Instructions for installing DC power jack

Nvidia / Awrdacpi
August 3, 2010 at 12:49:46
Specs: Microsoft Windows XP Professional, 195 mb
i am looking for detailed instructions on how to insatll anew DC power jack in an old compaq presario 1200 XL 111 laptop.
pictues and directions would be real nice maybe even a part number of the jack if possible


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August 3, 2010 at 12:54:08
Did you look on the HP site to see if they have the Maintenance manual for it?
They often do for laptops.

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August 3, 2010 at 13:03:00
They need to be soldered, but one must be careful as it is possible to overheat the mainboard..

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August 3, 2010 at 13:44:52
i tried but couldnt
find it there there was some information but not what i wanted could not even find service manual for it i no its old

find it


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August 3, 2010 at 15:04:21
Maintenance manual for your laptop series:

Two mentions in it of XL111 .

Once it has fully loaded, click once on the floppy icon in the top bar at left to save it to your computer.

That info tells you some about how to take it apart without harming it, even if it doesn't specifically show enough about the DC jack.

If the jack is built into the mboard there will be no part number for it in the manual.

There may be mboard part numbers in it.
If you can find the Compaq part number for the mboard on the mboard, you may be able to find larger pictures of the mboard when you search on the web with that.

Compaq Presario 1200-XL111 Notebook PC (support)

Product Specifications

Description/Comments compaq.Net (PI)
Part Number 176967-xx3

Processor 475 MHz AMD-K6-2 Processor with 3D Now! Technology

Memory 64 MB 100 MHz SyncDRAM, Shared Memory Architecture - 4 MB Dedicated for Video Memory. Expandable to 320 MB
(that's probably supposed to be
Expandable to 32 MB)
CD-ROM Drive 24X Max CD-ROM drive
Hard Drive 5.0 GB hard drive
Modem 56 K PCI
Diskette Drive 3.5 inch 1.44 MB diskette drive
Graphics Trident CyberBlade 3D Graphics with shared 4 MB Video Memory.

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August 3, 2010 at 15:48:48
Usually the DC jack is soldered into the mboard.
It usually has, say, two connections and two solder lugs, that must all be un-soldered before you can remove the jack
In order to avoid damaging the mboard and it's circuit traces at the jack, you need a low wattage soldering iron, say, 25 watts or less, and a solder sucker tool of some sort, to suck away the solder while it's molten .

If you don't have the right tools, I advise you to take out the mboard, and take it to a local laptop repair place and have them replace the jack - that's a frequent repair that they do, and they may already have a suitable replacement jack.

What operating system are you using or going to be with this laptop?

How much ram does it have ?
You state 195 mb in the blue bar of your first post, but it can't have more than 192 mb .

It comes with either 32 mb or 64 mb of ram built in, and has only one ram slot.
The largest module you can install is 128mb, for a total of 160 or 192 mb of ram .


That does not meet the minimum recommended ram requirements for XP ( 256 mb ) .

Plus, you may have only a 5gb hard drive. Installing just XP itself will take up a large chunk of that.

This laptop is better suited to installing 98SE or ME or 2000 on it, no higher.

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August 3, 2010 at 17:39:49
no it ghas windows 98 se on it sorry about that mistake on my posting


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August 3, 2010 at 19:37:43
I'm still using 98SE on one old computer, the one I use the most.
If you would like some info about how to make the internet better on a slower computer, let me know, or PM me.

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August 4, 2010 at 02:32:52
Love to know how.Already have ie 6 on it but still a little slow thou.any help would be apreciated


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August 4, 2010 at 08:01:31
"If you would like some info about how to make the internet better on a slower computer..."

"Love to know how"

Go here:

See Response 8, scroll down, starting at

"Note that the version of Internet Explorer that Win 98 and 98SE comes with (4.x and 5.x respectively) no longer works on the internet properly."

See Response 9

In particular, I find using FlashSwitch with IE 6 SP2 useful, and using Netscape 9 and those two plug ins to be a lot better than using IE 6 SP2.

(Have Flashswitch on when using Netscape 9)

You must still load IE SP2 because it includes a lot of other files other than the ones for the IE browser that are used by other programs including Netscape, and at least some of them help improve performance on the internet in comparison to similar for IE 6. .


Another one.

Get TCPOptimizer here:

Window's default TCP setting are not ideal. They directly affect how well your internet connection works.

If you run this program, you can choose to load Optimal settings for your network adapter, and that will result in your max speed on the internet being better.

It only needs to be run once. The changes it makes will be retained, until you have reloaded Windows from scratch.

Copy it to it's own folder. It makes backup files automatically so that you can set the TCP settings back to the way they were before if you want to, and if TCPOtimizer is in it's own folder, the backups will be right there where they are obvious.

There are many places on the web where you can test your internet speed, to compare the speed you get before and after you change TCP settings.

The max speed varies depending on what it is in between you and the server the test is on, and how busy the server is at the time, but if you use the same test on the same server, within a short time, you get a direct indication of the difference.

E.g. in my case, I go here:

However, you should do something else between the tests for a short time, because otherwise the download on the computer that the test loaded may still be in memory, and in that case you can get a false higher reading for a second test using the same test settings, even with the same TCP settings.

If you're using a DSL or ADSL connection, there is info I could refer you to .

Having a minimum number of programs running in msconfig - Startup helps.
See Response 4 in this:

I haven't used any anti-malware program in 98SE for about 2 years, I have no third party firewall, but I do connect to the internet through a router, which has a "hardware" firewall set to default settings (all routers have that) . I haven't had any problem with malware in that time. The few things that do load in the internet browser do not "stick" - all I have to do is close the browser, or shut down the computer - the crap is not there in the browser or in Windows otherwise after I reboot.

I do have a Spam filter enabled for my ISP's mail server on the web, and I don't open any email attachments that get past that, that look suspicious, in email from someone I don't know.

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