Hello. I have a laptop Hp 250 g7 - motherboard GPI52 LA-J951P and not power on. I have 19v, 3v and 5V and the battery is charging. When i press the power button is doing nothing. The button is good and have 2.6v and makes 0V when i press it. I measured the coil and is ok, not short and the valors is good. I rewrite the bios but is the same.When i connect only de adapter without batter it take 10mA and when i press the power button is about 60-70 mA. Nothing is cold and under thermal camera i can t see anything Thanks.
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I have a post on psx-place for this but thought I'd try here as well in case anyone has experience or the schematics or any kind of help. Here's the original post from psx-place:
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Hi, so I bought a YLOD Fat PS3 as I wanted a repair project and thought it would be a good way to get experience. I was able to solder to the RX, TX and Diag pads on the COK-002 motherboard and was able to get external access and retrieved the codes. I haven't powered it on beforehand so these should be the last ones. I did try to get internal access immediately after but kept getting scopen response... -
Hi,
I have a iphone XS that came in for a screen replacement, the screen was badly cracked, and inside missing scues, on the back of the screen still the blue protector, the screen was a LCD. So we replaced the screen and all good, installed the screen and we noticed that pressing the screen with a bit of force but not excessive, the phone dies. After plugging the charger it turns back on, but again if you press it it dies. I open the phone again, and I can't see anything major, with the phone open, if I press on the logic board, battery, charging board, or even putting pressure on... -
Hi guys I have this tv Samsung eu49ku6450 that have a problem. When I plug in the power cord the standby led starts to blink but nothing happen. Then the standby led disappear. If I push the power button I see the standby led blinking but nothing happens and if I stop to press the button I don’t have the standby led red…nothing . I don’t understand if there is a problem in the main board or in the power board or it s a firmware problem. I tried to disconnect the main board from the power board, and I know the led should turn on when the main is unplugged but nothing happen…..so could be...11-28-2025, 02:18 PM -
Hi everyone.
Lenovo Thinkpad E14 Gen 3, stuck on the "To interrupt normal startup, press Enter" screen.
Found a lot of people with this issue, but with no definitive answer. Some people managed to get away accessing BIOS, going to Startup and turning off "Option Key Display". For me that only removed the interrupt normal start up message, leaving only the Lenovo logo.
Most people say hitting Enter does not work. It's true, if you wait a few seconds. But if you hit Enter right away you get the options to enter BIOS (which works), run diagnostics (goes to a... -
lenovo t14 i7 10 gen : I press the power button and there is a loud fan noise for about 3 seconds and power light is on. Nothing on display screen. i have removed the battery and bios battery still the same. i have put yesterday on update and charger ,i have leave and back and see this problem. Any One Can help Me ?09-27-2024, 02:40 AM
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