Hello guys
My laptop have a FAN issue, i tried with a new FAN but the issue persist.
The motherboar is LA-G714P
I measured the JFAN1 connector
pin 1: 5v
pin 2: 0v FAN1_PWM
pin 3: 3v FAN1_TACH (this pin should not be 0v if the fan is off??)
pin 4: GND
Tanks for advance!
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Yesterday, 01:27 PM
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Hi !
Can you help me fixing this broken bios ? It's a GD25LB128 from a Lenovo T495s
The computer turned off during a bios update. Now it just plays annoying beeping music...
Thank you !...Today, 04:26 AM -
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Hi,
I'm struggling to find a software to reconfigure a GD 25LB128 chip with a CH341 A.
Do you know any ?
Thanks !Yesterday, 08:15 AM -
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I bought a T12-958 recently with an M8 handle and until now it has worked very well. The tip wasn't earthed but that was easily resolved.
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Any idea what the problem is?05-06-2024, 01:36 PM -
I have a 12v psu from a DJ lighting system and I can not seem to figure this one out. The board so far had a blown fuse and a shorted voltage regulator. After replacing those I get 12v out but hooking a load to it the voltage seems to bounce between 5v and 0v. I remove all the caps and checked those and replaced 2 that were only questionable. I know it's not the device I connect it to as I put 12v to it with my bench power source and it works fine....Yesterday, 02:25 PM
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Hello. Coming to you from the laptop forum. Have a client with the Fortinet 50E that has 320 Mbps as internet input speed but only 20 Mbps output on each and every downstream port (using FAST.COM to benchmark).
Reseller is stating the Fortinet is 'worn out' which does not sound logical at all unless the flash memory is 'worn out'. They, of course, want to sell another + onsite installation fees.
Can anyone share feedback on this unit? What can cause this sluggish behavior. From our knowledge, this device is snooping on the traffic to halt viruses / hack attacks, etc....04-24-2024, 12:51 PM -
AMD CPU
TYPPE: 20XH-SIT019
SERIAL NUMBER :PF-2J639V
BIOS & EC 32MB PLEASE...Today, 12:56 AM -
Need help here...
I'm new on the forum and I'm not professional in electronics so i ask sorry in advance for eventual errors...
As title says, i have a LA-H323P dead.
Now, little background.
The computer was working fine, just seems that the cable of screen was dying because it had the classic color problem, sometimes green, sometimes violet, sometimes perfect, but anyway working.
When i opened it the battery was so fat that was seriously near to explode.
So i removed the battery... and turned on the notebook... that was, again, working perfectly fine....04-28-2024, 03:31 AM
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AMD CPU
TYPPE: 20XH-SIT019
SERIAL NUMBER :PF-2J639V
BIOS & EC 32MB PLEASE...Today, 12:56 AM -
Please help sir, this board does not turn on because VSYS_OUT is 9.2v, I compared it with a normal board VSYS_OUT is 10.2v, I have replaced the PQ101 and PQ102 mosfet and BQ 25700 which is known to be good, but the results are still the same, thank you
VSYS_OUT 9.2v
Meter in resistance mode auto range 6M ohm ok
NORMAL BOARD VSYS_OUT 10.2V
PQ101
PIN 2 20V
PIN 7 0.004V
PIN 6 6V
PIN 5678 0V
PQ102
PIN 567 0V
PIN 9 0.004V
PIN 234 9.2V (VSYS_OUT)
PU101 BQ25700ARSNR
1 VBUS 20V...05-06-2024, 10:48 AM -
there is no reaction, it hangs at 20 V/0A. There was a little corrosion in the u7650 area. Replacing the u7000 did not help. Tell me, what else could it be? PPBUS_G3H=12.9V
Flashing the bios with a clean region also did not work!05-06-2024, 04:31 PM -
Hi !
Can you help me fixing this broken bios ? It's a GD25LB128 from a Lenovo T495s
The computer turned off during a bios update. Now it just plays annoying beeping music...
Thank you !...Today, 04:26 AM -
-
-
I have a 12v psu from a DJ lighting system and I can not seem to figure this one out. The board so far had a blown fuse and a shorted voltage regulator. After replacing those I get 12v out but hooking a load to it the voltage seems to bounce between 5v and 0v. I remove all the caps and checked those and replaced 2 that were only questionable. I know it's not the device I connect it to as I put 12v to it with my bench power source and it works fine....Yesterday, 02:25 PM
-
Hi,
Anyone please help me to unlock this bios.
HP PROBOOK 435 G10
SN:5CG3343FTQ
Many thanks....Yesterday, 08:56 PM -
Hello guys
My laptop have a FAN issue, i tried with a new FAN but the issue persist.
The motherboar is LA-G714P
I measured the JFAN1 connector
pin 1: 5v
pin 2: 0v FAN1_PWM
pin 3: 3v FAN1_TACH (this pin should not be 0v if the fan is off??)
pin 4: GND
Tanks for advance!Yesterday, 01:27 PM -
Hello guys
Because the unit is old (but only occasionally used) the loudness button causes some noise due to bad contact,
sprays did not work, so i decided to solder the pins that it connects on the pcb at the on (loudness on) position
i did that and it worked fine, i know from the bottom of my heart that the switch connects 2 pins and also d/c other 2 pins
on every position it have (6 pin switch), so i was curious what would happen if i clicked the switch off while the pins are soldered at on (so basiclly on and off at the same time), when i did so the sound is gone, nothing...05-05-2024, 06:20 AM