Tip & How-To about Computers & Internet

Trick to check a laptop that will not turn on.

Many electrical components are capable of storing electricity, even once turned off. Sometimes this results in your laptop appearing like it's dead, when really a component internally hasn't turned off correctly. Before giving up on your "dead" machine, try the following steps:

1) Unplug your power cable, and remove the battery.
2) Hold the power button down for 5 seconds.
3) Reattach the power cable and the battery.
4) Try to turn on the machine.

It's that simple. I've seen this trick save customers thousands of dollars over my years as a IT Help Desk pro, and hopefully it'll help you out too!

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tachometer drops low


vacuum leak usually increases rpm--the electrics got hurt from overheat--hav a data stream run-displays values of evry component-so u kno what parts are bad----private mechanic not a dealer- a scanner that uses factory gear not a 30$ tool sold in stores--the vehicle computer may hav an issue-a readout wont disclose it--so disconnect batt n see if problem clears or pull plug on computer and clean the pins--may reboot

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no power the power supply appears to be functioning but laptop will not turn on once in awhile a pink light appears by the battery could it just be the battery. tried to use the power supply only with the battery removed still no power


Computer does not boot up The problem maybe the RAM, it is faulty or just needs reseating to make proper electrical contact.
Reseat the RAM and then boot up your laptop. If it still does not boot up then remove the RAM module/s and take them to your friendly computer repair shop and get them to test the RAM for you. Just like you sometimes need a mechanic to repair your car, sometimes you do need a technician to diagnose and identify the fault or faults on your computer. Not only does a good service technican have the experience to deal with this type of problem, they also have the equipment that allows them to look at things the average computer user can't see, and he has a collection of replacement parts that can be used to quickly test individual components on your computer.

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A man neveer heard of tkese types of problems happening all at once so lean towards a short somewherre maybe even in steering column thats where id start first.

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Electrical appears to be dead. With adapter plugged in, there is no power light, no battery charging, and camera doesn't turn on at all. I used a different zr800 adapter as well with same result.



This is usually caused by a failed component in the power circuit within the camera and can usually be repaired fairly inexpensively. However, it's not a user serviceable problem and will need to be repaired qualified service technician.


My name is Rick and I'm a professional repair technician with over 20 years in the business and have repaired many of these. I

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2002 buick lesabre won't jumpstart. Car ran fine


There are a couple of factors here:
  1. If you noticed the car getting harder to start when warm lately, it could be the starter is bad; a bad starter will work when cold but once it heats up, will require more and more power to turn over
  2. Bad battery; a dead battery won't turn the car over even with a jump; it would need a slow charge to work again; even sealed batteries have caps that can be pried open to do a cell check (battery cell checkers inexspensive at the auto parts store) if you have 1 dead cell, the battery needs replacement
  3. Corrosion; just because the posts and cables may be clean at the battery, doesn't mean there's no corrosion on the other ends of the cables
Hope this answers your question and gives you a good place to start. All the best.
Greg

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