please tell me some steps to check the dead laptops step by step............
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Re: dead machine
If you don't know where to start, try this:
http://www.youtube.com/watch?v=ox7kZSxKJfk
there are several interesting videos from the same guy.
you could post your problem and steps you're taking to help you along the way.
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Hi guys,
I have a dead coffee machine, and it seems that the culprit (no 1, at least) is a dead trafo - primary coil seems to be blown open (type shown on the picture below).
Now, I'm unable to find direct replacement anywhere on ebay or aliexpress, and all similar that I' was able to find are rated too low (<1A).
If someone knows a shop to buy replacement (EU/CH), that would of course be my 1st option.
My other ideas:
- to buy 220/20Vac trafo with 30VA, and to "manually" create secondary 12V output just via resistor
- to buy... -
This specification for the ALIENWARE Steam Machine R2 can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Steam Machine R2 boardview and Steam Machine R2 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...09-12-2024, 03:28 PM
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Here is a pretty crazy one.
Step 1.
Laptop was brought to me as dead not working. Removed everything , cleared everything.
Step 2.
Some liquid damage close to the Type - C connector, and the connector even though it was cleaned wasn't charging the battery . Removed the Type-C port, and replaced it. Now the laptop turns on and charges battery. Shows external screen , not internal.
Step 3.
Took out the screen and checked it to a secondary Gen 2 i have, screen works like a charm.
Step 4.
Lets ,dive into the board. I see the edp cable on the... -
Hi good folks;hope you all had a great new year entrance;afamily member asked me to look at their wash machine Maytag MVWC465HW that is dead no leds turn on , i already took out main board but it's hard to troubleshoot due to the amount of wax covering all the board both sides,all fuses to the rectifier and filtering are good, tried to order it but no boards available and cost more than a new wash machine,so i'm trying to repair it at component level,i would appreciate if you could lid me the way any tip that will help me to fix the main board,there is no parts available for this mod# so it seems,power... -
OK, this is a long shot. I got this sewing machine cheap because it's end of line, ex-display, and had no pedal. The genuine pedal costs £60, while Ebay knock-offs go for around £15. So I went for the knock-off, it doesn't work, and I'm not sure whether it's the pedal or the sewing machine that has the problem.
Now this is an electronic machine, unlike the old fashioned sort where the pedal was a big resistor in series with the power to the motor. Here, the pedal is just (I think) a variable resistor fed with a 5 volt supply, and limited to a current of 5 milliamps. Assuming that...
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