Question about Acer AL2021M (Silver) 20" LCD Monitor

Monitor flickers and then goes blank

I had a problem with my al2021 20" monitor - after 2 years from manufacture date (i'd bought it a bit later), it started flickering and then wouldn't show any picture at all. Just before the end of their 3 year warranty I sent it back - DHL arrived the next day and several months later they'd replaced the power unit and it worked - but now it's happening again - exactly the same problem - first the flickering and now no picture at all! I called them again only to discover that their repair warranty is only 3 months... Unfortunately for me, the monitor stopped working 5 months after they'd repaired it... they told me it would be cheaper to buy a new one! so i will - but never another Acer product - steer clear of Acer! their technical support put the phone down on me twice - and i wasn't swearing or ranting - just made my despair and dissatisfaction clear to them in a polite way! They didn't volunteer their names and refused to pass me on to any kind of management, then wouldn't give me their surnames. I can't really blame the technical support people for working for such a dodgy setup that sells unreliable products! But I will do my best to warn everyone against ever buying Acer! 3 months seems rather a short time for a repair warranty - I don't suppose there is anything more I can do... Do spread the word if you have any sympathy with me - I paid good money and expected better reliability - especially after they'd fixed it once already!" Very Dissatisfied Ziggy Folkmanis

7 more comments
zig zag Jun 19, 2007

thanks for that - last time they replaced the "power unit" - this time it looks like exactly the same problem but it's going to cost me too much to either send it back (only 3 month repair warranty!) or to buy a new power unit from them (part number 55L06ve002 at £55.58 including VAT + shipping). And what are the chances of the same thing failing for a third time...)
zig zag Jun 19, 2007

either way it's going to cost me too much - their parts are not cheap and nor is their out-of-warranty repair! their support told me that 3 years is a lot to expect from a monitor - but he's obviously speaking for Acer products - I have an 8-year old Apple TFT monitor here with no faults at all! Anyway - is an inverter the same as a power unit?
zig zag Jun 19, 2007

incidentally - all the lights stay on - in other words - it "thinks" it's on but shows no picture.
zig zag Jun 21, 2007

what really angered me was how many times it was said "unfortunately" with a tinge of schadenfreude.

time to look at the googlemap!

thing is - the wretched rig went down on me about a year into the warranty - i had it set aside untill i can deal with a******s again... shouldn't have provaricated, huh? well, better late than never, if you know what i mean. the damage has been done - yeah?
zig zag Jun 21, 2007

what would you do? you crazy americans probably would use a pair of durandals...
Anonymous Dec 05, 2008

i sold it on ebay for around £12 pounds - the guy who bought it said he'd fixed it by replacing two diodes (if i remember correctly) at the cost of 40 pence each... it was too long ago to remember any other details
johnnybuggy Jan 19, 2009

this problem appeared on my AL2021 just few time after purchasing, though only after switched on longer than 1 hour. after this time, when monitor becomes hot, if i switch'em off and immediately switch on - it refuses to show picture. then i have to wait few minutes to make monitor cool and switch it on again successfully.

but today it refuses to switch on even when it is cold. dammit!
jabez40 Mar 01, 2009

jabez40......al2021 monitor switches on when cold, but dies as soon as it warms up.... the old cathode ray tubes did not have this problem, but the new flat screens are a disaster.. I have seen at least half a dozen at the dump recently... so much for "modern' tech....and the thing is they dont even pretend its not design obsolescent..
Brian Edmundson May 11, 2010

I have an AL2021 with a main circuit board problem - any chance of doing a deal for your spare parts?

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I had exactly this problem.
I fixed my AL2021 by replacing the output caps on the power board. $4 repair. Pull the thing apart (I posted somewhere on fixya how to do it, but it's simple) and replace the 1000uF, 680uF and 470uF caps on the end of the power board.

Posted on Jan 17, 2011

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3,130 Answers

Most likely you have a bad inverter, or bad connections on the inverter board. Send the monitor back to them and tell them to repair it right. Good Luck

Posted on Jun 19, 2007