Need bios for Lenovo T15 Gen 1
Serial: PF-2ZHHGT
Type number: 20S7-S3VT00
My bios locked.
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ncp81208 datasheet
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Yesterday, 04:53 PM
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Yesterday, 11:39 AM
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-
Today, 07:21 AM
-
Bios Programmed
kbc programmed
[COLOR=#8e44ad][B][MOD EDIT] Link to Schematic[/B][/COLOR] -> [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/103003-hp-15-dw3000-gpt52-la-k201p[/url]Bios Programmed
kbc programmed
[COLOR=#8e44ad][B][MOD EDIT] Link to Schematic[/B][/COLOR] -> [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-on03-31-2024, 11:14 AM -
Hello.
got this Luxman R-5045 vintage amplifier which need a good repair and service.
finally got i started up and started to check voltages.
My issues is that the voltage measured is 3,5v to 4v higher than whats stated in the schematic.
Meaning voltages like +9v is like +13v
and +31v is measured to 34.6v which is really close to the capacitors rating +35v
I measured the voltage before the rectifier and im measuring 27v
did a online calculator and it showed i should actually get +36v after the recifier :/
So my question...Today, 07:18 AM -
hello I have an acer nitro 5 model N20C2 (motherboard FH51M LA-J871P rev 1B) which does not charge, it turns on perfectly but when I plug in the battery, we see the charging indicator and the charged battery logo but it turns off a few seconds later, and there is no way to turn it back on, you must then disconnect the battery and the charger. If I turn it on without the battery it works fine.
I changed BQ24781 but the result is the same, I put after BQ24800 the same, I then checked all the resistors and mosfets, everything is ok, I bought a new new battery but the result is the same...Today, 07:58 AM -
Hi all,
Recently picked up this GTX1650 at a local flea market for a low price and wanted to use it on my secondary PC. I first tested the card and saw the fan spin for a split second and then nothing. Immediately I thought of a short circuit. Disassembled and found a shorted SMD capacitor, injected voltage into it (1V/4A) and two Mosfets got hot immediately (QN3103 & QN3107). Desoldered these Mosfets and the card turned back to life.
Bought replacements from Aliexpress and replaced them afterwards. Tried the card but still the saw the fan spin for a split second...04-18-2024, 03:15 PM -
Hello, i have a TV Samsung UE43MU6105KXXC.
The TV doesn't turn on and no standby light. The problem started after a power failure
Could someone please check the file i dumped from 25Q40CL?
Thanks
Willail...Today, 05:16 AM -
Hi All,
I believe it to be a TRIAC on TO-252 package, but O might be wrong.
If anyone can help it would be greatly appreciated...Yesterday, 07:14 AM -
Hi This board turns on
after starting consumes 0.09 Amps
3.3 and 5 volts ok
1.5 present at LP16
1.7 Present at PL 15
1.05 Present at PL 17
.9 Present at PL23
no other power reading
Tried to bios flashing ,came to know U31 bios chip pin 7 is found open, Replaced chip/flashed , still same condition
Thanks for Helping03-22-2024, 02:23 AM -
Hi guys, I have this 2011 iMac A1311 with a strange problem.
Most of the time, when I plug in the power cord, the first of the 4 LED's turn on, but when I press the power switch the LED turns off and iMac won't boot up.
Sometimes, when I unplug and plug the power cord back in, iMac starts up correctly by turning on the 4 LEDs in sequence.
I have already tried a new power supply, but the result does not change. Do you have any suggestions?
Motherboard 820-3126-A04-06-2024, 05:19 AM -
Hi All,
Laptop: ASUS F15 TUF Dash FX517ZC-HN114W
Context: When I was out the house my partner hard shutdown laptop while BIOS was updating, so my son has no working laptop now. Also as a result I know the BIOS on the chip is messed up so I can’t extract it using the ch341a and use it to perform the method explained on site to modify an update downloaded from the ASUS website to get the BIN to flash.
If anyone can help with a BIOS BIN/ROM file for this laptop, I would be forever in your debt! Thanks if you can help!
Assuming it is less than 2MB as...Yesterday, 02:43 PM
-
hello I have an acer nitro 5 model N20C2 (motherboard FH51M LA-J871P rev 1B) which does not charge, it turns on perfectly but when I plug in the battery, we see the charging indicator and the charged battery logo but it turns off a few seconds later, and there is no way to turn it back on, you must then disconnect the battery and the charger. If I turn it on without the battery it works fine.
I changed BQ24781 but the result is the same, I put after BQ24800 the same, I then checked all the resistors and mosfets, everything is ok, I bought a new new battery but the result is the same...Today, 07:58 AM -
Need bios for Lenovo T15 Gen 1
Serial: PF-2ZHHGT
Type number: 20S7-S3VT00
My bios locked.Today, 07:21 AM -
Hello, i have a TV Samsung UE43MU6105KXXC.
The TV doesn't turn on and no standby light. The problem started after a power failure
Could someone please check the file i dumped from 25Q40CL?
Thanks
Willail...Today, 05:16 AM -
Hello.
got this Luxman R-5045 vintage amplifier which need a good repair and service.
finally got i started up and started to check voltages.
My issues is that the voltage measured is 3,5v to 4v higher than whats stated in the schematic.
Meaning voltages like +9v is like +13v
and +31v is measured to 34.6v which is really close to the capacitors rating +35v
I measured the voltage before the rectifier and im measuring 27v
did a online calculator and it showed i should actually get +36v after the recifier :/
So my question...Today, 07:18 AM -
Hi,
we've got iMac Pro 2017 which having a problem with SSD, iMac come with 2 SSD's 1TB, it was having a problem with the SSD so we get the replacement, installed in and iMac is stuck in recovery mode, tried to restore it & revive, nothing worked - error 4010. After installing old drives now we're having the same problem that the device is in recovery mode. Previously after swap of the SSD iMac worked on the old SSD however after attempt of revive on the new SSD machine stuck in recovery mode, I can go to DFU but the same result with error 4010.
Any ideas what might've...Today, 04:48 AM -
hello.
I came across this thing and im not sure what it is exactly, I have never seen such thing before.
I know it gotta be some kind of diode with Drain, Source and Gate1 and gate2
It resides in AM/FM module and im measuring 200ohm across D and S.
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"705","title":"image.png","width":"782","data-attachmentid":3256012}[/ATTACH]hello.
I came across this thing and im not...Yesterday, 03:05 PM -
Hi all,
Recently picked up this GTX1650 at a local flea market for a low price and wanted to use it on my secondary PC. I first tested the card and saw the fan spin for a split second and then nothing. Immediately I thought of a short circuit. Disassembled and found a shorted SMD capacitor, injected voltage into it (1V/4A) and two Mosfets got hot immediately (QN3103 & QN3107). Desoldered these Mosfets and the card turned back to life.
Bought replacements from Aliexpress and replaced them afterwards. Tried the card but still the saw the fan spin for a split second...04-18-2024, 03:15 PM -
Hi All,
Laptop: ASUS F15 TUF Dash FX517ZC-HN114W
Context: When I was out the house my partner hard shutdown laptop while BIOS was updating, so my son has no working laptop now. Also as a result I know the BIOS on the chip is messed up so I can’t extract it using the ch341a and use it to perform the method explained on site to modify an update downloaded from the ASUS website to get the BIN to flash.
If anyone can help with a BIOS BIN/ROM file for this laptop, I would be forever in your debt! Thanks if you can help!
Assuming it is less than 2MB as...Yesterday, 02:43 PM -
Hello everyone,
I'm trying to fix a small LG TV with wierd issue.
So I check that the display is OK by fashing a lamp at the screen. LCD is okay OSD is showing up.
Now since the BL is dark, I disconneted the BL from the mainboard and I injected voltage to it with my blacklight tester.
The BL turns on, the tester shows around 80V. So the led strips are okay it seems.
Now I started to suspect the BL driver IC which is a MP3378.
I have a donor board (dead cpu) with the same IC, so I swapped the driver IC but it did not solve the issue.
...Yesterday, 07:59 AM -
Hi i have Samsung ue49mu6120
the tv will not turn on, no standby light, power supply BN44-00807F
Main board BN41-02568B
BN94-12644a
i have repaired tv's in the past, i know the basics.....
when i remove the psu cable to main board i get back lights......
if any one has repaired this tv or had similar problem..11-09-2021, 11:48 AM