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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

12-12-2019, 03:32 AM
Re: Toshiba satellite L500 won't post?

It was working for a while (maybe a month) but then it stopped again as you said. I tried heating it again but I overdid it
The fan I used was too powerful and I did it for too long.
Anyways, I found a replacement card but not sure which to choose from tehse 2: [URL="https://www.olx.ba/artikal/32865741/amd-ati-mobility-radeon-hd4500-512mb-ddr2-mxm-ii/"]AMD ATI Mobility Radeon HD4500[/URL]

[URL="https://www.olx.ba/artikal/31342025/graficka-kartica-ati-mobility-radeon-za-acer-6920-6930/"]ATI...

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-18-2019, 03:53 PM
Re: Toshiba satellite L500 won't post?

I assembled it together and heated once again the ATI GPU today, wasn't working yesterday. Now it works and I can see even the boot at beginning on the laptop screen, not only the windows boot.
Let's see for how long will it work tho heh
Should I flash the latest BIOS while I can do it from windows?
Thanks again for the help guys.

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 07:37 PM
Re: Toshiba satellite L500 won't post?

Ah sorry, I thought you want the names. I will clean and take few pictures of the whole GPU tomorrow.

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 04:46 PM
Re: Toshiba satellite L500 won't post?

Here they are. Well, I had this laptop for 10 years, first owner hehe
I'm quite impressed it survived till now, it was used daily, the HDD is also still working (for how long more it's questionable but I have SSD as first drive now, HDD not used that often)...

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Last edited by 123XYZ123; 10-17-2019, 04:58 PM.
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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 04:36 PM
Re: Toshiba satellite L500 won't post?

Alright, I go take the pictures. Be back soon.
Yeah, probably it will fail but I will try to see when xD

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 03:45 PM
Re: Toshiba satellite L500 won't post?

I heated up these 2. Has the yellow one anything to do with the integrated graphics? The other one I took it put of the board because it's easier so I don't damage any other things and heated it up for about 4min.
The yellow one about 3min maybe. Any way to heat something back to bring the integrated GPU back? Lol

If needed I will take a magnifying glass to take pictures of the "names"

EDIT: And yeah, the red one should be the dedicated GPU, it's ATI?
Also, could it be that it failed from overheating?...

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Last edited by 123XYZ123; 10-17-2019, 03:48 PM.
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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 03:15 PM
Re: Toshiba satellite L500 won't post?

It's back from the death. I heated the GPUs with a hair dryer, now how long will it last.. Heh
I tested only on the HDMI port for now, I will see if it works on the laptops screen, and does the boot show because it didn't in the past, unless I used HDMI and an external monitor.

Edit: nothing on the laptops screen, only on external monitor. So I suppose the integrated GPU is still dead, laptops screen will probably work once windows starts to boot, like before.
I'm thinking to try and heat up the integrated GPU once...

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Last edited by 123XYZ123; 10-17-2019, 03:25 PM.
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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-17-2019, 04:10 AM
Re: Toshiba satellite L500 won't post?

Alright, then I will probably try to flash the bios tonight. But before doing so I will see if I have a good cmos battery and test with it. I tried to power it up without the cmos, same issue.
Btw, if there is that NEC Tokin cap, where to locate it?
Thanks

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-16-2019, 06:06 PM
Re: Toshiba satellite L500 won't post?

2.8V when soldered. What could I try next, flash the BIOS? But before doing it, can I check is the BIOS chip faulty?
I think I located it on the board, it's a winbond 25q16bvsig 0946, marked U46 on the motherboard.

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Last edited by 123XYZ123; 10-16-2019, 06:39 PM.
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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-16-2019, 04:27 PM
Re: Toshiba satellite L500 won't post?

Alright I will do it tonight probably, thanks guys.
Can it work without the battery? To just remove it completely?

Edit: I took it off and measured the voltage, it has 2.73V

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Last edited by 123XYZ123; 10-16-2019, 04:56 PM.
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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-15-2019, 07:47 PM
Re: Toshiba satellite L500 won't post?

Also, how could I measure CPU VCore? I found the schematics but I'm too big of a noob to figure it out

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123XYZ123 replied to Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-15-2019, 05:58 PM
Re: Toshiba satellite L500 won't post?

Everything was disconnected over the night, except that I don't know where the coin cell battery is?
Thanks

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123XYZ123 started a topic Toshiba satellite L500 won't post?

in Troubleshooting Laptops, Tablets, and Mobile Devices

10-15-2019, 04:37 PM
Toshiba satellite L500 won't post?

Model: Toshiba satellite l500 - 1QW
Motherboard : KSWAA LA-4982P
Rev: 1.0
2009-08-04

A year ago or so (I have a thread of the problem also) my laptop stopped to show what's happening during the boot so the display was blank on laptop, until windows booting starts then the picture. If I would connect it to an external monitor with the HDMI, then I would see the boot too. I left it like that because it didn't bother me that much.

Anyway, coming to the real problem now. Few days ago the laptop failed to wake up from sleep mode and I had to...

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123XYZ123 replied to LG Flatron w1934s only power button flashing every 2 seconds

in Troubleshooting Computer Displays

01-25-2019, 03:37 AM
Re: LG Flatron w1934s only power button flashing every 2 seconds

Alright, thanks a lot.
Currently I'm a little busy but when I have some free time I will take it apart and write every cap down.
I'm from Europe where would be best and not so expensive to order from?
From the sites you mentioned only one ships, Mouser but the shipping costs are more expensive than my monitor lol

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123XYZ123 replied to LG Flatron w1934s only power button flashing every 2 seconds

in Troubleshooting Computer Displays

01-24-2019, 09:07 PM
Re: LG Flatron w1934s only power button flashing every 2 seconds

Thanks a lot for the replies.
If I decide to go for new caps, should I buy exactly the same or should I look for something particularly?
I will probably order from China, so it's gonna take a while

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123XYZ123 replied to Toshiba satellite l500 defect VGA?

in Troubleshooting Laptops, Tablets, and Mobile Devices

01-24-2019, 07:00 AM
Re: Toshiba satellite l500 defect VGA?

Same. But on the external display I can see it.
I tried it without the external display first ofc.

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123XYZ123 replied to LG Flatron w1934s only power button flashing every 2 seconds

in Troubleshooting Computer Displays

01-24-2019, 06:55 AM
Re: LG Flatron w1934s only power button flashing every 2 seconds

Replacing the whole power supply board is not really worth the monitor, its an older one. I don't have a capacitor tester nor the right replacement caps, only 2 of 8 i found but its a question do my replacement ones work either coz I took them from an old PSU. So i will probably have to get myself a caps tester and then see. For now I'm putting it aside.
Thanks for the help....

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Last edited by 123XYZ123; 01-24-2019, 08:14 AM.
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123XYZ123 replied to Toshiba satellite l500 defect VGA?

in Troubleshooting Laptops, Tablets, and Mobile Devices

01-24-2019, 06:42 AM
Re: Toshiba satellite l500 defect VGA?

Maybe a month ago, when I wanted to boot my other windows but couldn't see the boot menu, I have kali linux on it too. Was working perfectly fine before.
I can see the boot menu and select the right system which I want to use while connected to an external display over HDMI as I mentioned.

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123XYZ123 started a topic Toshiba satellite l500 defect VGA?

in Troubleshooting Laptops, Tablets, and Mobile Devices

01-23-2019, 09:42 AM
Toshiba satellite l500 defect VGA?

My toshiba has a black screen until the windows starts loading. So I cant see the booting nor enter the BIOS because I cant see what Im doing.
When I connect it to an external display, in this case my TV through a HDMI cable, it shows everything on the TV, including the booting and BIOS.
However, when I tried to connect my laptop to the TV through the VGA I didn't see anything on the TV, not even when the windows boots.

Can this be fixed and is it worth risking?

Thanks

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123XYZ123 replied to LG Flatron w1934s only power button flashing every 2 seconds

in Troubleshooting Computer Displays

01-21-2019, 03:59 PM
Re: LG Flatron w1934s only power button flashing every 2 seconds

[url]https://www.hardwareinsights.com/repairing-display-lg-flatron-w1934s-sn/3/#Closer-specification-and-repair-itself[/url]

This seems to be the exact same problem as mine, just I'm not sure which exactly capacitor did he replace and did he replace anything else?Re: LG Flatron w1934s only power but...o be the exact

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Toshiba satellite L500 won't post?

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Toshiba satellite l500 defect VGA?

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