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Old 04-05-2018, 07:31 PM   #1
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Default Dell Latitude E6500 screen not working.

Yes, I know, it is a 10-year-old model. But I'm just trying to get by for now.

Anyway I am having an issue here. Well, I recently obtained a Dell Latitude E6500 laptop. When I turned it on I noticed that the screen did not turn on. I put a flashlight up to the screen and there was no image at all. It seemed to be booting; the hard disk was active and the keyboard responded. The hard drive has Linux Mint on it.

I removed the bottom panel to check the display connector, which was normal (I reseated it anyway, still didn't work.)

I'd just like to know what the probable cause for this issue is. I'm assuming a new display might be able to fix the problem, but I'm also guessing that it could be a problem on the board. I'm not sure as I've never dealt with such an issue before.

Input would be appreciated.
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Old 04-05-2018, 07:34 PM   #2
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Default Re: Dell Latitude E6500 screen not working.

It would be advisable for you to search the web. There are many posts and troubleshooting guides to follow before posting. That way people can discard probable causes and help narrow down the issue, instead of running in circles trying to guess what's going on.

What have you tried other than opening it up? If the answer is nothing, search the web and report back with results and outcomes please.
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Old 04-05-2018, 07:36 PM   #3
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Default Re: Dell Latitude E6500 screen not working.

I didn't want to bother with removing the whole display assembly, and I'm not sure what else there is that I can do.
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Old 04-05-2018, 07:38 PM   #4
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Default Re: Dell Latitude E6500 screen not working.

That happens sometimes. That's why Google and DuckDuckGo exist.

Look around the internet and report back, please.
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Old 04-05-2018, 07:44 PM   #5
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Default Re: Dell Latitude E6500 screen not working.

Eh I already looked around Google before, and had trouble but I guess I will do it again.
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Old 04-05-2018, 07:45 PM   #6
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Default Re: Dell Latitude E6500 screen not working.

All right. If you searched, tell us what you tried and what happened. If you have trouble understanding something, post it here and we can give you a hand.
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Old 04-05-2018, 07:52 PM   #7
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Default Re: Dell Latitude E6500 screen not working.

I will report back in a couple days.
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Old 04-05-2018, 08:38 PM   #8
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Default Re: Dell Latitude E6500 screen not working.

Did you try an external display to make sure that the board is actually putting out video? Swapping out a display in a Dell is usually not too bad.
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Old 04-05-2018, 08:39 PM   #9
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Default Re: Dell Latitude E6500 screen not working.

That's a good idea. You should try that.
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Old 04-06-2018, 05:25 AM   #10
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Default Re: Dell Latitude E6500 screen not working.

Unfortunately displays are not just displays. There is a backlight which you do appear to have tested. If the backlight has gone you can usually see a very faint picture and shing a light, which you did, shouls enable you to see the picture a little more clearly. Then you have the screen itself. These two items, generally, come expensively separately. Then is the backl light inverter although this will give the same symptoms as a broken back light. Then, of course, there is the mother board and graphics that actually drives the screen. One of the other causes of no display is RAM. Specifically badly seated RAM modules. It might be an idea to remove the RAM modules and reseat them.
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Old 04-06-2018, 09:18 AM   #11
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Default Re: Dell Latitude E6500 screen not working.

I'm with trotter, let us know if it outputs display to an external display.
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Old 04-07-2018, 12:05 AM   #12
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Default Re: Dell Latitude E6500 screen not working.

Did a little bit of testing. Swapped out the RAM modules with some other ones and the computer would not turn on at all (caps light flashed on the board.) Put the original RAM back in. Turned the computer on and connected an external monitor. As it would turn out, I cannot get a picture on the external monitor using the VGA port, no matter how many times I push the "external display" function button. (There is a DP port as well but I don't have the equipment to test that.)

Edit: I did notice it was rather warm where the graphics chip is located, after being on for a few minutes.
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Old 04-07-2018, 02:15 PM   #13
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Default Re: Dell Latitude E6500 screen not working.

So what have you tried so far? It's important that you try as many things as you can, because without error messages or melted components it's very hard to troubleshoot a computer, especially with thousands of miles of land in between.
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Old 04-11-2018, 10:42 PM   #14
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Default Re: Dell Latitude E6500 screen not working.

Quote:
Originally Posted by AMD_man View Post
So what have you tried so far? It's important that you try as many things as you can, because without error messages or melted components it's very hard to troubleshoot a computer, especially with thousands of miles of land in between.
So far I have tried the following:
  • Using a different power adapter.
  • Tried original RAM, 2GB PC2- 6400, 3GB PC2-5300 (two different batches of the latter, one of which received an unfamiliar POST error: caps lock light flashing then solid)
  • It is worth noting that one of the original RAM modules on its own did not let the computer POST
  • Reseating the display connector
  • Removing the battery
  • Turning up the display brightness, toggling auto-brightness (nothing happens)
  • Pressing the "external display" function key combination with an external VGA monitor connected (monitor confirmed working, but there is no display output from the computer)
  • Removing the hard disk and optical drive
  • Let the computer boot and idle for 10 minutes

I still have not gotten the display to work on this machine.
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Old 04-11-2018, 10:59 PM   #15
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Default Re: Dell Latitude E6500 screen not working.

Shame. It seems you have tried everything you could possibly try. If you recently purchased you should try getting a refund or some kind of compensation, because it sounds it's just bad hardware.
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Old 04-11-2018, 11:18 PM   #16
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Default Re: Dell Latitude E6500 screen not working.

Quote:
Originally Posted by AMD_man View Post
Shame. It seems you have tried everything you could possibly try. If you recently purchased you should try getting a refund or some kind of compensation, because it sounds it's just bad hardware.
Yes, I was trying to see if I could fix it for a friend. It sucks that it just quit working. Looks like it was already tagged before from a secondhand computer shop for $200.

To be fairly honest I hate servicing laptops (who doesn't?). But I appreciate that you tell me this so I'm not setting myself up to just throw away 50 bucks for a new screen. There is a chance I may be able to test the DisplayPort as a last resort.
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Old 04-11-2018, 11:34 PM   #17
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Default Re: Dell Latitude E6500 screen not working.

If it's only the display that doesn't work, which from your previous post it sounds like it is, and external monitors don't work either then it's probably the graphics processor, and not the display itself, which makes it worse, because the display is relatively easy to replace.

Getting a refund is your best shot.

Just to double check, the computer is booting fine? You could maybe find a video of someone powering it on (the same model or similar), observe how it should behave and compare it to what's happening with your computer. If you notice something odd you may find that the problem is somewhere else.

Either way I'd try to get a replacement or the money back.
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Old 04-17-2018, 10:03 PM   #18
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Default Re: Dell Latitude E6500 screen not working.

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Originally Posted by AMD_man View Post
If it's only the display that doesn't work, which from your previous post it sounds like it is, and external monitors don't work either then it's probably the graphics processor, and not the display itself, which makes it worse, because the display is relatively easy to replace.

Getting a refund is your best shot.

Just to double check, the computer is booting fine? You could maybe find a video of someone powering it on (the same model or similar), observe how it should behave and compare it to what's happening with your computer. If you notice something odd you may find that the problem is somewhere else.

Either way I'd try to get a replacement or the money back.
There is hard drive activity and BIOS beeps, so it seems as though the computer is functioning as normal. But as I stated previously the computer is not my own, I was trying to see if I could fix it for a friend of mine. From the hard drive contents, it appears to have been used for gaming.
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Old 04-17-2018, 10:16 PM   #19
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Default Re: Dell Latitude E6500 screen not working.

And do the beeps indicate some sort of error?

https://www.dell.com/support/home/us...-e6500/manuals

https://www.parts-people.com/blog/20...ic-indicators/ (Different model but the codes may be the same)
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Old 04-17-2018, 11:56 PM   #20
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Default Re: Dell Latitude E6500 screen not working.

It's the same beeps as when you change the amount of RAM or reset the clock battery or something, that I get sometimes about minute after turning the computer on, and continues to boot whenever I press F1, but who knows.
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