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Error Code 5300:1028 during the LCD ALS Sensor Test Diagnostics on Studio 15
Synopsis: I recently (less than a month ago) purchased a Studio 15 and ran the Diagnostics available from F12 on boot. I consistently get Error Code 5300:1028 during the “LCD ALS Sensor Test” and "Msg: BIOS – get inverter type interface function failed". I'm hoping someone with a Studio 15 will run the same diagnostics and let me know if they get the same error.
Details: I ran the Diagnostics available from F12 on boot, the Extended Diagnostics, and the Custom Diagnostics as part of checking out the new machine. When I got the error code I called Dell Technical Support. The technician initially said it was probably my hard drive or memory. I pointed out those tests ran clean. When I emphasized the test that failed was in the LCD section the agent said I had a problem with my external monitor. I pointed out that I hadn't connected an external monitor yet, and the agent said I would probably have a problem when I do, and suggested I ship the laptop back to Dell for testing. Since then I have connected an external monitor. I have not noticed any problem with the laptop display or the external monitor. In trying to research this error I'm assuming that "ALS" refers to an Ambient Light Sensor. I don't think my laptop even has an Ambient Light Sensor. I've contacted Dell since to question whether this error is occurring because the laptop doesn't have an Ambient Light Sensor, but all I get in response is the laptop has to be returned to Dell to answer the question. I feel like I'm getting script responses as opposed to thinking or help. I would think that the Diagnostics would sense the absence of an ALS and skip the test or that the Diagnostics loaded on my Studio 15 would not have an ALS test if the laptop does not have an ALS, so I'm puzzled at the result.
Request: Would someone with a Studio 15 please run the Custom Diagnostics and let me know what you get on the LCD ALS Sensor Test? You can run just the LCD tests without the other tests to save time.
Thanks
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Solutions (0)
I've made no significant progress. You're the only other one with a Studio 15 that I've heard from who ran the diagnostics. I was hoping a number of people with Studio 15s run their diagnostics as a matter of maintenance.
HELP: If someone runs the diagnostics on a Studio 15 would you please let us know what happens on the LCD ALS Sensor Test?
By the way, my Studio 15 has none of the other symptoms you mention. The sound is clean (not loud, but not lower than I expect) from the speakers. The DVD drive and fan don't interfere with listening to a movie. The eject button is well behaved. I don't have a finger print reader, so I can't comment on that. And my screen is plently bright. I also haven't seen any symptoms that I would associate with the LCD ALS Sensor error reported by the diagnostics.
If I hear from someone on the diagnostics outside of this forum I'll post what I learn.
Good luck with yours.
simonscowl
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Posted January 19th, 2009 13:00
hi thanks for getting back. my system is to be repaired so it's going in for checks etc. it'll be away for 5-8 working days. i've told them all the issues i've got so if they mention lcd als sensor i'll let you know. glad you've no other issues, hopefully mine will come all fixed.
only problem i have now is they are going to wipe everything and reinstall windows, they say i'll have to install all drivers again. rather this wasn't required but appears to be needed. shame on a new machine.
thanks again
Rick,
There's been no new information from Dell on this error message.
Everyone who has run the diagnostics and let me know the results has encountered the same error.
I believe it is an error with the diagnostics.
Thanks for letting me know what you got.
Stephen
Hi All,
I think that 5300:1028 error is repported when diagnostics is testing inverter in LED LCD Panel.
Led panels has no inverter, so it causes the error.
Let me know if it occures with diagnostics on CCFL display panel.
...oh and excuse my english ;)
Bartosz
Bartosz,
Interesting conjecture, I have the WLED display and the error, which is consistent with your thinking.
As you say, we need to hear from someone with the CCFL display.
HELP: Anyone have a Studio 15 or 17 with the CCFL display that is willing to run the diagnostics?
Thanks,
Stephen
I will test this issue with CCFL panel and post the results later.
However as a Dell tech support employe I have no info about this error with CCFL
Bartosz
Results: no problem on Studio 1735 with CCFL panel! ALS is located on inverter board so diagnostics reports its error in LED panels with no inverter.

simonscowl
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Posted January 18th, 2009 13:00
hi, i wonder if you got any further with this error. i also have this exact error with my studio 1537 rec'd last week on 13jan. i have various problems with crackles and low sound in the audio, dvd drive makes loud noises all through playing a dvd, eject media button staying on, fan always running and loud, undetected fingerprint reader and numerous other issues since out of the box.
this is a replacement studio 15 as i've had problems before but i did think this one has a less bright screen looked a bit grey even but with troubleshooting all the other probs i thought i'd check it later. while i was running diagnostics on other things this error came up and i've no idea what it means. if you got any further could you let me know.
thanks