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My reverse light is not working and it's not the bulb and there is no power to the wire all the way to under the dash,what can the problem be?

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  • 221 Answers

Probably a blown fuse, Look in your owners manual and find out where the fuse is located for the reverse lights. Locate the fuse under your dash, or under the hood, whichever applies, pull the fuse and take it to the auto parts store to have someone help you find one.

Posted on May 04, 2008

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My Craig tower system is plugged in and I think the cord is still good but the stand by light will not come on as if there is no power and nothing will work


sounds like you need to test your power source. Plug another item into your wall socket like a table lamp and see if it works.
If it does you need to check your power lead.- you will need a test meter or make a basic test kit; A torch bulb, a meter (3 ft length) OF insulated wire, and a dry battery joined so that when you touch two wire ends together, the bulb lights - or take the cable to an electrical shop!.
1st check the fuse in it
2nd check each wire in the cable; test kit to red at each end, then black at each end or whatever colours there are to see if bulb lights.
If all pass, you may have a faulty PC switch or fuse.

Nov 14, 2015 | PC Desktops

Tip

Fix the flashing monitor


If your monitor shows the image for just a second and gets dark, but the image is still there and is visible when you look at the screen under strong light, then your monitor has an illumination problem.
To fix this you will need screw drivers PH2 and a flat one, soldering iron, multimeter and an electronic parts supply shop at a short distance. Also, basic knowledge about electricity and ability to unsolder and solder things are needed. Old working light bulb and it's invertor from a scanner also help a lot.
Take precautions against accidents. Get rid of unnecessary objects, keep family members out of reach, wear rubber gloves.
Open the monitor. You have to remove the stand, some screws on the back and to unlatch very tightly latched plastic latches. With covers down, look for blown capacitors on the power supply board and replace them. Usually they are 1000uF/35V/105C, 470uF/25V/105C. If the problem persist, test the light bulbs connecting one at a time and turning on the monitor. Be careful not to touch any live part of the power board. Look if some of them will not flash. Replace if any. You may have to open the LCD to replace a bulb. Be careful not to break the LCD glass panel and keep parts covered against dust. Before assembly look for dust and other objects on the parts of the LCD. Remove with compressed air. Do not touch with hands, blow with mouth or clean with liquids. All these will make the image look awful.
If the inverter includes ceramic capacitor, replace it. Check the transistors of the inverter. Replace if faulty.

on Aug 07, 2010 | PC Desktops

1 Answer

Connecting lighting correctly


Don't know what you're working with.

AC household electricity?

Common (White) wire goes to all three lights. Goes to silver colored screw.
Hot (Black) wire goes to switch, then all three lights.

ALWAYS put the switch in the hot wire. Not the Common.
Reason?
Let's say you are changing a light bulb.
Your feet are on the floor. You are then considered to be Grounded.

You have the light switch off. You go to remove the light bulb, slip, and a finger goes in the socket.
Result?
You get shocked.

Hot (Black) wire has the switch. This time of you slip, and a finger goes in the light bulb socket; you won't be shocked.
The power is turned off at the switch.

Common wire comes from source. (Service Panel/'Breaker Box'), and goes to the lights.
Hot (Black) wire comes from source, and goes to light switch.
Then to the first light, second light, and third light.

Is there a 3-way switch involved?
Walk in one end of the room, turn the light on, walk to the other end of the room, and turn it off?

Post back in a Comment as to the exact query.

Regards,
joecoolvette

Jan 26, 2013 | PC Desktops

1 Answer

Sony Vaio VGC-RC210G blue panel light LED burned out. Need to know how to change bulb?


Obviously the question was not answered correctly. I don't know how well you are versed into taking things apart, but here we go. First you need to unplug Sony. You need to remove the I/O panel on the bottom of the case after removing the front panel. Remove the on/off switch and remove the two lights adjacent to it. You gently pry apart the tabs on the back of the bulbs and pull the lights out from the back out of retainer. Do the same with the light that is burned out. Carefully cut or break the two cable ties and remove complete wiring harness. You need to remove the side Panel (right side looking from the front). Remove the air tunnel pieces (2 of them), The cable that needs to be unplugged from the motherboard. it is the very first along top edge from the left. It is yellow. Open the 2 tabs that hold all wiring down the front (you will see these just in front of CPU fan and behind front grill. Remove the harness. I do have the number in front of me but you can take the harness to Radio Shack and they can give you the correct one. Cut the old bulb off as close as possible. Solder the new one on and reverse the steps to reinstall. Once harness is plugged back onto motherboard, you can test by plugging power cord in and pushing power button. Make sure none of the wires are touching each other or any metal. Put it all back together and you will have blue light (light is not blue, plastic in front of it is). OR you can just use it without that light as it serves no purpose to be pretty and no one but you will know the difference. By the way I refurbish, repair, etc. nothing but Sony PCs. You also may be able to find a replacement harness but they are scarce. Hope this help. OH, the power supply or motherboard has nothing to do with this bulb working or not. If the other two (power on and hard drive activity) work, the bulb only, is bad.

Jan 07, 2013 | Sony VAIO VGC-RC210G 1GB DDR2 PC2-4200...

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There are two lights right under the turn-on bottom and one has a picture of a battery and the other is a picture of a light bulb and this light bulb is blinking red five times in about 3second intervals.


the blinking bulb is the speed or the utility of the ram memory ....if it is blinking then it means that ur pc is utilising memory of ram....if it blinks faster then its using more memory....

Jul 17, 2009 | HP Compaq d530 PC Desktop

1 Answer

My compaq presario lcd is working but it has no lights


If by lights, you mean the LED lights located around the exterior of the laptop (like the power light, hard drive light, etc.) then you may have accidentally switched those off.

First you need to locate the 'FN' key. On most laptops it's located on the bottom left of the keyboard, under the 'shift' key.

Next you will need to look for a symbol on the keyboard that would represent the LEDs. It's usually a light bulb, and is almost always located on the 'Fx' keys on the top of your keyboard (F1, F2, F3, etc.).

Once you have located the correct key, you need to hold the 'fn' key that we found earlier, and press the 'Fx' key that corresponds to the LED (or light bulb) button.

For example, on a older model Gateway laptop, I will hold the 'FN' key on the bottom left, and press 'F1'.

If by lights you mean the backlighting for the LCD screen, which would make the LCD screen appear very dim, then you will have to have the screen serviced or replaced.

I hope that helps, and if you have any questions, please let me know.

Dec 11, 2008 | PC Desktops

3 Answers

Laptop screen dim


Hi there

HA HA HA , there are no bulbs in laptop screens, is your battery charged, have you changed any power settings.

Boot to safe mode, change power settings reboot.

Thanks

Roger

Nov 13, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

I HAVE A COMPAQ PRESARIO V6000 AND THE CAPS LOCK LIGHT IS NOW NOT WORKING AND WONDERED IF THIS IS A BULB PROBLEM OR WIRING PROBLEM?


You can try attaching an external keyboard using a USB or PS2 slot in your laptop. If the light goes on in the keyboard but not in your laptop, probably it's the bulb of your laptop.

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1 Answer

Motherboard pin config


All motherboards have a print beside the pins, Speaker= "speak", "pwr s" =powerswitch, "HDDled" red light on front, rst = reset switch [not allways used] "pwr led" Green led, the case wires are usualy marked on the plug ends with the same , "hdd" "reset" and so on. The power switch will work both way's around however the led lights wont. You will not hurt anything if they are the wrong way around, they just wont work so if you dont get lights just reverse the polarity. If by chance the case wires do not have labels the just trace them to the case front panel and plug them into the corresponding board pins. Regards mistyman

Aug 28, 2007 | Systemax Ascent PC Desktop

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