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hello, �� i have been sitting on some microsoft surface pro 4 tablets for a while now. i was originally tasked with replacing the battery in one of the tablets, and ended breaking the screen and logic board in the process. decided to buy another tablet with the same specs. got that screen off successfully of the second tablet. the logic board appeared good, but i guess i shorted something out in the installation process of the logic which i've read is a common issue if there is no barrier between the logic board and battery pins. all that said, i ate costs of the repair and have... -
Hello...
my tv almost 2 years not powerd on and when i turned it on nothing happened and only 3 red light keeps blinking
i opened the back cover no sign of damage on the powery suply or motherboard
when i plug in the power i hear the reley sound like tik first and another tik..after that only red keep blinking..
another thing is even after i unplugged the power, The tv keeps red blinking 3 times for 2 almost 2 munites -
Hi.
I have a strange problem with HP ProBook 445 G7 (DA0X9MMB8F0 RevF), that there is no POST while only on battery. The Caps Lock blinks 5 times slowly.
When I attach DC Jack, the laptop will charge the battery and switch on.
And now the strange part:
1. While the Windows is still loading, and I will remove the DC Jack, the screen goes blank and the Caps Lock light will start blinking 5 times slowly.
2. When Windows has been loaded and on desktop, when I unplug DC Jack, it will work normally on battery. While still on battery mode I switch the laptop...06-30-2025, 01:24 AM -
Hi everyone,
I have an HP ProBook 440 G6 with DAX8JMB16E0 REV. E motherboard that got BIOS bricked after maaany bootloops caused by Window's BCD. I made a dump of the actual BIOS and written a found one.
The PC worked but it was very slooow to show HP logo in first place.
A friend of mine gave me another BIOS for this series and after the flash it powered on (white led on power button) but after few second shutted down and start blinking orange infinitely on the LED near the AC adapter connector on the side.
The laptop doesn't power on anymore, and the blinking led happens...08-29-2025, 01:24 AM -
Hello everyone. I have a problem with an HP laptop, when connecting the charger the amber light comes on for 6 seconds, changes to white and does not charge, I have checked all the components with the multimeter and the values seem correct, I was guided by the diagram, I do not know if it is a problem with the BQ24728H charge controller, investigating it seems that the voltages given by the charge controller are correct, I made the measurements connected to the power source and without the battery:
- ACN (BQACN) 19.6v
- ACP (BQACP) 19.6v
- CMSRC (BQCMSRC) 19.6v
- ACDRV...
Working...
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