Question about HP 6530b Notebook

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The input on the laptop where i stick the charger inn isn't working, what do i do?

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DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop

Posted on Oct 09, 2010

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Not charging when charger is plugged in.


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With a new motherboard installed, am still having problems with AC power cord and battery. I know battery is getting to end of it's life.Power cord will not power laptop by itself. Laptop will onl


Output of 19 Volts DC at 6.3 Amps is correct. (It isn't the Amperage you have to be concerned about so much. It is the Voltage. Voltage is correct)

Mounted on the motherboard of your laptop is a power correcting chipset.

This chipset senses when the laptop battery needs a trickle charge, or a full charge. It also senses when the laptop is to run straight off of the battery, or the AC adapter. (Charger)

With a Battery being at the end of it's 'Life Cycle', you may be overtaxing this chipset. Can't sense that the laptop needs to run straight off of the AC adapter. Tries to constantly charge the battery.

Replace the Battery.

Or the motherboard isn't worth poo-poo, and has a bad power correcting chipset.
(Don't care if the motherboard is new. Lemons are made)

Some examples of chipset's used in this mode, I am referring to;

1) https://docs.google.com/viewer?a=v&q=cache:oER5NNz8cwcJ:www.fairchildsemi.com/ds/FD/FDS6675BZ.pdf+Fairchild+FDS6675BZ&hl=en&pid=bl&srcid=ADGEEShOhWPjm_M-ROHme4iEMrztCTOd-28jNiy1hVLQQh_VOyv8zcXEVDB_iTQA6MuZO88UmRkDgjyW9j4CP2aIJ-4DS-h6JNM3lvxldeApQeecmz_DADCw1s7tmNLxfPknqX14SZP6&sig=AHIEtbS_rYUAeo_8rB9YHkW05ZjLqeH4Jg

2) http://html.alldatasheet.com/html-pdf/85156/VISHAY/SI4925BDY/183/1/SI4925BDY.html

For additional questions please post in a Comment.

[ Also would like to ask what the diagnoses was, for motherboard replacement ]

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Please tell us the results
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By computer so that you will obtain the specific charger that you need.

plankw,
What laptop is it? Manufacturer name, and Model Number.
(Bottom of laptop)

Also,.....on the Bottom of the laptop is stated the Input, and Output voltage.
Your concern is the input Voltage, not so much about the Amperage.
(V = Voltage, A = Amperage)

Example;
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The AC adapter (Charger) must also have the correct plug to fit the laptop's DC Power Jack.
(DC IN)

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