Question about Dell Latitude C610 Notebook
My battery is dead, so I've been trying to run my C610 off of AC power until I can afford to replace the battery. However, lately the laptop doesn't seem to be drawing power from its adapter. I have to jiggle the laptop end of the plug towards the left and hold it in that position with something in order for me to power the laptop on.
I suspect that I have a bad power system, and need to replace my motherboard, but want to make sure before I spend the money to replace a part that may or may not be broken. Anyone else have issues like this?
Both of these answers are correct. The problem is exposing the bad component so that it may be heated to induce solder flow or for the offending connector to be replaced. You may wish to inspect the solder joints and do a continuity test before performing any work. You will want to visually see that the solder has flowed properly and that there are no cracks or divits in the joint. You will also want to examine the solder to see that it is nice and shiny, almost a mirror image if it is solder that contains lead. In most cases such as computer boards, the components are placed using solder paste and then ran through a flow soldering machine that melts the paste. Once all of the flux bubbles to the surface, the solder paste hardens and the excess flux is removed in a cleaning an ultra-sonic cleaning tank using dry chemicals to clean the boards. Here is where the problem begins. Not every board is hand inpsected, most are inspected using machine vision. 1 out of X many in a batch are inspected and tested by a QC inspector depending the established production standard.
The problem here is getting the case apart to inspect the components.on the board.
Posted on Apr 22, 2008
I beg to differ. I believe that there is no need to replace the motherboard. It would seem that your concern is a simple case of cold solder on the power jack of the laptop. This is easily fixed with reapplying heat through a soldering iron and a little bit of lead. What would be more challenging is the disassembly and exposing the bottom part of the board where the jacks are soldered.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Apr 18, 2008
If the computer is running then I would guess the female plug is broken on the motherboard. You can get a new one and install it yourself if you know how. Its just a matter of openning the case and removing the bad plug and installing the new one. Reinstall the case and you should have the problem looked after.
Posted on Apr 18, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
The likely cause of the original
battery fault is a very common mistake in the way laptops are used. A laptop battery,
working at optimum efficiency, whether of the older Nickel Cadmium and Nickel
Metal Hydride or newer Lithium Ion types, is meant to charge under power and
then discharge under use, if it is to have a long and useful life. This means
that it should be used in a similar way to a cellphone's battery - connected to
mains electricity and charged up when low or flat and then disconnected from
the power and used on battery power alone until the power level means the cycle
needs repeating. Many people, however, unwittingly use their laptops like desktop PCs and
leave the mains electricity permanently connected to it even after the battery is fully
charged. The reason that people cite for doing this is 'convenience'. This,
however, is a mistake.
Laptops have more flexibility
than cellphones in that, if they are mainly used in one place rather than as
mobile devices, then it is possible to charge the battery to full capacity,
disconnect from the mains, then remove and keep the battery until the next time
the laptop's mobility function is required (periodically recharge the stored
battery if not in use for long periods of time because the charge slowly
dissipates when not in use), reconnect the mains to the battery-less laptop and
use it like that, ad infinitum.
When a laptop battery is fully charged, what it really wants to do is discharge. However, maintaining the mains connection prevents it from doing so. The Power Management System on the motherboard is designed to cope with long periods of either battery powered or battery-less mains powered use, but not long periods of simultaneous battery + mains powered use. A fully charged battery still connected to mains electricity has no means of discharging and various power sensitive components such as the Power Inverter, Cold Cathode Backlight, LCD Panel, Graphics Chip and Motherboard Power Management Stystem can become damaged by the power bottleneck created.
Using the battery in this wrong way also gradually depletes the charging capacity of the cells, until eventually, the cells can carry no charge, meaning a dead battery. A dead battery, where the cells are depleted, left in the laptop with the mains connected, is even worse for the Power Managent System because the flow of power to the motherboard via the dead battery cells is inefficient and intermittent, creating battery overheating, low CPU Cooling Fan speed, inferior cooling and consequent internal overheating hazards in addition to potential electrical damage to several components. When damage to the Motherboard Power Management System passes a certain point, even a new battery might not charge - the situation in which you now find yourself.
Loose DC jacks, leading to intermittent power drops and surges, are typically caused by the jack being allowed to take the weight of the heavy transformer box on the laptop's power cable. The solution is to ensure that the laptop is never held, carried or used with the transformer hanging unsupported. If the laptop is in use, the transformer should be disconnected, carried, placed on a desk or table near the laptop (if the cord is short) or laid completely full-weight-flat on the floor (if the cord is long enough). Also, a Surge Suppressor/Surge Protector should always be used between the mains power socket and all computer equipment, rather than directly to the mains.
If either the Motherboard Power Management System or DC Jack are ever
damaged, your laptop would require professional specialist repair by a Component Level
Laptop Repair Specialist, providing No Fix No Fee, Warrantied Repairs (
typically 3-6 months Repair Warranty).
I hope this helps.
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Oct 07, 2011 | Dell Latitude C610 Notebook
Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.
If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it
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