserted and battery connector removed.
Tried flashing the latest BIOS as of this date to no avail which I suspect has something to do with DMI but tools could not run properly on my machine and couldn't find manual copy of DMI through hex editor and not sure...-
Channel: BIOS Requests ONLY!
Today, 11:28 AM -
-
by matheus30When I took it out it broke, and I want to get the same one or one of good quality.
Where can I buy it? On AliExpress they do not indicate the maximum amperages, and on Mouser or TME.EU it is impossible to search without having the exact reference.
Inductor needed:
It is the PP5V_G3S Coil of an A2159, 820-01598 (L7670)
On the front it says: 1R5
and in the schematic:
1.5UH - 20% - 12.5A - 0.017Ohm
PIMB062D-SM
152S00268
Can someone tell me where to buy it?
Thank you so much.Today, 11:44 AM -
by victor-rSamsung Monitor Ls22A300B , Please, I need the Bios file that works for this monitor.
thanksYesterday, 10:49 AM -
by tomsu666Im newbie to this field I'm under training I have an Asus h61m-cs motherboard which is stuck on Asus logo can't go to bios or windows just stuck
I tried the following
Tried bios flashing using ch341a
Different ram slots and sticks
Dedicated Gpu
New processor
Cpu core sectors working fine
Thanks for help-
Channel: BIOS & Schematic Requests!
Today, 11:55 AM -
-
by jm1234Hi,
I'm troubleshooting a power supply board and one opto coupler seems shorted. It's a through-hole, marked with 3 lines:
1223
816A4
W
I'm not sure what replacement to buy for it. It resembles LTV-816 ([url]https://www.tme.eu/sk/en/details/ltv-816/optocouplers-analog-output/liteon/[/url]), but I'm not sure it's 100% that. The data sheet shows multiple sub-types like 816M, 816S, but 816A is not there.
I do have other functional pieces on the same board, so I could do some measurements on those, but I'm not sure what to check.
Any idea appreciated.Hi,...Today, 03:30 AM -
by skinnerLooking for some help with a bios password. Any help would be appreciated.
Dell Latitude 9410
Service Tag - H803043
Board - LA-J541P REV 1.0...-
Channel: BIOS Requests ONLY!
05-17-2024, 04:02 PM -
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by ianbakHi,
I have an HP 255 G8 that runs for as long as its battery holds charge but won't accept AC power.
I have partially diagnosed the problem and the issue seems to be that there is no ACDRV output from the BQ24735 to turn on the two input MOSFETs. The 24735 has a VCC of 19.57 V, the ACDET input is at 2.93 V and the REGN 6V LDO is outputting 5.98 V, so everything looks good - but ACDRV is stuck at 28 mV.
I've already replaced the 24735 and both input MOSFETs and nothing has changed.
I'd appreciate some suiggestions as to what to try next.Today, 08:45 AM -
by matheus30When I took it out it broke, and I want to get the same one or one of good quality.
Where can I buy it? On AliExpress they do not indicate the maximum amperages, and on Mouser or TME.EU it is impossible to search without having the exact reference.
Inductor needed:
It is the PP5V_G3S Coil of an A2159, 820-01598 (L7670)
On the front it says: 1R5
and in the schematic:
1.5UH - 20% - 12.5A - 0.017Ohm
PIMB062D-SM
152S00268
Can someone tell me where to buy it?
Thank you so much.Today, 11:44 AM -
by kingblade20Hi,
My M3401QA does not power on properly: no display (all black) and with white LED charging port blinking slowly (once every ~3 seconds).
Checked several points across the board and supplies are up and running but I need to double check when I get schematic.
Result is still the same even with DC jack inserted and battery connector removed.
Tried flashing the latest BIOS as of this date to no avail which I suspect has something to do with DMI but tools could not run properly on my machine and couldn't find manual copy of DMI through hex editor and not sure...-
Channel: BIOS Requests ONLY!
Today, 11:28 AM -
-
by danitoDell Latitude 5590 ST FH1MNQ2
DDM80 LA-F411P REV 1
pwb mp3pg rev A00
Can you help me?
Thx...-
Channel: BIOS Requests ONLY!
Today, 04:37 AM -
-
by thesameThe unit had a battery replacement , it used to work with a 2200 mah battery that i have found swollen, i have replaced it with a 1500 mah battery( i couldn't find one available at 2200mAh), tested working, after 2 months of beeing used in the car always plugged to the charger the owner sayed that it's not charging, the battery had 3.3 v instead of 3.7 , i have installed a new battery of 1500mAh, the unit powers on , shows 1% battery and it only draws current when the display is on and only shows the charging icon when i first plug the cable in then it stops after 10 or 20 seconds,and if i turn...Today, 06:18 AM
-
by mustangankcasper f650 f15kr_dsc rev 2.0
bios file not working;...-
Channel: BIOS Requests ONLY!
Today, 04:13 AM -
-
by kikkawaHello!
Would someone be able to clean this bios bin please? Its currently suffering with a black screen issue and does not post
I did try to extract the latest bios from Lenovos download of the bios exe using innoextract but it only ever generates a bios.cap file and doesn't contain any .bin file which i can use to flash with
if anyone is able to clean that would be fantastic or point me in the right direction on getting a bin from the latest exe bios file from lenovo...-
Channel: BIOS Requests ONLY!
Today, 01:34 PM -
-
by tomsu666Im newbie to this field I'm under training I have an Asus h61m-cs motherboard which is stuck on Asus logo can't go to bios or windows just stuck
I tried the following
Tried bios flashing using ch341a
Different ram slots and sticks
Dedicated Gpu
New processor
Cpu core sectors working fine
Thanks for help-
Channel: BIOS & Schematic Requests!
Today, 11:55 AM -
-
by vincelxHi,
This board has slight water damages. No fan spin.
When I power on, I got:
PM_SLP_S4_L
PM_SLP_S5_L
PM_SLP_S3_L
ALL_SYS_PWRGD
all go to 3.3V, then back to 0V after 1s
PP5V_S5=5V
PP3V3_S5=3.3V
SMC_S4_WAKESRC_EN remains at 0V.
With SMC bypass, fan spins full speed.
Can you help on troubleshooting SMC_S4_WAKESRC_EN missing?...Today, 09:37 AM