I have two of these microscopes, both take power and the lights for the specimen bed light up but there is not signs of life on the screen, I have checked the power button for the screen and the screen is getting power.
I need help identifying some SMD components on the board

For the first one has a model number of 44348 there is a three legged component (transistor/mosfet) with the marking N011V (Q4 AND Q5 in picture)
The board has several numbers on it but they do not show any meaningful results on Google and I can't seem to find schematics for either of the boards (they...

I had a very simple software to view my digital microscope, the app name started with XP or PX then a number like PX5602 something like that. Anyway, I purchase another microscope and I installed the software that comes with it, and it uninstalled my previews app. I can't find it anywhere on my computer. I even looked in the registry to see if I can see its name and no luck. The new microscope software is bloated with buttons and I don't like the interface. Is there anyone who my have the link to the software? it has a white and very simple interface design.
I have installed Xploview which...

I'm thinking of buying some single smd led diode for tv repair to have under hand there is so many, 2835 k-6000k 9v.6v, 3v white etc but don't know which to have if you advise me which Should I buy and which is most usual and bäst to have under hand. thank you

My mother may soon need to upgrade from Win7 (to continue safe browsing, e-mail, and office tasks, without a printer). Right now, she uses an Intel Core2Quad 9550 CPU (not sure of motherboard). Video is either the Radeon 6670 or 6770, completely air-cooled, with fins like a motorcycle engine (I think I pointed a 120mm fan at it). PSU is probably Seasonic, still running after 14 years (I choose quality). I am not sure of the RAM, or the PCI-e wifi chip. Probably 8 GB or 16 GB. Perfect for WIndows 7.

She does not want to switch to Linux. And she does not want to use a laptop because...

I have broke the LCD on my microscope and cannot find a replacement for it.
Model # DM9
LCD screen: GL070001-D3(ML) 2020-11-07
On the ribbon: 070041AB-50
Can anybody help me to locate this screen I have been trying for awhile now without any luck....