I once had to clear my CMOS memory or my laptop wouldn't boot, due to a
corrupted CMOS. As I recall I had to short across a couple of contacts,
and I found the instructions online.
Mike
On 2021-07-16 5:04 a.m., Kevin Szabo wrote:
I haven't seen a windows update corrupt a bios before, but I imagine
it's in the realm of possibilities. Others likely have more experience
but you may want to pull all your power, unplug your battery, and unplug
the coin cell that keeps the CMOS settings for the BIOS alive. Try to
boot to your BIOS and if you can get in there reset the configuration to
the default (pulling the battery doesn't normally set to default). When
was your laptop manufactured? Cheap Electrolytic caps have a finite
lifetime and if your machine is over 12 years old you may be reaching
it (or capacitor plague)
Good luck
On Fri, Jul 16, 2021 at 4:45 AM dpatte <dpatte [ at ] relativedata [ dot ] com
<mailto:dpatte [ at ] relativedata [ dot ] com>> wrote:
I appologize in advance if this is the wrong forum for this request,
but there seem to be many experts on this list - so here goes...
My laptop, a Lenovo y50-70 black screened yesterday, I presume
during an automated windows update.
It wont boot and I cant even get into the bios to see what's up. On
boot a few leds go on (power, battery) the disk light flickers for a
1.5 seconds then flashes on and off each second. No other response.
Lenovo doesnt seem to have a copy of the bios code I could download
and reflash my bios with.
Any ideas?
I am presuming that the bios is corrupted. Does anyone have
suggestions?
Sent from my Galaxy
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