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My Notebook - model W7 S series, will not power on after having had the battery charged. The additional slave cooling fan was not placed under the laptop as it was being charged.

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Working on this right now in chat session..

Posted on Mar 20, 2008

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Posted on Jan 02, 2017

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Msi u100 motherboard


The power adapter may be falsely indicating it is charging the battery when, in fact, the battery cannot be charged.

Feb 13, 2014 | Acer Computers & Internet

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New DC jack, powers up but no display. Strange power LED behavior.


No Rob, you aren't running out of options. You just haven't diagnosed far enough, because you don't know the path.........hence where I come in.........

Using the HP Pavilion dv6000 series, and Pavilion dv9000 series of Notebook PC's, as an example,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html

There are two Power MOSFET's being used.
The Fairchild Semiconductor Industries - FDS6679 - Power MOSFET, and the Alpha & Omega Semiconductor LTD - AO4407 Power MOSFET.

Both of these P.MOSFET's are Obsolete. However there are cross reference examples given. Let's look at two of these examples, and also note the cost,

http://www.mouser.com/ProductDetail/Fairchild-Semiconductor/FDS6679AZ/?qs=sGAEpiMZZMshyDBzk1%2fWi1qxDdW%2fXBi2qgMuZEfLVO4%3d
One dollar and one penny - USD

http://www.mouser.com/ProductDetail/Diodes-Inc/DMP3020LSS-13/?qs=%2fha2pyFadujguNNSgppBRqXbOxXLwzGsZm9SWxz1EqWpzoSJOpHpWA%3d%3d
78 cents - USD

Surface mount soldering 101,

http://www.youtube.com/watch?v=3NN7UGWYmBY

For additional questions please post in a Comment.
Regards,
joecoolvette

Apr 22, 2013 | HP Hewlett Packard ALL-IN-ONE-TouchSmart...

3 Answers

Dell precision T3500 unable to initialize fan controller error


Step 1:
b> WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Every computer comes with its own internal cooling system. Dell workstation desktops are no different. Your computer's cooling system consists of a heat sink and cooling fan. The function of the cooling fan is to regulate the temperature of your computer's processor. If the fan stops working your processor will overheat and cause damage to your motherboard. Fortunately, Dell desktops have a built-in alert system that tells you when your fan stops working.

Shut down your desktop computer. Disconnect the power cable from the computer's back panel. Then disconnect any external devices. Rotate the computer so the back panel is facing you. Attach an electrostatic discharge (ESD) strap to your wrist and its wire clip to the outer casing of the computer. Lay the computer tower on its left side. Press on the side panel release buttons situated on the top and bottom panels. Grasp the side panel and rotate it away from the computer until the internal contents of the computer are accessible. Locate the cooling fan duct near the center of the motherboard. Lift the duct off of the cooling fan so it is in the upright position. Disconnect the fan's power cable from the motherboard. Disengage and remove the retaining clips from each side of the cooling fan assembly. Lift the cooling fan out of the motherboard. Set it aside. Check you CPU make sure its securely seated and has thermal grease http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490 Use a clean paper towel to wipe the excess thermal grease from the processor's surface. Apply a thin coat of thermal grease to the processor's surface using a cotton swab. This is important; if you skip this step, your processor will fry as soon as you power on your computer. Place the new cooling fan over the processor. Press down on each retaining clip until the cooling fan snaps into place. Connect the fan's cable to the motherboard. Place the air duct back over the cooling fan assembly. Rotate the side access panel downward over the computer's opening. Press down on the side access panel until it snaps into place. Place the computer vertically, and then reconnect all cables and devices to the computer.

Feb 18, 2013 | Dell Precision T3500 Computer Workstation...

1 Answer

3 beep sound


If a PC suddenly fails to boot properly, you should perform a hard reset as the first action. Performing the hard reset will correct many problems. If the computer still does not start properly, select your symptom from the list below to guide you to the recommended corrective actions.
  1. Disconnect all peripheral devices and remove all USB devices and SD media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
  3. Reconnect the AC power adapter (but do not insert the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a fan or other moving parts turning.
  4. If the computer does not start, the LED lights do not glow, and the display is black, you can perform one or more of the following actions to resolve the no power issue.
    • Verify the computer is receiving power from the AC adapter . Verify that the AC adapter is not damaged and is connected correctly to a working wall outlet plug. Verify AC power is connected to the system board by examining the AC adapter, wiring, and pin connection for damage. The keyboard LEDs will glow when AC power is connected to the system board. Damaged components, like the AC adapter or the pin in the power connector, may require an HP-certified repair.
    • Use a different AC power adapter . If you have access to a different AC adapter or power pack that is designed for the computer, connect it to the notebook and try to start the computer. If you own or have access to more than one notebook, verify that you are using the adapter which belongs to the notebook. CAUTION: Using a power adapter that does not meet the power requirements or has the wrong type of connector may damage the computer. On newer notebook models, connecting the wrong adapter to the notebook may cause the power LED lights to blink but not power the computer.
    • Remove the battery and boot on AC power only . A discharged or defective battery may prevent the AC adapter from supplying enough power to start the computer. To verify that power from the AC adapter is available for PC; remove the battery, connect AC power adapter, and press power button. If available, try using a different AC adapter, that is rated for the PC, and repeat this test.
    • Remove the AC adapter and boot on battery power only . A defective AC adapter may not charge the battery and prevent the computer from booting on battery power only. To verify battery power available for the PC; connect AC power adapter, allow battery to charge for 30 minutes or more, disconnect the power adapter and press power button. If available, try using a fully charged battery, of the same type, from another computer and repeat this test.
      • If LEDS do not glow and the fan or hard drive do not spin, battery may need to be replaced.
      • If tests of both the battery and the AC adapter fail, there may be a problem with system board requiring service by HP.
      • If LEDs glow and PC boots, the AC adapter may need to be replaced.
      • If LEDs glow, but PC does not boot go to LEDs glow, fan is heard, but display is black or blank section.

Nov 21, 2010 | HP Compaq d530c PC Desktop

1 Answer

Have a Gateway NV78 Laptop love it but there are 2 blue lights on lower left corner of the laptop and the one on the right goes to "red" sometimes why? This is "on the case" not the screen/monitor...


Do you have the Gateway NV78 Series User's Reference Guide?
(English)

Gateway Support > NV78 Gateway NV78 Notebook Series > Support Documents,

http://support.gateway.com/s/notebook/2009/gateway/nv/NV78/NV78ul.shtml

If not, left-click on,
Gateway NV78 Series User's Reference Guide - English

This is a PDF file.
Takes a few seconds before you see the first page, and additional time to fully download.
Suggestion is that you let the file fully download, before looking through it.

(Your computer has Adobe Reader on it, which uses PDF files)

Page 18,

Battery Charge Indicator.
(Has a symbol which looks like a flashlight battery)

"LED Solid Red
Battery is malfunctioning
Important: This LED only lights up when your notebook is connected to AC power, (The AC adapter is plugged in. 'Charger'),
or the battery charge is very low"

Jul 03, 2010 | Computers & Internet

2 Answers

Acer Aspire desktop AST135 cooling fan runs fast & slow - noisey


If the computer case, or Processor fan is noisy, it is due to the bearings are bad. The bearings are worn, and this allows the fan hub beneath the fan blades, to rub.

(If you gently rock the fan by lifting up on one side, and there is a perceptible amount of play, the bearings are bad)
Suggest you replace it.

For a case fan, just measure the dimensions of the fan's outside case.
Measure the Height and Length, plus the Width, (Thickness).
Look at the connector on the end of the fan's cable.

Most fan sizes are shown in Millimeters. (mm) If you are not familiar with the metric system, you can go online, and use a free Millimeters to Inches Converter.

Examples:
1) 80mm = 3.14960 inches. Slightly over 3- 1/8th inches
2) 92mm = 3.62204 inches. Slightly under 3- 5/8ths inches
3) 120mm = 4.72440 inches. Slightly under 4- 3/4ths inches
4) 130mm = 5.11811 inches. Slightly under 5- 1/8th inches

See if it is a 2 pin connector, 3 pin connector, or 4 pin connector, on the end of the fan's cable.

(Fans operate on DC electricity. Just like the rest of the computer. DC is a Positive connection, and a Negative connection.

For a connector with 2 pins, that is all that is hooked up. Just power to the fan.

For a connector with 3 pins, the third pin is for the computer, to show what RPM's the fan is spinning at. {Revolutions per Minute}

For a connector with 4 pins, the fourth pin is a sensor connection.
The computer will speed up, or slow down the fan, according to what RPM is needed)

For a Processor fan the connection should be matched also.
When looking for a replacement Processor fan, it is the processor socket that the processor sits in, that you should look for.

You didn't state the full Model Number, such as AST135-US3104, or AST135-US3303, (It's on the back of the computer next to the Windows Product Key)
The two above models have an AMD Sempron processor.

They use a Socket 754.
(AMD Sempron 3100+, and AMD Sempron 3300+.
The AMD Sempron 3000+ that operates at 1.8Ghz, could be a Palermo Core that uses a Socket 754, or the model that uses a Socket 939)

Need help in finding a replacement computer case fan, or Processor fan? State so in an additional comment.

Jan 17, 2010 | Acer (AST135-U-S3100) PC Desktop

2 Answers

Mac will not Start


There's a possibility that heat temperature affected your laptop, kindly check beneath your laptop area if the installed cooling fan (which help regulate heat of the processor) is still in working condition, otherwise I suggest to replace it as well as purchase additional notebook cooling pad to be placed underneath your laptop so as to have enough cooling temperature. regards

May 11, 2009 | Computers & Internet

1 Answer

Would this motherboard fint in


Yes, the board would physically fit in the 5000 series case. In fact, any micro-ATX form factor board would fit. But you will need a new power supply as well. Motherboards used in those computers did not need the 4-pin power cable required on new boards. You should also consider cooling if you are building a high-performance system. The 5000 series case doesn't offer much room for adding cooling fans - only one place on the rear panel. But they are nice cases. I've built several systems in them.

Jan 31, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

Hello Helpers, My Lap Top - Series W7 S was left charging by my husbannd for longer than the 2 hours I suggested to him. Now I cannot get any response when the machine is turned on at the power, nor...


If the fan was not functioning - or blocked - it could have caused the processor to fail but not the drive. Try disconnecting the battery and the ac charger - then reconnect just the charger and try again - that is a hard reset. Is the laptop showing lights or fan noise or is it just completely dead?

Please rate my assistance accordingly.............

Mar 20, 2008 | Computers & Internet

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