Question about HP Compaq 6730b Notebook

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I have a HP 6730B Laptop, it won't power on, when battery is in and power button is pressed the charging indicator light flashes 8 times but nothing happens, i've changed the mainboard but still have the same problem, without the battery present there are no lights at all????

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  • 206 Answers

Check to make sure your RAM is properly seated in the slots.

Posted on Oct 15, 2010

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MY HP 6730B will not power on with or without battery installed. the charger light blinks several times but nothing happens. The battery and AC adaptor are only a couple of months old. Any ideas...


Unplug your computer, remove the battery and hold down the start button for 60 seconds. Plug it back in and try to restart. If this works, turn it off again and reinstall the battery.

If this fails, you may have a motherboard issue.

Good luck.

Feb 16, 2015 | HP Compaq 6730b Notebook

1 Answer

How can i fix my laptop doesnt charge


Try another power adapter/charger. These frequently go bad.

Jul 23, 2014 | HP Compaq 6730b Notebook

1 Answer

Hp dv7 4065dx - power is reaching the computer (can tell by the led at the power outlet, but zero response to pressing the power button. Suggestions?


POWER SUPPLY & BATTERY PROBLEM
If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all. OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time. If the battery drops to an unacceptable charge level then the battery needs to be replaced. When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

Sep 10, 2012 | HP Pavilion DV7-4065dx Notebook

1 Answer

Why is my hp 6730b laptop keeps on blinking as soon as i switch it on?


Which lights are blinking, or is it the monitor?
I've seen this happen on the battery charge indicator when a battery is at the end of its life, because it cannot take and hold a charge, so the charging circuit keeps cycling on and off continuously.
If it's a different light, it all depends on which light is blinking.

Feb 13, 2012 | HP Computers & Internet

1 Answer

Hi my HP G6000 laptop wont turn on, when i press the power button on the lights flicker for a second and then nothing


1. Check your power cord & adapter.
2. If its working then check the battery, reseat the battery & check.
3. If available then check with another battery
4. If no, then remove the battery & switch on the PC in AC mode.
5. Check if battery charging indication or AC power on indication is glowing. if not then need to change ur motherboard.
6. If indication is OK, but could not power ON then check ur RAM for any loose connection or dust. clean & reinstall.
7. If still no display, connect an external monitor, check if display is comming.
8. If Display is coming then your LCD is faulty and need to replace.

Aug 23, 2010 | HP Pavilion dv6000z Notebook

2 Answers

Won't turn on. Battery is plugged in and lit. n


Try removing your battery pack. Then connect the power adaptor (even without the battery) and connect is directly to the power outlet. If it powers up, then the battery pack might be defective or totally drained.

If the battery is just totally drained, simply place the battery to the laptop. Do not turn the laptop on. Plug the power adaptor to the laptop and plug it to the power source. If you see that the charging LED is blinking in your laptop, then just leave it charging up to 5 to 8 hours.

Never use a laptop on battery mode while it is plugged in to a power source. This is the number 1 reason why laptop batteries don't last longer.

Jun 06, 2010 | Sony VAIO Notebook

1 Answer

The amber light on the power supply on my HP 550 laptop is flashing 8 times when i press the power button.it does not start ....


This is taken from page 11 of the user's manual (http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01627018/c01627018.pdf)

Blinking amber: A battery that is the only available
power source has reached a low battery level. When
the battery reaches a critical battery level, the battery
light begins blinking rapidly.

In other words, attach the charger to the laptop and let charge for at least 1 hr before trying to restart your computer.

Mar 24, 2010 | HP Business Notebook 550

1 Answer

Hp nc4200 won`t start


There could be a problem with the battery. A fast check to determine whether you have a problem with the power adapter, power cord or the laptop's battery is to turn off the laptop, remove the battery, connect the power adapter, turn on the laptop & see if it works.
If the laptop works directly from the power adapter with the battery removed, then the power adapter is good. In this case we can suspect that the battery is defective & needs to be replaced.

If this did not work, try also disassembling the laptop & make sure that all main components are seated properly. Also make sure that all ribbon cables interconnecting the various components of the laptop are tightly connected.

Dec 28, 2009 | HP Compaq nc4200 Notebook

1 Answer

Laptop won't power up


Hi,
when u get power on of your laptop .u seen Red/orange light blink 4 times on front panel.it means your laptop battery is not getting charge.please get charge for minimum 6to 8 hrs & then try to on .if y u laptop battery is get charge u r laptop will started on (also confirm your A/c adapter is working .green light is display on front panel it indicates charging on )

Jul 09, 2008 | Gateway MX6124 Notebook

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