crwdns2934241:0crwdne2934241:0 Dan A+

crwdns2934249:0crwdne2934249:0:

Those flashes of light are error codes, and they occur in specific patterns to indicate what is broken/needs replacing.  HP's website has a list of error codes, their meaning, and how to fix them. Is your error code on the list?

[link|https://support.hp.com/us-en/document/ish_1997210-1528385-16|HP Desktop PCs - Computer beeps or a light blinks during startup|new_window=true]

crwdns2915684:0crwdne2915684:0:

open