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My tc4400 tablet pc will not see the battery or charge for more than 3 minutes at a time.

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Hello friend,

drag battery to 0% and try to charge at least to 5% if unsuccessful, then battery need to be replaced.

Posted on Dec 13, 2008

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2 Answers

TC4400


How do you know the battery is good? does the multimeter really read more than the battery should give, according to what is printed on it?
A 3,7 volt battery, should give at least 3,8, wham not connected. A 7,2 at least 7,4. Because the printed voltage should be on the connector, when you are discharging the battery.

When your charger is blinking, it could indicate the battery is not well. The Ri can be to high or something else, is wrong, and that is ht the charger won't or can't charge.

Jun 09, 2014 | Compaq tc4400 Tablet PC

1 Answer

Compaq tc4400 suddenly turned into non tablet pc (pen & touch gone)


http://www8.hp.com/us/en/support-search.html?tab=1#/qryterm=compaq%20tc4400&searchtype=s-002

this is where your find the moel drivers for tablet , there are two available , so please read before installing.

Nov 27, 2013 | Compaq tc4400 Tablet PC

3 Answers

Laptop hp compaq tc 4400 is not charging , during adapter connected to laptop and turning power/standby led ... it doesnt switches on, instead battery charging led blinks 4 times, and doesnt turns on, so...


Whenyou connect the power adapter into the laptop, does the power LED lightup? If not then - The battery adapter or the adapter's power lead or the laptop's powersocket could be faulty. Check power adapter's DCplug that connects into the laptop power socket with a multi-meter, the voltageshould be slightly higher than the voltage that is printed on the label on thebottom of the adapter. If the voltage is zero or way below the voltage that isprinted on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK thenconnect it to the laptop and power it up, then look at the power/batterycharging LED light and wriggle the power plug in the laptop's powersocket. If the power/battery LED light flashes and in a certain position thisLED light stays firm, then the power socket is either faulty or it has a drysolder joint where it is connected to the motherboard. This can be repaired but itrequires the laptop to be completely dismantled to get at this power socket andrepair. If you cannot DIY then I suggest you get a quote first.

Apr 16, 2011 | Compaq tc4400 Tablet PC

1 Answer

I have HP TC4400 Laptop and there is BIOS password which is forgoted please help me how can i remove that password.


To reset the BIOS password read the information from this link.

In case of your HP TC4400 laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.

Oct 16, 2010 | Compaq tc4400 Tablet PC

1 Answer

HP TC4400 hard drive ugrade problem


go to hp site and check is the model support 320gb hdd or not if not trun yr hdd in limited capisity

Feb 26, 2010 | Compaq tc4400 Tablet PC

1 Answer

Compaq tc 4400 battery does not charge


You may need a new battery... Somehow the way to test this is to try charging it on another laptop of the same model.

Dec 14, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

1 Answer

Screen keeps flipping around


Re-install the software used to flip screen...

Oct 31, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

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