Question about HP (158800-001) for Compaq Presario 1246, 1247, 1277, 1279 Cooling Fan

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Compaq presario 1246 d.c. socket

Can any one help me, the d.c adapter pin at the rear of my laptop is faulty. when you open the cd. drive you can clearly see the edge of the mother-board and the loose socket. i would like to repair it myself does any one havethe knowledge to help me complete this task. Kindest regards, Mike.

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Hi this is not an easy job and the work would need a step by step live chat to do, I dont know if you could get a tech such as myself to live chat for about two and a half hours. My best solution for you is that you look on Ebay in the computer section, there is often advertised computer ebooks, some especialy for laptops. I do not know how good these books are but it may be a way for you to solve the problem you have. Just make sure that as you dismantle you laptop you write down where every piece and every screw goes or you will end up with a lot of leftovers. Regards mistyman

Posted on Aug 15, 2007

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Posted on Jan 02, 2017

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HP Compaq 6730S laptop i scompletely dead. Any Help?


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.

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1 Answer

How do i repair my compaq laptop it those no turn on


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.

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Compaq prserio cq41 cannot start


If your laptop works fine while plugged in but stops working while unplugged it's likely that either your laptop battery is bad or your laptop is not charging the battery properly.

Below are steps that can be taken to help identify the cause of this issue.

Leave power plugged in


Make sure the computer has been charging from the power plug for at least two hours before attempting to unplug it.


Remove and reconnect battery


In some situations the battery can become loose.
Removing it and then put it back into the laptop.

Third-party utility


Use a third-party battery utility to determine the total capacity of the battery. For example, BatteryCare is a free software utility capable of doing this.


Replace battery or AC adapter

If your computer is still in warranty we suggest skipping to the next step.


If the above steps have been completed, we suggest replacing the battery in the computer or AC adapter.

In most situations it's a bad battery.

check all power and data leads from motherboard to hard drive and all of your cd/dvd drives make sure connections are secure dust free and not faulty

computers need all power and data to travel through every working device and to finish its cycle
so any faulty lead will end in computer error or shutdown or fail to boot

make sure your computers RAM modules are securely seated with no dust in the sockets also the Cmos battery has charge and seated with no dust in the sockets

some motherboards cmos batteries are soldered in

hope this helps

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Bios password recovery....


If it's a "desktop" computer (not a "laptop") computer, open the case, and look for three gold pins in a row, with a jumper between pins #1 and #2.
With the computer turned off, move the jumper to connect pins #2 and #3. After a few seconds, return the jumper to its original position.
You have now "cleared" all the BIOS settings, including removing the BIOS password.

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How do I install a new CD drive in an old destop computer It is an old Compaq Presario 5WV254 The existing CD drive has a ribbon type connector that mates up to the pins on the drive plus a 4 pin module...


The Compaq Presario SWV254 Desktop PC uses IDE technology, not SATA.
In the specifications for the above Desktop PC, it states ATAPI is used for the interface technology, and connector, for the optical drive/s.

[IDE is also referred to as PATA. Parallel ATA
SATA is Serial ATA.
The PATA designation was implemented, so that computer users could easily distinct between IDE, and SATA technology]

1) The IDE interface cable, (Flat ribbon cable), has a connector on each end with 40 socket holes.
(39 are actually used. Most of the time, one socket hole is blocked off. (Pin 32)

2) The SATA interface cable has 7 contact pins. Also referred to as a Data cable.

3) The IDE devices, (Harddrive and optical drive), use a 4-pin Molex connector for the power cable.

4) The SATA devices use a 15-pin connector on the end of the power cable.

More info on SATA,

http://en.wikipedia.org/wiki/SATA

The Samsung SH223C optical drive is a SATA device.
You cannot just plug it in.

IF, you have an open, (Available), PCI slot on the motherboard, you can use a SATA adapter card.
The SATA adapter card plugs into the PCI slot, and has the necessary connections on the card, for a SATA interface cable.

(NOTE*
Just for the SATA interface cable. Does not have a connection for the SATA power cable, you need.

You have to buy a 4-pin Molex to SATA power cable adapter, and connect it to an available 4-pin Molex power cable, on your power supply.

You will also need a SATA data cable. The interface cable that goes from the SATA adapter card, to the SATA optical drive you're trying to install)

This is an example of a SATA adapter card. It is not an advertisement for said website, nor manufacturer,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1281807&CatId=1455

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2 Answers

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OK! I'LL PLAY ALONG?

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This can be repaired, but requires the laptop to be completely
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1 Answer

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Compaq presario 158793-001 motherboard


Hey Mike

Go back and check the fine cabling that connects LED indicaters to motherborad. There's got to be a small cable you forgot to plug into the board to feed back poer state. Take your time and check everything twice.

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