From: SimonJ@eu.invalid   
      
   On 2025-07-16, Carlos E.R. wrote:   
   > Hi,   
   >   
   > I have an old Compaq Presario CQ61-330SS laptop, which I think I bought   
   > around 2010. Battery died, I replaced it, also died eventually.   
   > Currently I only use it to watch movies (it has very good internal   
   > speakers), when exercising on an static bike.   
   >   
   >   
   >   
   > Some months ago, the display went black on boot, but closing the lid and   
   > opening it again made it work. Today it is impossible, it goes dark   
   > instants after opening the lid. I have repeated the operation dozens of   
   > times. It happens before booting and keeps doing it after booting. It   
   > makes the thing totally unusable.   
   >   
   > I just replaced the CMOS battery (it reads 3 volts). On boot, it says   
   > something about replaced battery, needs to reset, but I don't have time   
   > to read what key to press, if any.   
   >   
   > So that battery was not the problem.   
   >   
   >   
   > Installed system is openSUSE, some old version, I don't remember which.   
   > I can not ssh to it, says   
   >   
   > cer@Telcontar:~> ssh root@minas-tirith   
   > Bad server host key: Invalid key length   
   > cer@Telcontar:~>   
   >   
   > It also has Windows.   
   >   
   > But the problem happens before booting, so the operating system is not   
   > involved.   
   >   
   >   
   > What do you think may be going on?   
   >   
   When the CMOS battery is replaced all the options are reset, you would need to   
   enter the BIOS and set them again for your use.   
      
   --   
   Simon   
      
   RLU: 222126   
      
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