screen says: www.hp.com/go/techcenter/startup

[mcabe]

hi

Problem........ (screen says the system has detected that a cooling fan is not operating correctly.  System fan (90B) )

I tried F2 and F10 during start-up

on both occasions  nothing appeared on screen

however a shrill alarm sounded

I Immediately switched off on both occasions

please advise

kind regards

                         macabe

[Thando]

When I start my Hp Presario CQ57 reads "Bios application error(501)."What can I do to make my laptop work again.Thanks

[npw05001]

Hello mcabe,

I see that you are having problems with a fan error when you start your computer. I have some suggestions that may help with this issue.

Here is a link to some troubleshooting steps for the error youa re receiving. Follow the steps in the link and let me know what happens.

[npw05001]

Hello Thando,

I see that you are having a start up problem with your HP computer. I would like to help with this issue but I need some information.

Can you provide the full model and product number of the computer? Here is a link that shows how to find that information.

[Thando]

Hi,my laptop is Hp Compaq Presario CQ57-447si.Product no. A9B02EA#ACQ Serial no {Personal Information Removed}.When I start up it shows Bios error(501) and also writes "no bootable device".I have done memory test bt it did not help.Thanks

[npw05001]

Thanks for the information,

Here is a link to some troubleshooting steps for the BIOS error. Follow the steps in the link and let me know what happens.

Here is a link for some troubleshooting steps for the no boot device error.

[Thando]

I tried all the advice there about my problem still the computer wont work

[Leto47]

I get "#10008 - replace hard disc 1. Smart check ask for back up data, already done. What now?

[npw05001]

Thando,

Can you access the BIOS of the computer? To access the BIOS you should tap the "F10" key on start up.  If you can access the BIOS I would suggest restoring the BIOS default settings.

[npw05001]

Hello Leto47,

I see that you are having start up problems with your computer. With the error message you provided it would suggest that you need to replace your hard drive.

Have you replaced the hard drive?