Hp nl40 microserver critical error? - HotUKDeals
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Hp nl40 microserver critical error?

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Hello, A few weeks ago I had to force shut down my hp microserver. Now when I turn it on the power button stays orange, and the hp logo is red.looked this up and it is a 'critical error'. Disconnec…
lidds Avatar
2y, 5m agoPosted 2 years, 5 months ago
Hello,

A few weeks ago I had to force shut down my hp microserver. Now when I turn it on the power button stays orange, and the hp logo is red.looked this up and it is a 'critical error'. Disconnected power left for a while then reconnected and hooked it up to my tv with the VGA cable. Still doing the same with no output. Tried removing the hdd to see if that makes any difference but still get the same.

Anyone got any advice or is it best to just buy a new one ? Thanks
lidds Avatar
2y, 5m agoPosted 2 years, 5 months ago
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Responses/page:
#1
Have you pulled the battery and reset the bios ?
#2
kester76
Have you pulled the battery and reset the bios ?


Hi I havnt no. will give that a go tomorrow thanks
#3
lidds
kester76
Have you pulled the battery and reset the bios ?


Hi I havnt no. will give that a go tomorrow thanks


do you need to have a working video connection to reset the bios or is it done manually (will have a search now but if you have any experience that would be great)
#4
It should be in the manual but it's normally just shorting out a jumper. What you're doing is resetting the bios settings to default. Other things I would look into doing is pulling all the drives, checking connections. What cards if any do you have in the pcie slots ? It should boot then. If not it could be a psu issue.
#5
kester76
It should be in the manual but it's normally just shorting out a jumper. What you're doing is resetting the bios settings to default. Other things I would look into doing is pulling all the drives, checking connections. What cards if any do you have in the pcie slots ? It should boot then. If not it could be a psu issue.

Thats great thank you, will give it a go tonight. Only changes I have made since i got it was adding two new hard drives. tried booting it with them removed but still get nothing. hoping I can find a fix as most places have moved onto the 8th Gen now which are about £300+
#6
Without a video output, the only way to reset the BIOS is to remove the battery, which involves removing the system board.
P54 in here http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c02473845-10.pdf
Can you find an old low profile video card, in case it's just the VGA that's gone?
#7
http://h30499.www3.hp.com/t5/ProLiant-Servers-Netservers/Microserver-N40L-No-Boot-Or-Video/td-p/5767509#.VDJ6CPh0yUk
Follow link and download manual
Page 87 item 17 J19 Clear CMOS Jumper
It's at the front of the board so you shouldn't need to pull it. If you do remove the board take photos of where every cable goes and how they're seated. It's easy to forget how the cables are grouped in the N40l
#8
Hi guys,

Thank you so much for the help. I had the case off last night and the cables are a bit bunched together, so will make sure pictures are taken!

@ar460rn I don't no. I'm pinning all my hopes on a CMOS/ BIOS update haha. If it doens twork i will see if I can pick one up cheap to test.

Thanks
#9
Try re-seating the RAM just in-case its the memory that's at fault. BIOS Reflash/reset is one other option.
The fact you had to 'force-reset' is also a good indicator.

Failing that, look around ebay for a diagnostic card
Like This One
#10
Well removed and replaced the ram. Reset the bios with the switch, and removed / replaced the battery but still doing the same :(
#11
probably your best bet is to remove the main board and check it over for any damage. reconnect all cables and try again. after that if its still dead then try a different psu as it could be a rail down.
#12
kester76
probably your best bet is to remove the main board and check it over for any damage. reconnect all cables and try again. after that if its still dead then try a different psu as it could be a rail down.


had a good look when I checked the ram all cables were removed (some are a right pain!!) and replaced.

will see how much I can pick a PSU up for thanks
#13
http://chrisstark.co/2013/08/hp-microserver-n36-replacement-power-supply-psu/

this is an old post so there are probably other options but its a start.
n36 n40 and n54 are the same except for the cpus

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