# No display or fan running

I have power running to this laptop it was all working 100 percent then the fan cut out carried on working after fixing the problem with the fan but the next day switched on and there was no screeen working and no fan but there is still power running to the c drive and all led lights are working please help

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Check your function keys and see if the function key which turns off the laptop monitor, so that you can use an external monitor, is set. If so, undo the setting and you should have your monitor back.

Posted on Jun 14, 2009

Hi there,
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Posted on Jan 02, 2017

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## Related Questions:

### Of 400 students,180 are girls.what percent are girls

Hi Charles:
"percent" means "per hundred" (times 100).
180 girls
400 students
girls of total..........
180 divided by 400
percent (times 100)
clear
180
divided by
400 display 0.45
X
100
So, 45% are girls
clear
400
X
45%
Display will show 180
Ta Da!

Nov 14, 2015 | Office Equipment & Supplies

### How do I change a percentage to a fraction

Use this http://www.calculatorsoup.com/calculators/math/percent-to-fraction-calculator.php
OR to work it out yourself.....#

### How to convert percent to fraction

1. Divide the percent by 100 to get decimal number.
2. Count the number of digits (d) to the right of the decimal point of the decimal number.Example: 2.56 has 2 digits to the right of the decimal point, so d=2.
3. Calculate the factor (f) for making the decimal number an integer: f = 10 to power d
Example:
f = 10 power 2 = 100
4. Multiply and divide the decimal number x by the factor f: x * f / f = y / f
Example:
2.56 * 100 / 100 = 256 / 100
5. Find the greatest common divisor (gcd) of the fraction. Example:
gcd(256,100) = 4
6. Reduce the fraction by dividing the numerator and denominator by the gcd value: Example:
256 / 100 = (256/4) / (100/4) = 64/25
Example One percent is equal to one hundredth:
1% = 1/100
So in order to convert percent to fraction, divide the percent by 100% and reduce the fraction.
For example 56% is equal to 56/100 with gcd=4 is equal to 14/25:
56% = 56/100 = 14/25

Sep 07, 2014 | Office Equipment & Supplies

### What is easier shortcut to cut 15 percent in a purchase

20% of \$100 is \$20, so a 20% discount would be \$100-\$20 or \$80.

Apr 29, 2014 | Office Equipment & Supplies

### Why my r430 not charging up to 100 percent? only up to 80 percent then stop

Its a feature of the laptop, you use it plugged in more than battery power right? If you go toStart Menu/Programs/Samsung there should be a program called "BatteryLife Extender". Click on it and you can choose to either let it charge to 80 percent or all the way to 100. However, if you use it plugged in mainly then I would recommend leaving it only to 80 percent to avoid possible discharging of the battery from constantly charging. Hope this helps.

May 06, 2012 | Samsung R430 Notebook

### Dell Dimension E510 Wont Boot up. PSU is working 100% CPU is working 100% Ram is working 100% Disconnected all other hardware. No Power On Light. Light on Motherboard is green. Once you plug in the PSU...

Hi
With that scenario i would recommend you check the front panel assembly where the power button is located and also have you tried to reset the CMOS from the motherboard.

Dec 29, 2010 | Dell Dimension E510 PC Desktop

### The fan is making a lot of noise. this has

Is the laptop dirty inside?

If it hasn't been cleaned out regularly, with a can of compressed air for computers, more than likely it is.

Laptops typically have a poor cooling design. For one, everything is crammed into a tiny box.
For two, there is a small duct, (Air Intake Duct), that draws air in.
For three, laptops typically just have 1 small fan.
For four, the Air Intake Duct is located on the bottom of a laptop, or on the side.
This is an excellent (?) area to draw foreign debris in. Another word for foreign debris, would be CRUD.

Hair, Food Crumbs, Lint, Dirt, Dust, and so on.

A laptop's cooling systems primary function is to keep the Processor at a certain temperature. If the processor becomes too HOT, it turns off. (BIOS turns it off)
NO Processor, No computer!

1.The excessive fan noise can be that the fan is spinning at top rate, trying to keep the processor cool. It's having a hard time doing that, because the fan cannot draw enough air in. (Clogged Cooling System with Crud)

2.The excessive fan noise could be that the fan's bearings are bad.

3.The excessive fan noise could be that the Processor is running at 100 percent, (100%), and the fan is running at full speed, in order to keep the processor cool.
Perhaps caused by a virus, or some sort of anti-virus program, or running more than one virus program. (Installed a new anti-virus program lately?)

Aug 04, 2009 | Computers & Internet

### 2 ghz processor running at 220 mhz

Hi,

Have you tried right clicking on the desktop (opening Display Properties), clicking on Screen Saver tab, Clicking the Power button, and setting the power schemes to Home/Office Desk? If its set on laptop it will reduce the processor speed when running on battery. I have noticed that even with it plugged in that some times it will run at half processor speed. Try that out.

Have a great day,
Armymason

Mar 02, 2009 | Dell Inspiron 9300 PC Notebook

### Hp v6630em fails to start when the "on" button is pressed. It is connected to the power supply and the blue lights are illuminated. I can hear a whirring sound for a couple of seconds and...

This sounds like either a fan or CPU/motherboard problem. Either one is going to be expensive to fix, the fan less so than the CPU (\$15-20 vs \$100-\$400).

However, before we assume that the laptop is dead, remove the battery and attempt to boot up just using AC power only. If the problem persists, put the battery back and remove the AC power, and try booting up just on battery. If the problem happens either way, it's the fan or the CPU/motherboard/.

I know this isn't what you wanted to hear, but that's what's happening. A decent local repair technician (not a big mass-repair place like Geek Squad) should be able to replace the fan with labor around \$50 or so. The CPU/motherboard replacement will run at least \$100-\$150 in labor, plus cost of parts.

Obviously, try the fan first. You can pick them up on eBay and that way you won't be charged "extra" for the technician "finding" the fan for you. You should only have to pay them labor costs.

Obviously, if the fan doesn't fix the problem, it's the CPU/motherboard. At that point, I'd cut my losses with the fan (maybe even relist it for sale on eBay) and go buy another laptop. You'll pay \$300-\$500 just to fix it, or you can buy a new one for not much more, with warranty.

Hope this helps you out - I'm here to answer any additional questions you might have :)

Sep 29, 2008 | HP Computers & Internet

### COOLING FAN AND COMPUTER CUTTING OFF

When you say cut off are you meaning that the laptop is shutting down?

The fan is only running intermitently when on battery as the laptop is running in power saving mode
and the speed drops when not needed as well as the cpu voltage
therefore reducing the heat produced and the nedd for the fan to run.

Try using a program called cpu-z and it will show the speed of the cpu going up and down as needed. Also use speedfan to sjow you the cpu tempreture.

Hope this helps and puts your mind to rest ? :)

Dec 29, 2007 | Toshiba Satellite A25-S207 Notebook

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