Hello,

The touchscreen of my tablet started malfunctioning in a strip about one centimeter wide that stretched across the screen, approximately 5 centimeters from the top edge of the tablet.

I bought another touchscreen and replaced it. The issue with the strip disappeared, but on this new screen, the bottom area didn't work, up to about 6 centimeters from the bottom edge of the tablet. The malfunction was quite strange because it only occurred when the first touch was made in that area. In other words, if you touched an area outside the faulty zone and then dragged into...

Hi,

I am trying to fix an Acer Aspire 5542. Upon turning it on, the fan starts to spin for a few seconds and then it stops. I hear no beeps from the speaker. I have no image both on the laptop screen and through VGA and HDMI connectors.

I measured voltages, and it seems all power supplies are OK. There are 5V, 3.3V (BIOS), 1.8V (RAM), and 1.1V (VCORE).

I tried to read the BIOS using a CH341A programmer, but it did not detect the chip. I took the BIOS chip away from the motherboard, and then the CH341A detected the chip, and I was able to read the code. However,...

Hi everyone, Fluzocapacitor from Spain. Just an amateur diy'er when it comes to repair things.

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Hi,

I own a Fluke 117 multimeter, and suddenly it started displaying "Err EEPr" when turned on. What puzzles me is that the error is not permanent; sometimes it works fine.

Do you know what could be wrong with the multimeter? Any tips on how to try to fix it?

Regards,...

Just an amateur technician who tries to repair things.