Top 20 HP Compaq nc2400 Notebook Questions & Answers

nc2400. (circa , 2007 made) and still supported at HP (we arent HP) another old., pc dead. value is $20 (see ebay solds? yes) so it less dead like this. here are the steps, main battery out, ? work now, that is correct, BIOS works , with no battery, AC PACK good, 19vdc = good. and hdd out , cd out. ever heard OF CCFL ? 2010 then ended, so I first check this , yours being 2007 BINGO CCFLs, they are short lived lamps back lamps. so use a flash light. btw the externa VGA jack needs Fn+F4 pressed to work!!! per manual below. your SM is here http://h10032.www1.hp.com/ctg/Manual/c02012281 now the test, acid test on CCFL. with bios hot keys hammered, per book above. then the magic flash light trick, (posted here now 300 times) look ma, no blacklight.. but gee see the data., BINGO. http://www.pcdied.com/monitors.html#flashlighttest

you have to remove the HDD cover and check it may be out of socket

I was unable to locate your specific laptop this might ge you some in sight in what to look for and how to remove cmos battery remember some cmos batteries are soldered in RTC battery replacement procedure on Compaq HP Mini 110 netbook & clear CMOS http://www.youtube.com/watch?v=P_cxAireIsw

If your battery will not charge, you need to run a test on some components on the laptop. The battery, the charger and the laptop itself. Once you detect the faulty conponent then you replace it with a new one.To test the battery:1.Power off the laptop,2.Take out the battery,3.Insert it in another laptop,4.Check of it will charge,If the battery holds a charge there, then it means the problem is not from the battery, but if it does not hold a charge, then it means the battery is defective and need to be replaced with a new one.To test the charger:1.Unplug the charger from the present laptop,2.Connect it to another laptop to see if it will charge.If it charges the laptop, then it means the charger is alright, and if it does not charge the laptop, then it means the charger is bad and need to be replaced.To test the laptop:1.Turn off the laptop,2.Disconnect your present charger,3.Remove your present battery pack,4.Insert a well tested battery into the laptop,5.Connect a well tested charger to the laptop.If it powers on, then it and charges, then it means the laptop is working fine, but if it does not charge, then it means the connection port of the laptop is bad.Hope this information was helpful.

Please see the HP solution center for your laptop here.
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You need another adapter

HP X13-04657, is 2007 PC THOSE this PC has CCFL back lamp strip that is dead.Vista era PC, laptops. are hard to work with now, 17 years old.is this not a HP COMPAQ presario HP X13-04657 (wrong name!) sorry !became HP in 2002. so is HP but manuals are super hard to find now. that x13 is part of the microsoft license code vista. (so is distraction to what it is)the real name of the Laptop is and was Presario CQ61 laptop CQ61 the PC has bottom sticker that shows the real names of PCs.CQ61-219TU is real name of on CQ61, there area many different sub codes, and they are not all the same.CQ61-306AX this had CCFL (cold cathode florecent lamps) that love to fail 3 waysdead, blinks ,dime or yellow = white.was made until 2009 and evolved, to LED backlamps.-410 is CCFLI will answer for CCFL as those just love to fail,but the the test is so easynow the answer for ANY laptop this old. 2007 and older. black screen all the time, and BIOS screens dead, answers only me. here. remove the main battery (large) it simply snaps off the bottom.the power pack is next we run the PC on your power pack AC to DC it must make the screen glow with something, do not use the wrong pack as in mixed up with others.now the lap top seems on, even the fan blows, LED glowpoint a flash lamp at the screen ,dark' room , and of you see any kind of LCD data on the screenthe CCFL lamp below #1 is bad.this is phase 1 testing, as other things can fail too. The keyword below is Mercurythis tells me it is those pesky CCFL glow tubes. 2007 is the year some PC went to LED back lamps. yes I was correct the service manual I did find proves they made both lamp types

Here are troubleshooting steps for when your computer won't start:

Question edited for clarity. Question translated to English. We only speak English on this North American website. https://www.google.com/search?q=hp+scanjet+8270+driver+windows+10

HP Scanjet 8270 Document Flatbed Scanner

Hewlett-Packard https://support.hp.com > ca-en > drivers > hp-scanjet-827... Download the latest drivers, firmware, and software for your HP Scanjet 8270 Document Flatbed Scanner ... drivers free of cost for Windows and Mac ... Windows 10 / ...

HP Scanjet 8270 Document Flatbed Scanner

Hewlett-Packard https://support.hp.com > ee-en > drivers > hp-scanjet-827... Download the latest drivers, firmware, and software for your HP Scanjet 8270 Document Flatbed Scanner. This is HP's official website to download the correct ...

HP Scanjet 8270 Document Flatbed Scanner drivers - Download

Softonic https://hp-scanjet-8270-document-flatbed-scanner-drivers.en.softonic.com Download the latest and official version of drivers for HP Scanjet 8270 Document Flatbed Scanner. This driver package is available for 32 and 64 bit PCs. It is ...

HP Scanjet 8270 Document Flatbed Scanner drivers - Free ...

Download.it https://hp-scanjet-8270-document-flatbed-scanner-drivers.en.download.it Download HP Scanjet 8270 Document Flatbed Scanner drivers varies-with-device. Software drivers for the 8270 flatbed model of the HP Scanjet printer. ..

You can follow the steps in this video to troubleshoot your battery:

If calibrating the battery didn't work for you you could try a hard reset of the battery:

Great questions, but two questions edited into one. The screws are T5 Torx security screws. You can get a set of these screwdrivers from any DIY Store or from Amazon. https://www.google.com/search?q=torx+screwdriver+set I have a set like this which has a handle and all the security screw bits. https://www.canadiantire.ca/en/pdp/mastercraft-33-pc-torx-screw-set-0544039p.0544039.html ..

The screws are T5 Torx security screws. You can get a set of these screwdrivers from any DIY Store or from Amazon. https://www.google.com/search?q=torx+screwdriver+set I have a set like this which has a handle and all the security screw bits. https://www.canadiantire.ca/en/pdp/mastercraft-33-pc-torx-screw-set-0544039p.0544039.html ..

To adjust the keyboard backlight on your HP ProBook 4440s, you typically use the "Fn" (function) key in combination with one of the function keys that has a symbol representing the keyboard backlight.

1. Central Pin: In many laptop power supply connectors, especially those using the barrel-type connector, there's a central pin that carries the voltage (typically around 19 volts for most laptops) to power the device.
2. Voltage and Polarity: It's crucial to ensure that the voltage supplied by the power adapter matches the requirements of your laptop. Most laptops operate on 19 volts, but there are exceptions, so always double-check the specifications of your laptop and the power supply.
3. Polarity: Additionally, the polarity of the connector is important. The central pin typically carries positive voltage, while the outer sleeve of the connector is the ground (negative). Reversing polarity can damage your laptop, so make sure the connector is inserted correctly.
4. Safety: Always use the power adapter that came with your laptop or a compatible replacement from a reputable manufacturer. Using an incorrect or incompatible power adapter can not only damage your laptop but also pose safety hazards such as overheating or electrical fires.
5. Replacement: If you need to replace your laptop's power adapter, ensure that the new adapter provides the correct voltage, polarity, and wattage for your laptop model. It's often safer to purchase adapters from the laptop manufacturer or certified third-party suppliers to guarantee compatibility and safety.

This video has some troubleshooting steps you can try:

You can find some steps to try in this video:

Make sure the battery is in. Plug it in to charge the battery Wait 6 hours. Press the On button. Or it is under warranty, contact HP Support. ..

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