Problem video A1502
Hi guys! I have a problem with macbook pro A1502. This display have a apple video, when launch desktop, this display is off. A connect thunderbolt a monitor, have video and laptop and monitor. Disconnect thunder video power off. Whats problem? 🤦🏻*♂️ thankss
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Re: Problem video A1502
when video is off, if u press trackpad or similar u get video back ??
when u have no video, fan still spinning ?
could be lid sensor problem. -
Re: Problem video A1502
hello! It turns on normally, but when the user/password window exits there is no longer any video on the macbook screen, there is sound, I have a backlight because it turns on and you can see the apple. So when I connect the external monitor I have video on both screens and when I disconnect it it disappearsComment
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Re: Problem video A1502
UpComment
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Re: Problem video A1502
Check open lid sensor voltage to ground.
Test in safe mode boot.Comment
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PC Specs:- CPU: Ryzen 5 1600
- GPU: GTX 1080 Palit JetStream
- MOBO: ASRock ab350 PRO4
- RAM: Crucial Ballistix Sport 2x8GB 3000MHz (XMP 2.0)
- PSU: XFX 650W (don't remember what model)
- OS SSD: ADATA SP920
- OS: Windows 10 21H2
Problem description:
Hi. I have a problem that has been going on for some time (2-3 years). It's hard to explain what it really is. Sometimes, my computer stops playing music, stops videos (starts buffering on youtube), there is no sound in games and when I minimize the game window and return to the game there is a black screen with window borders... -
Hi everyone.
I have the following problem.
I have a Grundig GV-250 VCR which has not been used for over 10 years. When I turned it on, the fuse of the PSU burned out, after being replaced it burned again, I ended up verifying that I had the bridge rectifier and the mosfet in short, I ended up replacing it, and I replaced all the electrolytics of the PSU. However, it started to behave strangely, as I will show you in the video that I will attach as a link.
In short, I ended up replacing all the ICs on the power supply CNY17G, TDA4605, TL431, TDA8137, TL082CP, AN3824K, L2720,... -
Hello to all,
I have a problem with monitor that is delivered together with CCTV system.
The monitor appears to be completely dead, there is no LED power diode and it doesn't react to pressed power button.
I have disconnect display and check many components on the power supply part of the board. There is no anything obvious and monitor is about 3 years old. There are no bulged caps. When measuring voltages on the output connector to VGA board I can measure stable 14.5 V on 12V pins and stable 5.07V on 5V pins. So I assumed that this part of the board is OK.... -
I have an intermittent display problem with my monitor, when I plug in the HDMI cable to my (or any) laptop, you see the connection screen shrink on the laptop as it usually would before displaying on the monitor but 95% of the time the monitor display stays black.
Before it cut out all together, tapping the monitor control button a fair few times would make the screen display, and everything work fine.
But now it never does it. Not sure what's going on, hoping someone can help. I'm capable of stripping the thing down and soldering in new parts if needed, or programming...04-24-2023, 04:33 PM -
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