Question about Toshiba Satellite A105 Notebook

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I need to replace or repair power supply connector

How do I remove the back of my laptop. I removed all the screws and
and something is still holding the back panel. I am afraid to pull hard on it
so not to break something.

George Hodowanec
gvh1135@sbcglobal.net

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  • gvho Feb 19, 2008

    I could not find solution to my question. Was I not looking in the right place? Please help me to locate the solution to my question.



    George Hodowanec

    gvh1135@sbcglobal.net

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1 Answer

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See my question on your email

Posted on Feb 19, 2008

  • Patrick Michaels
    Patrick Michaels Feb 20, 2008

    this is tricky..what you call the back, may in fact be the bottom.

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2 Answers

Dear Sir/Madam, I bought hp Compaq NC 6220.I need remove the c mos password.I didn't enter the password it'd coming automaticlly administrator passowrd.please tell me the solution. Thank u...


Hi,

HP Compaq NC6220/6230 BIOS password reset procedure:
  1. disconnect the power supply and remove the battery
  2. remove the three screws that hold in the keyboard on the bottom
  3. up top slide the four tabs on the keyboard closest to the screen towards the touch pad
  4. fold the keyboard over (no need to disconnect it from the mainboard)
  5. using a tiny flat head pry up the power button panel along the edge of the screen
  6. bow the power button panel in the middle of the laptop and gently ease one side up
  7. unplug the connector for the power button panel and remove
  8. locate the CMOS battery in the upper right corner, follow the wire to the left and locate the connector at the upper left corner of the dvd drive
  9. remove the two screws located in the immediate vicinity of the CMOS battery connector
  10. detach the CMOS battery connector
  11. have a beer, sip slow and take at least five minutes
  12. DO NOT reconnect the CMOS battery or the laptop battery
  13. connect the power supply and power on
  14. hit F10 to enter setup
  15. if you did it right you should get right into the BIOS setup; change whatever settings you fancy, save and exit
  16. let the laptop finish POST then power off and disconnect the power supply
  17. reassembly is the reverse of above
when you power back on and right before the OS boots you'll get a message about the date and time not being set, this will go away after the first full boot into the OS

All the best

Aug 04, 2011 | HP EliteBook 6930p Notebook PC

2 Answers

I wntt to access the power supply fan on my cq2009f desktop. I can remove one side and the front but it appears that I need to remove the rest of the case and this looks like it is riveted to the chassis....


If you want to remove / replace the fan you will need to completely remove the power supply box from the computer case.

There should be 4 screws on the back panel of the case holding the power supply box in place.

Unplug the computer power cord and monitor cable from the back.

Open the computer case and disconnect all the cables from the power supply to the components and motherboard (be sure to keep track of what goes where).

Hold / support the power supply box inside the case while you remove the four screws from the back so it doesn't fall down and break something on your motherboard.

Once you have the power supply box out of the computer case, you will need to remove the 4 additional screws holding down the power supply box cover. Once the cover is removed you will see and be able to remove the power supply circuit board and the fan if you want.

Good luck and please comment back if this was helpful.

Feb 03, 2011 | Computers & Internet

1 Answer

Hi i have a laptop advent 8109 i need to open it


Remove panel at the back, remove keyboard from prongs at the top, remove HDD, remove screws holding down the laptop, remove heatsink, remove fan, remove ODD connector, lift out motherboard at an angle. Its really something that needs to be shown, but thats the order in which you need to do it. If you can figure out the "in-betweens", you will be on your way to a cheap repair!

Jun 18, 2010 | Advent Netbook

1 Answer

Red light blinking and no response akai LCT2715


The led is blinking due to fault in power supply board.
On the power supply board there are some capacitors and ICs .if any of those gets short or faulty the power supply board will create problems and the red light will start blinking. The components on the board needs to be checked with the help of multimeter and continuity tester.And the faulty components needs to be replaced with the help of soldering iron. the procedure to check the power supply board is as follows:---- 1) You are going to need a Phillips ( X ) Screwdriver for this procedure. The first thing you will want to do is find a suitable location to disassemble the TV. Try to find somewhere with plenty of space to work and preferably somewhere you will not have any hazards such as static (like carpet)
Lay the TV Flat on its face (picture side down) and remove the 4 screws from the back of the TV holding the base on.
Next you will want to process to remove the screws around the back cover. There are 12 screws you will need to remove (refer to picture for locations).
Carefully remove the back panel of the TV. It may snag on the coaxial connector so be careful.
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2) Once you have the back off of the TV you can see the Main board and power supply covers.You will now need to remove the left (right side from the back) speaker cover to allow access to two of the screws holding the Power Supply Cover in place. This is easy and pretty straight forward and has 8 screws around the perimeter.
Once you have the speaker cover off you should be able to access the screws on the side and you will also want to remove the other screws from around the sides of the cover. Some TV's I have worked on only had 6 where others had 7 or 8. Just make sure to remove all of the screws before trying to remove the cover.
Once you have the cover removed you will see the Power supply. Remove the wiring harnesses from the power supply board. You will have 4 cables at the top of the power supply and one main power input at the bottom. The main power input may have some glue securing it in place. Simply cut this with a knife or pull it loose.
Once you have the cables off of the power supply you can remove it from the TV via the screws on the 4 corners. Be careful not to damage anything as you remove these screws. You now have the Power Supply removed from the TV.
you can now get the power supply repaired from any local tv repair technician.or get new replacement power supply from the service center.or from online stores like : www.partstore.com or from www.shopjimmy.com
Thanks. you can rate this solution and show your appreciation.

May 13, 2010 | Akai LCT2715 27 in. LCD Television

2 Answers

Apple xserve g5 power supply got porblem. may need to replacement


this is the link to get a service manual in English. www.scribd.com/doc/103410/xserve
It includes detailed instructions, like use static electricity wrist bands.
1. Shut down the computer. Remove the power cable. 2. Unscrew the two finger screws on the front panel, remove the computer from it's case by pulling forward, and place it on a solid surface. Be careful. It's heavy and hard to handle. DON'T DROP IT. 3. Unscrew the one finger screw holding the Power Supply in place. Lift the power supply out by the metal support near the 14 pin connector to the motherboard. There is a pin in the back panel of the computer, so the back end of the power supply rotates when the end closest to the front lifts. 4. The 14 pin connector is has a lot of friction. I have never gotten it to come up easily, as it is supposed to. I usually use something to GENTLY lift up the metal cover/bracket over the 14 pin connector on the front end. 5. If you are taking this out because you are replacing it, you should read what the manual says about checking the battery, resetting the PMU [AKA "zapping the PRAM"?], and checking for 12 volts of power from pin 1 to pin 8 on the 14 pin connector. 6. This isn't in the manual: To get at the 1 and 8 pins on the 14 pin connector, A. Removed the power supply, as described above. B. Removed the three screws that hold the metal cover/bracket over the 14 pin connector on the front end. C. Removed the cover/bracket to expose the tops of the 14 pins.

Apr 01, 2010 | Apple Xserve G5 Server

1 Answer

37" Just went out one day and can't get it going again.


After taking the screws out and removing the back, you will see a power supply(where master switch and cord connector are). Remove the 4 screws on the aluminum cover plate to gain access to the fuse. Using a voltmeter, with the power on and switch on, measure the voltage on each side of the round fuse located just behind the cord connector. If voltage is 0, fuse is good. If voltage between 115 and 125 V, replace fuse or have fuse replaced. I think it is a 6.3Ah 250V class fuse that is soldered into the board. IF YOU ARE NOT FAMILIAR WITH SOLDERING TECHNIQUES AND PRECAUTIONS, DO NOT ATTEMPT TO DO THIS. IF YOU ARE NOT FULLY AWARE OF ALL SAFETY PRECAUTIONS NECESSARY TO MAKE THIS REPAIR HAVE A QUALIFIED TECHNICIAN DO IT FOR YOU!!!!!!

If a new power supply is needed, contact these people for repair with 1 year warranty.
http://www.power-supply-repair.com/

Feb 11, 2009 | Olevia LT37HVS 37 in. LCD HDTV

3 Answers

Viewsonic vx800


I have repaired several Viewsonic VX800 monitors. The symptoms include a power light that flickers or flashed on and off or a screen that flashes on briefly or stays off. The problem is bad electrolytic capacitors on the power supply board. These bad capacitors do not look bad and do not swell but they do develop a high ESR (Equivalent Series Resistance). You need a ESR meter to check them. But if you have these problems, you should assume the capacitors are bad and just go ahead and replace them.
First you must open the monitor and gain access to the power supply board.
1. Remove the stand: It is held with 6 screws on the back. Also on the back are 2 black screws that must also be removed.
2. Remove the button bar from the front, bottom: It is pried off. This will expose the 2 screws holding the front plastic bezel.
3. Remove the silver plastic bezel from the front: First remove the 2 screws holding it, then you can pry the rest off. This will expose the 2 screws holding the screen to the plastic back.
4. Remove the screen and electronics from the plastic back: Remove the 2 screws holding it. The 2 speakers are glued to the plastic case. Cut the glue with a knife. The screen and electronics and speakers should lift out of the plastic back.
5. Remove the metal cover to expose the electronics: There are 2 screws holding the VGA connector and 2 screws holding the DMI connector. There are 9 screws holding the cover. These must all be removed. There is a black plastic sheet glued to the lower edge of the cover. It must be lifted. The cover should now come off.
6. Replace the bad capacitors. The power supply and signal processor are on the same board. It is marked VG800-2. The bad capacitors are surfaced mounted 100UF 25V. The bad capacitors are CM16, CM17, CM2 and CM165. The two most critical are CM16 and CM17, but they all read high ESR, so I just replace them all as long as I have them exposed.
Reassemble in reverse order.

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Feb 10, 2009 | ViewSonic VG800 18" LCD Monitor

2 Answers

Faulty DC power connector


First pulling a machine apart takes time and careful disassembly - it is easy to snap off fragile plastic panels or rip cables and replacement parts can easily cost as much as paying someone to disassemble it for you. Usually a jack repair is $100-$150 depending on the shop.

Toshiba's are a multilayered setup - You have to remove all the screws from the bottom (note that they are labeled by screw length next to each hole - do NOT put the wrong length in when reassembling!!) Make sure to remove the hard drive and ram cover and check for screws there are well.

After all the screws are out of the bottom, remove the panel above the keyboard. Remove the keyboard and all the screws under the keyboard. Then you can get at the motherboard and power jack.

You will probably have to remove the motherboard to replace the jack - Usually the mounting screws for the motherboard are not so clearly labeled - i mark the holes with a sharpie when pulling a mainboard.

Good luck!

Dec 27, 2007 | Toshiba Satellite P15-S479 Notebook

1 Answer

Vx800 flickers when cold


I have repaired several Viewsonic VX800 monitors. The symptoms include a power light that flickers or flashed on and off or a screen that flashes on briefly or stays off. The problem is bad electrolytic capacitors on the power supply board. These bad capacitors do not look bad and do not swell but they do develop a high ESR (Equivalent Series Resistance). You need a ESR meter to check them. But if you have these problems, you should assume the capacitors are bad and just go ahead and replace them.
First you must open the monitor and gain access to the power supply board.
1. Remove the stand: It is held with 6 screws on the back. Also on the back are 2 black screws that must also be removed.
2. Remove the button bar from the front, bottom: It is pried off. This will expose the 2 screws holding the front plastic bezel.
3. Remove the silver plastic bezel from the front: First remove the 2 screws holding it, then you can pry the rest off. This will expose the 2 screws holding the screen to the plastic back.
4. Remove the screen and electronics from the plastic back: Remove the 2 screws holding it. The 2 speakers are glued to the plastic case. Cut the glue with a knife. The screen and electronics and speakers should lift out of the plastic back.
5. Remove the metal cover to expose the electronics: There are 2 screws holding the VGA connector and 2 screws holding the DMI connector. There are 9 screws holding the cover. These must all be removed. There is a black plastic sheet glued to the lower edge of the cover. It must be lifted. The cover should now come off.
6. Replace the bad capacitors. The power supply and signal processor are on the same board. It is marked VG800-2. The bad capacitors are surfaced mounted 100UF 25V. The bad capacitors are CM16, CM17, CM2 and CM165. The two most critical are CM16 and CM17, but they all read high ESR, so I just replace them all as long as I have them exposed.
Reassemble in reverse order.


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Oct 18, 2007 | ViewSonic VX800 18" Flat Panel LCD Monitor

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