Question about Compaq tc4400 Tablet PC

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Turning my TC 4400 on, having problem

Hi just got a tc 4400 from my brother and I can't turn it on I slide the silver on button the lighting bolt flahes but does come on ,i have taken the batter out thinking it would help it did once but no more please help

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  • omasri2008 Dec 29, 2008

    i have a compaq tc4400 and when i plug it in to charge it the charging light flashes orange and no it dosent turn on when the battery is out what could that mean?

  • ffiffs214 Jan 19, 2009

    I have a tc4400 as well; when I plug it in to charge, the light turns orange. When I bring it back from sleep mode by sliding the power button, the fan goes on very high and will not stop. The only "quick" solution I've had so far was to take the travel and main battery out, and restart the computer.

  • Patrick Young May 11, 2010

    Does the laptop start if the battery is taken out and the laptop is plugged in to the power cord?

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2 Answers

I will try this and get back to u.

Posted on Oct 09, 2008

Not sure..I will check

Posted on Oct 09, 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

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

2 Answers

Hp tc 4400 hard drive enclosure needs to be replace i need a part number


This sounds interesting. Are you ordering the part from HP? If so, they should be able to provide the part number. Otherwise, you will have to get hold of a repair manual- they have the parts lists. Here is a phone number for HP Support: 800-HP invent.

Apr 12, 2010 | Compaq tc4400 Tablet PC

1 Answer

My HP Compaq tc 4400 tablet screen keeps on flipping with out doing anything


The tablet buttons can be disabled to stop your screen from rotating. Go to Control Panel > Tablet and Pen Settings > Tablet Buttons > select the rotate button and click change > select "None" on the drop down menu.

Feb 22, 2010 | Compaq tc4400 Tablet PC

1 Answer

Is there another way extra button to turn on my HP TC 4400" the "on" switch is broken inside of the computer


You can actually short out the on/off circuit with a flat head screw driver. I have to do this until I can find somewhere to purchase a replacement sliding switch to attach to the new motherboard which I have waiting to be installed. Alternatively purchase a cheap docking station off ebay

Jun 08, 2009 | Compaq tc4400 Tablet PC

1 Answer

Purchased lap top from work person I replaced added a password so I can not use it. HP Compaq tc 4400 how do I remove, the safest way thanks Harleygirl


Please let me know whats the OS you are using. If you are using XP it is a relatively simple reset procedure. However if you are using vista the easiest way to get rid of it would be to re-install the OS.

May 26, 2009 | Compaq tc4400 Tablet PC

1 Answer

Hi i need driver o software pen ( compaq tc 4400 XP )


I belive you will find what you are looking for on this page please follow this link to download your touchpad/PEN driver >

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=1849071&prodTypeId=321957&prodSeriesId=1847962&swLang=8&taskId=135&swEnvOID=1059#11318

just copy that link and paste it into your address bar at the top of your internet browser then hit search or press enter.

hope this helped you but if it does not help please do not hesitate to re post your issue and we will keep trying to solve it for you.

Thanks Reguards: PC Pro

Dec 15, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

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

TC 4400


The THERMAL PASTE which bonds your laptop's heatsink and cpu together is not good. It will not obsorb the heat good enough, which causes your laptop to OVERHEAT from time to time... Have someone re-apply a new thermal paste on it then it will be fine...

- I've worked on laptops and desktops for 10+ years. Take my words for it.

Oct 08, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

3 Answers

Screen brightness


Another way to adjust the screen brightness is to hold down the Functin key (blue, Fn) and then repeatedly press the up or down arrows (which also show the symbol for screen brightness on the keys in blue.)

Dec 09, 2007 | Gateway CX200S Tablet PC

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